{"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":"206.53.137.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/206.53.137.0-206.53.137.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2015-01-08)"},"current_holder":{"rir":"ARIN","org":"DE-CIX North America Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":28158,"date":"2022-05-25T18:48:01Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Richmond Virginia Internet Exchange","recipient_org":"DE-CIX North America Inc.","range":"206.53.137.0/24","log":"ARIN"}],"events":[{"event_id":"02c8b1ae1527a3f3","registry":"ARIN","report_date":"2022-05-25","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"206.53.137.0/24","start":"206.53.137.0","end":"206.53.137.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Richmond Virginia Internet Exchange","recipient_organization":"DE-CIX North America Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","page":"https://rirtracker.com/ip/206.53.137.0-206.53.137.255/#e-02c8b1ae1527a3f3","report_page":"https://rirtracker.com/arin/reports/2022-05-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/206.53.137.0-206.53.137.255.json","observed":"Merger/acquisition: Richmond Virginia Internet Exchange (ARIN) to DE-CIX North America Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Richmond Virginia Internet Exchange (ARIN) to DE-CIX North America Inc. (ARIN) on 2022-05-25 18:48 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 2022-05-25 18:48 UTC, Richmond Virginia Internet Exchange (ARIN) to DE-CIX North America Inc. (ARIN); resources moved: 206.53.137.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220524.gz","retrieved_at":"2026-10-12T23:01:55+00:00","summary":"ARIN delegated statistics 2022-05-24 (produced 2022-05-24T13:00:13+00:00), before the report: allocated (dated 2015-01-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220526.gz","retrieved_at":"2026-10-12T23:02:00+00:00","summary":"ARIN delegated statistics 2022-05-26 (produced 2022-05-26T13:00:13+00:00), after the report: allocated (dated 2015-01-08)"}]},{"event_id":"99f392970c81610e","registry":"ARIN","report_date":"2022-05-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"206.53.137.0/24","start":"206.53.137.0","end":"206.53.137.255","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":"2026-10-14T00:09:17+00:00","page":"https://rirtracker.com/ip/206.53.137.0-206.53.137.255/#e-99f392970c81610e","report_page":"https://rirtracker.com/arin/reports/2022-05-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/206.53.137.0-206.53.137.255.json","observed":"206.53.137.0/24 allocated on 2022-05-09, reserved on 2022-05-10","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":"2022-07-08","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 allocated (dated 2015-01-08) on 2022-05-08 and reserved on 2022-05-10. 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 2022-07-08. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220510.gz","retrieved_at":"2026-10-12T23:01:13+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 206.53.137.0/24 allocated on 2022-05-09, reserved on 2022-05-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220508.gz","retrieved_at":"2026-10-12T23:01:08+00:00","summary":"ARIN delegated statistics 2022-05-08 (produced 2022-05-08T13:00:11+00:00), before the report: allocated (dated 2015-01-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220510.gz","retrieved_at":"2026-10-12T23:01:13+00:00","summary":"ARIN delegated statistics 2022-05-10 (produced 2022-05-10T13:00:10+00:00), after the report: reserved"}]},{"event_id":"b417436ca38a8bbe","registry":"ARIN","report_date":"2015-01-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 206.53.137.0-206.53.137.255","resource_type":"ipv4","resource":"206.53.137.0/24","start":"206.53.137.0","end":"206.53.137.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","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":"2026-10-13T23:51:18+00:00","page":"https://rirtracker.com/ip/206.53.137.0-206.53.137.255/#e-b417436ca38a8bbe","report_page":"https://rirtracker.com/arin/reports/2015-01-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/206.53.137.0-206.53.137.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-01-07 and assigned (dated 2015-01-08) on 2015-01-09. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-January/002220.html","retrieved_at":"2026-10-12T18:38:39+00:00","summary":"ARIN-Issued report for 2015-01-08: \"Add 206.53.137.0-206.53.137.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150107.gz","retrieved_at":"2026-10-12T20:46:29+00:00","summary":"ARIN delegated statistics 2015-01-07 (produced 2015-01-07T06:03:53+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150109.gz","retrieved_at":"2026-10-12T20:46:36+00:00","summary":"ARIN delegated statistics 2015-01-09 (produced 2015-01-09T06:04:10+00:00), after the report: assigned (dated 2015-01-08)"}]}],"classification_history":{"02c8b1ae1527a3f3":[{"raw_change_id":565747,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Richmond Virginia Internet Exchange (ARIN) to DE-CIX North America Inc. (ARIN) on 2022-05-25 18:48 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."}],"99f392970c81610e":[{"raw_change_id":427723,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:51:18+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 allocated (dated 2015-01-08) on 2022-05-08 and reserved on 2022-05-10. 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 2022-07-08. This does not confirm availability."},{"raw_change_id":427723,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:33+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 allocated (dated 2015-01-08) on 2022-05-08 and reserved on 2022-05-10. 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 2022-07-08. This does not confirm availability."},{"raw_change_id":427723,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:28+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 allocated (dated 2015-01-08) on 2022-05-08 and reserved on 2022-05-10. 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 2022-07-08. This does not confirm availability."},{"raw_change_id":427723,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:09:17+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 allocated (dated 2015-01-08) on 2022-05-08 and reserved on 2022-05-10. 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 2022-07-08. This does not confirm availability."}],"b417436ca38a8bbe":[{"raw_change_id":135319,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:28:38+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-01-07 and assigned (dated 2015-01-08) on 2015-01-09. The tracker saw this range released from hold on 2015-01-05 (206.53.137.0-206.53.143.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":135319,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:38+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-01-07 and assigned (dated 2015-01-08) on 2015-01-09. The tracker saw this range released from hold on 2015-01-05 (206.53.137.0-206.53.143.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":135319,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:15+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-01-07 and assigned (dated 2015-01-08) on 2015-01-09. The tracker saw this range released from hold on 2015-01-05 (206.53.137.0-206.53.143.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":135319,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:18+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-01-07 and assigned (dated 2015-01-08) on 2015-01-09. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2015-01-08)"}}