{"classifier_version":"1.4.0","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by ARIN, the RIPE NCC, APNIC, LACNIC, AFRINIC, the Number Resource Organization (NRO), or any other Regional Internet Registry. Classifications and hold-expiration dates are evidence-based interpretations and do not constitute confirmation that a resource is available for issuance or transfer.","resource":"138.120.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/138.120.0.0-138.120.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2015-05-08)"},"current_holder":{"rir":"RIPE NCC","org":"Microsoft Limited","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":113241,"date":"2025-06-02T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Microsoft Limited","range":"138.120.0.0/16","log":"RIPE NCC"},{"id":40512,"date":"2025-06-02T13:42:43Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Nokia of America Corporation","recipient_org":"Microsoft Limited","range":"138.120.0.0/16","log":"ARIN"},{"id":24743,"date":"2021-05-27T14:13:35Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Alcatel-Lucent","recipient_org":"Nokia of America Corporation","range":"138.120.0.0/16","log":"ARIN"}],"events":[{"event_id":"efec2a8641ae9a06","registry":"ARIN","report_date":"2025-06-02","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"138.120.0.0/16","start":"138.120.0.0","end":"138.120.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Nokia of America Corporation","recipient_organization":"Microsoft Limited","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:20+00:00","page":"https://rirtracker.com/ip/138.120.0.0-138.120.255.255/#e-efec2a8641ae9a06","report_page":"https://rirtracker.com/arin/reports/2025-06-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/138.120.0.0-138.120.255.255.json","observed":"138.120.0.0/16 allocated on 2025-06-02, not listed on 2025-06-03","same_transfer_as":"f0c5a228e18bb0f2","explanation":"ARIN's transfer log records a transfer from Nokia of America Corporation (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 13:42 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250603.gz","retrieved_at":"2026-10-13T00:01:03+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 138.120.0.0/16 allocated on 2025-06-02, not listed on 2025-06-03"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2025-06-02 13:42 UTC, Nokia of America Corporation (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 138.120.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250601.gz","retrieved_at":"2026-10-13T00:00:58+00:00","summary":"ARIN delegated statistics 2025-06-01 (produced 2025-06-01T13:01:11+00:00), before the report: allocated (dated 2015-05-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250603.gz","retrieved_at":"2026-10-13T00:01:03+00:00","summary":"ARIN delegated statistics 2025-06-03 (produced 2025-06-03T13:01:13+00:00), after the report: not listed"}]},{"event_id":"f0c5a228e18bb0f2","registry":"RIPE NCC","report_date":"2025-06-02","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"138.120.0.0/16","start":"138.120.0.0","end":"138.120.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Microsoft Limited","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:28+00:00","page":"https://rirtracker.com/ip/138.120.0.0-138.120.255.255/#e-f0c5a228e18bb0f2","report_page":"https://rirtracker.com/ripe/reports/2025-06-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/138.120.0.0-138.120.255.255.json","observed":"Transfer: (no name) (ARIN) to Microsoft Limited (RIPE NCC)","same_transfer_as":"efec2a8641ae9a06","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2025-06-02 19:00 UTC, (no name) (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 138.120.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250601.bz2","retrieved_at":"2026-10-13T01:00:39+00:00","summary":"RIPE NCC delegated statistics 2025-06-01 (produced 2025-06-01T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250602.bz2","retrieved_at":"2026-10-13T01:00:42+00:00","summary":"RIPE NCC delegated statistics 2025-06-02 (produced 2025-06-02T21:59:59+00:00), after the change: allocated (dated 2015-05-08)"}]},{"event_id":"49a4ae315f360916","registry":"ARIN","report_date":"2021-05-27","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"138.120.0.0/16","start":"138.120.0.0","end":"138.120.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Alcatel-Lucent","recipient_organization":"Nokia of America Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:56+00:00","page":"https://rirtracker.com/ip/138.120.0.0-138.120.255.255/#e-49a4ae315f360916","report_page":"https://rirtracker.com/arin/reports/2021-05-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/138.120.0.0-138.120.255.255.json","observed":"Merger/acquisition: Alcatel-Lucent (ARIN) to Nokia of America Corporation (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Alcatel-Lucent (ARIN) to Nokia of America Corporation (ARIN) on 2021-05-27 14:13 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2021-05-27 14:13 UTC, Alcatel-Lucent (ARIN) to Nokia of America Corporation (ARIN); resources moved: 138.120.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210526.gz","retrieved_at":"2026-10-12T22:43:20+00:00","summary":"ARIN delegated statistics 2021-05-26 (produced 2021-05-26T14:00:13+00:00), before the report: assigned (dated 2015-05-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210528.gz","retrieved_at":"2026-10-12T22:43:24+00:00","summary":"ARIN delegated statistics 2021-05-28 (produced 2021-05-28T14:00:12+00:00), after the report: assigned (dated 2015-05-08)"}]},{"event_id":"ebfcacf432935b82","registry":"ARIN","report_date":"2015-05-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 138.120.0.0-138.120.255.255","resource_type":"ipv4","resource":"138.120.0.0/16","start":"138.120.0.0","end":"138.120.255.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:23+00:00","page":"https://rirtracker.com/ip/138.120.0.0-138.120.255.255/#e-ebfcacf432935b82","report_page":"https://rirtracker.com/arin/reports/2015-05-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/138.120.0.0-138.120.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. The tracker saw this range released from hold on 2014-01-29 (138.120.0.0-138.120.255.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-May/002339.html","retrieved_at":"2026-10-12T18:38:47+00:00","summary":"ARIN-Issued report for 2015-05-08: \"Add 138.120.0.0-138.120.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150507.gz","retrieved_at":"2026-10-12T20:52:14+00:00","summary":"ARIN delegated statistics 2015-05-07 (produced 2015-05-07T05:04:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150509.gz","retrieved_at":"2026-10-12T20:52:19+00:00","summary":"ARIN delegated statistics 2015-05-09 (produced 2015-05-09T05:05:37+00:00), after the report: assigned (dated 2015-05-08)"}]},{"event_id":"ec8b7b7d94dcae82","registry":"ARIN","report_date":"2015-05-08","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 138.120.0.0-138.120.255.255","resource_type":"ipv4","resource":"138.120.0.0/16","start":"138.120.0.0","end":"138.120.255.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:23+00:00","page":"https://rirtracker.com/ip/138.120.0.0-138.120.255.255/#e-ec8b7b7d94dcae82","report_page":"https://rirtracker.com/arin/reports/2015-05-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/138.120.0.0-138.120.255.255.json","explanation":"ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. ARIN removed its own pool record for this range as part of issuing it: the same report adds 138.120.0.0-138.120.255.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-May/002339.html","retrieved_at":"2026-10-12T18:38:47+00:00","summary":"ARIN-Issued report for 2015-05-08: \"Remove 138.120.0.0-138.120.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150507.gz","retrieved_at":"2026-10-12T20:52:14+00:00","summary":"ARIN delegated statistics 2015-05-07 (produced 2015-05-07T05:04:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150509.gz","retrieved_at":"2026-10-12T20:52:19+00:00","summary":"ARIN delegated statistics 2015-05-09 (produced 2015-05-09T05:05:37+00:00), after the report: assigned (dated 2015-05-08)"}]},{"event_id":"54d7896c3a22b9ea","registry":"ARIN","report_date":"2014-01-29","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 138.120.0.0-138.120.255.255","resource_type":"ipv4","resource":"138.120.0.0/16","start":"138.120.0.0","end":"138.120.255.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (ARIN lists it as 'available')","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"ARIN's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:10+00:00","page":"https://rirtracker.com/ip/138.120.0.0-138.120.255.255/#e-54d7896c3a22b9ea","report_page":"https://rirtracker.com/arin/reports/2014-01-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/138.120.0.0-138.120.255.255.json","explanation":"ARIN's statistics show it reserved on 2014-01-28 and available on 2014-01-30. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2013-10-30, 91 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-January/001877.html","retrieved_at":"2026-10-12T18:38:13+00:00","summary":"ARIN-Issued report for 2014-01-29: \"Remove 138.120.0.0-138.120.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140128.gz","retrieved_at":"2026-10-12T20:11:10+00:00","summary":"ARIN delegated statistics 2014-01-28 (produced 2014-01-28T06:06:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140130.gz","retrieved_at":"2026-10-12T20:11:15+00:00","summary":"ARIN delegated statistics 2014-01-30 (produced 2014-01-30T06:06:10+00:00), after the report: available"}]},{"event_id":"b241fef97467bc50","registry":"ARIN","report_date":"2013-10-30","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"138.120.0.0/16","start":"138.120.0.0","end":"138.120.255.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:33+00:00","page":"https://rirtracker.com/ip/138.120.0.0-138.120.255.255/#e-b241fef97467bc50","report_page":"https://rirtracker.com/arin/reports/2013-10-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/138.120.0.0-138.120.255.255.json","observed":"138.120.0.0/16 assigned on 2013-10-30, reserved on 2013-10-31","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2013-12-29","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1990-05-14) on 2013-10-29 and reserved on 2013-10-31. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2013-12-29. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131031.gz","retrieved_at":"2026-10-12T20:06:51+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 138.120.0.0/16 assigned on 2013-10-30, reserved on 2013-10-31"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131029.gz","retrieved_at":"2026-10-12T20:06:46+00:00","summary":"ARIN delegated statistics 2013-10-29 (produced 2013-10-29T05:06:33+00:00), before the report: assigned (dated 1990-05-14)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131031.gz","retrieved_at":"2026-10-12T20:06:51+00:00","summary":"ARIN delegated statistics 2013-10-31 (produced 2013-10-31T05:06:33+00:00), after the report: reserved"}]}],"classification_history":{"efec2a8641ae9a06":[{"raw_change_id":481432,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T06:15:37+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nokia of America Corporation (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 13:42 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":481432,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nokia of America Corporation (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 13:42 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":481432,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:56+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nokia of America Corporation (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 13:42 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":481432,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:20+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Nokia of America Corporation (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 13:42 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"f0c5a228e18bb0f2":[{"raw_change_id":114010,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:08:49+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":114010,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:01+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":114010,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:32+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":114010,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:28+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2025-06-02 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"49a4ae315f360916":[{"raw_change_id":563352,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:56+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Alcatel-Lucent (ARIN) to Nokia of America Corporation (ARIN) on 2021-05-27 14:13 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}],"ebfcacf432935b82":[{"raw_change_id":137378,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:31:03+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. The tracker saw this range released from hold on 2014-01-29 (138.120.0.0-138.120.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137378,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:42+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. The tracker saw this range released from hold on 2014-01-29 (138.120.0.0-138.120.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137378,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:19+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. The tracker saw this range released from hold on 2014-01-29 (138.120.0.0-138.120.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137378,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:23+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. The tracker saw this range released from hold on 2014-01-29 (138.120.0.0-138.120.255.255), so it appears to have been issued again from ARIN's pool."}],"ec8b7b7d94dcae82":[{"raw_change_id":137364,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:31:02+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. ARIN removed its own pool record for this range as part of issuing it: the same report adds 138.120.0.0-138.120.255.255. The issuance is explained on that line."},{"raw_change_id":137364,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:42+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. ARIN removed its own pool record for this range as part of issuing it: the same report adds 138.120.0.0-138.120.255.255. The issuance is explained on that line."},{"raw_change_id":137364,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:19+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. ARIN removed its own pool record for this range as part of issuing it: the same report adds 138.120.0.0-138.120.255.255. The issuance is explained on that line."},{"raw_change_id":137364,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:23+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2015-05-07 and assigned (dated 2015-05-08) on 2015-05-09. ARIN removed its own pool record for this range as part of issuing it: the same report adds 138.120.0.0-138.120.255.255. The issuance is explained on that line."}],"54d7896c3a22b9ea":[{"raw_change_id":131328,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:23:26+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2014-01-28 and available on 2014-01-30. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2013-10-30, 91 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":131328,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:32+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2014-01-28 and available on 2014-01-30. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2013-10-30, 91 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":131328,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:08+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2014-01-28 and available on 2014-01-30. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2013-10-30, 91 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":131328,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:10+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2014-01-28 and available on 2014-01-30. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2013-10-30, 91 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."}],"b241fef97467bc50":[{"raw_change_id":265072,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:38:30+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1990-05-14) on 2013-10-29 and reserved on 2013-10-31. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2013-12-29. This does not confirm availability."},{"raw_change_id":265072,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:33+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1990-05-14) on 2013-10-29 and reserved on 2013-10-31. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2013-12-29. This does not confirm availability."},{"raw_change_id":265072,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:46+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1990-05-14) on 2013-10-29 and reserved on 2013-10-31. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2013-12-29. This does not confirm availability."},{"raw_change_id":265072,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:33+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1990-05-14) on 2013-10-29 and reserved on 2013-10-31. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2013-12-29. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}