{"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":"45.45.128.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/45.45.128.0-45.45.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (50 records, dated 2021-07-07 to 2026-07-31)"},"current_holder":{"rir":"ARIN","org":"OppoBox","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":44959,"date":"2026-07-31T16:59:04Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AE Hosting","recipient_org":"Mission Inbox Inc.","range":"45.45.156.0/24","log":"ARIN"},{"id":42351,"date":"2025-12-22T15:13:11Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"korzo Inc.","recipient_org":"Partos Inc.","range":"45.45.252.0/22","log":"ARIN"},{"id":38058,"date":"2024-12-16T19:31:51Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Accedian Networks Inc.","recipient_org":"CISCO SYSTEMS, INC.","range":"45.45.157.0/24","log":"ARIN"},{"id":29924,"date":"2022-12-15T19:50:27Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"RG Fiber, LLC","recipient_org":"Clearwave Communications","range":"45.45.188.0/22","log":"ARIN"},{"id":25969,"date":"2021-11-02T21:26:23Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Kuhl AirNET, Inc","recipient_org":"CS Technologies","range":"45.45.180.0/22","log":"ARIN"},{"id":11295,"date":"2017-11-03T18:21:05Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Contina","recipient_org":"OppoBox","range":"45.45.128.0/17","log":"ARIN"}],"events":[{"event_id":"b2be271229769121","registry":"ARIN","report_date":"2021-07-07","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 45.45.128.0-45.45.255.255","resource_type":"ipv4","resource":"45.45.128.0/17","start":"45.45.128.0","end":"45.45.255.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:53:10+00:00","page":"https://rirtracker.com/ip/45.45.128.0-45.45.255.255/#e-b2be271229769121","report_page":"https://rirtracker.com/arin/reports/2021-07-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.45.128.0-45.45.255.255.json","explanation":"ARIN's statistics show it reserved on 2021-07-06 and allocated (dated 2021-07-07), available, reserved on 2021-07-08. ARIN removed its own pool record for this range as part of issuing it: the same report adds 45.45.137.0-45.45.137.255, 45.45.140.0-45.45.143.255, 45.45.148.0-45.45.148.255, 45.45.160.0-45.45.163.255. The issuance is explained on those lines. Another change to this range was reported the day before or after (2021-07-08: Add 45.45.164.0-45.45.167.255; 2021-07-08: Add 45.45.168.0-45.45.169.255; 2021-07-08: Add 45.45.170.0-45.45.170.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2021-July/004590.html","retrieved_at":"2026-10-12T18:41:23+00:00","summary":"ARIN-Issued report for 2021-07-07: \"Remove 45.45.128.0-45.45.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210706.gz","retrieved_at":"2026-10-12T22:45:23+00:00","summary":"ARIN delegated statistics 2021-07-06 (produced 2021-07-06T14:00:14+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210708.gz","retrieved_at":"2026-10-12T22:45:28+00:00","summary":"ARIN delegated statistics 2021-07-08 (produced 2021-07-08T14:00:13+00:00), after the report: allocated (dated 2021-07-07), available, reserved"}]},{"event_id":"d03d397f9b49aa7d","registry":"ARIN","report_date":"2019-05-06","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"45.45.128.0/17","start":"45.45.128.0","end":"45.45.255.255","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":"2026-10-14T00:05:30+00:00","page":"https://rirtracker.com/ip/45.45.128.0-45.45.255.255/#e-d03d397f9b49aa7d","report_page":"https://rirtracker.com/arin/reports/2019-05-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.45.128.0-45.45.255.255.json","observed":"45.45.128.0/17 allocated on 2019-05-06, reserved on 2019-05-07","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":"2019-07-05","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 2015-02-19) on 2019-05-05 and reserved on 2019-05-07. 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 2019-07-05. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190507.gz","retrieved_at":"2026-10-12T22:04:35+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 45.45.128.0/17 allocated on 2019-05-06, reserved on 2019-05-07"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190505.gz","retrieved_at":"2026-10-12T22:04:30+00:00","summary":"ARIN delegated statistics 2019-05-05 (produced 2019-05-05T05:00:11+00:00), before the report: allocated (dated 2015-02-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190507.gz","retrieved_at":"2026-10-12T22:04:35+00:00","summary":"ARIN delegated statistics 2019-05-07 (produced 2019-05-07T05:00:13+00:00), after the report: reserved"}]},{"event_id":"2ce3e83e29b83f68","registry":"ARIN","report_date":"2017-11-03","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"45.45.128.0/17","start":"45.45.128.0","end":"45.45.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Contina","recipient_organization":"OppoBox","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","page":"https://rirtracker.com/ip/45.45.128.0-45.45.255.255/#e-2ce3e83e29b83f68","report_page":"https://rirtracker.com/arin/reports/2017-11-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.45.128.0-45.45.255.255.json","observed":"Merger/acquisition: Contina (ARIN) to OppoBox (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Contina (ARIN) to OppoBox (ARIN) on 2017-11-03 18:21 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 2017-11-03 18:21 UTC, Contina (ARIN) to OppoBox (ARIN); resources moved: 45.45.128.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171102.gz","retrieved_at":"2026-10-12T21:36:45+00:00","summary":"ARIN delegated statistics 2017-11-02 (produced 2017-11-02T05:09:50+00:00), before the report: allocated (dated 2015-02-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171104.gz","retrieved_at":"2026-10-12T21:36:50+00:00","summary":"ARIN delegated statistics 2017-11-04 (produced 2017-11-04T05:11:19+00:00), after the report: allocated (dated 2015-02-19)"}]},{"event_id":"6223a6153e2f769a","registry":"ARIN","report_date":"2017-07-11","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"45.45.128.0/17","start":"45.45.128.0","end":"45.45.255.255","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":"2026-10-14T00:03:15+00:00","page":"https://rirtracker.com/ip/45.45.128.0-45.45.255.255/#e-6223a6153e2f769a","report_page":"https://rirtracker.com/arin/reports/2017-07-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.45.128.0-45.45.255.255.json","observed":"45.45.128.0/17 allocated on 2017-07-11, reserved on 2017-07-12","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":"2017-09-09","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 2015-02-19) on 2017-07-10 and reserved on 2017-07-12. 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 2017-09-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170712.gz","retrieved_at":"2026-10-12T21:31:04+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 45.45.128.0/17 allocated on 2017-07-11, reserved on 2017-07-12"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170710.gz","retrieved_at":"2026-10-12T21:30:59+00:00","summary":"ARIN delegated statistics 2017-07-10 (produced 2017-07-10T05:09:07+00:00), before the report: allocated (dated 2015-02-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170712.gz","retrieved_at":"2026-10-12T21:31:04+00:00","summary":"ARIN delegated statistics 2017-07-12 (produced 2017-07-12T05:09:42+00:00), after the report: reserved"}]},{"event_id":"87be0423b738ec53","registry":"ARIN","report_date":"2015-02-19","source":"arin_issued","raw_action":"ADD","raw_line":"Add 45.45.128.0-45.45.255.255","resource_type":"ipv4","resource":"45.45.128.0/17","start":"45.45.128.0","end":"45.45.255.255","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":"2026-10-13T23:51:19+00:00","page":"https://rirtracker.com/ip/45.45.128.0-45.45.255.255/#e-87be0423b738ec53","report_page":"https://rirtracker.com/arin/reports/2015-02-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.45.128.0-45.45.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2015-02-18 and allocated (dated 2015-02-19) on 2015-02-20. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), 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-February/002262.html","retrieved_at":"2026-10-12T18:38:41+00:00","summary":"ARIN-Issued report for 2015-02-19: \"Add 45.45.128.0-45.45.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150218.gz","retrieved_at":"2026-10-12T20:48:24+00:00","summary":"ARIN delegated statistics 2015-02-18 (produced 2015-02-18T06:05:27+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150220.gz","retrieved_at":"2026-10-12T20:48:35+00:00","summary":"ARIN delegated statistics 2015-02-20 (produced 2015-02-20T06:05:08+00:00), after the report: allocated (dated 2015-02-19)"}]}],"classification_history":{"b2be271229769121":[{"raw_change_id":171973,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:52:54+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2021-07-06 and allocated (dated 2021-07-07), available, reserved on 2021-07-08. ARIN removed its own pool record for this range as part of issuing it: the same report adds 45.45.137.0-45.45.137.255, 45.45.140.0-45.45.143.255, 45.45.148.0-45.45.148.255, 45.45.160.0-45.45.163.255. The issuance is explained on those lines. Another change to this range was reported the day before or after (2021-07-08: Add 45.45.164.0-45.45.167.255; 2021-07-08: Add 45.45.168.0-45.45.169.255; 2021-07-08: Add 45.45.170.0-45.45.170.255), so the before-and-after statistics may include it."},{"raw_change_id":171973,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:03+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2021-07-06 and allocated (dated 2021-07-07), available, reserved on 2021-07-08. ARIN removed its own pool record for this range as part of issuing it: the same report adds 45.45.137.0-45.45.137.255, 45.45.140.0-45.45.143.255, 45.45.148.0-45.45.148.255, 45.45.160.0-45.45.163.255. The issuance is explained on those lines. Another change to this range was reported the day before or after (2021-07-08: Add 45.45.164.0-45.45.167.255; 2021-07-08: Add 45.45.168.0-45.45.169.255; 2021-07-08: Add 45.45.170.0-45.45.170.255), so the before-and-after statistics may include it."},{"raw_change_id":171973,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:50+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2021-07-06 and allocated (dated 2021-07-07), available, reserved on 2021-07-08. ARIN removed its own pool record for this range as part of issuing it: the same report adds 45.45.137.0-45.45.137.255, 45.45.140.0-45.45.143.255, 45.45.148.0-45.45.148.255, 45.45.160.0-45.45.163.255. The issuance is explained on those lines. Another change to this range was reported the day before or after (2021-07-08: Add 45.45.164.0-45.45.167.255; 2021-07-08: Add 45.45.168.0-45.45.169.255; 2021-07-08: Add 45.45.170.0-45.45.170.255), so the before-and-after statistics may include it."},{"raw_change_id":171973,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:10+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2021-07-06 and allocated (dated 2021-07-07), available, reserved on 2021-07-08. ARIN removed its own pool record for this range as part of issuing it: the same report adds 45.45.137.0-45.45.137.255, 45.45.140.0-45.45.143.255, 45.45.148.0-45.45.148.255, 45.45.160.0-45.45.163.255. The issuance is explained on those lines. Another change to this range was reported the day before or after (2021-07-08: Add 45.45.164.0-45.45.167.255; 2021-07-08: Add 45.45.168.0-45.45.169.255; 2021-07-08: Add 45.45.170.0-45.45.170.255), so the before-and-after statistics may include it."}],"d03d397f9b49aa7d":[{"raw_change_id":373008,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:29:38+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 2015-02-19) on 2019-05-05 and reserved on 2019-05-07. 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 2019-07-05. This does not confirm availability."},{"raw_change_id":373008,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:26+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 2015-02-19) on 2019-05-05 and reserved on 2019-05-07. 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 2019-07-05. This does not confirm availability."},{"raw_change_id":373008,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:07+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 2015-02-19) on 2019-05-05 and reserved on 2019-05-07. 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 2019-07-05. This does not confirm availability."},{"raw_change_id":373008,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:30+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 2015-02-19) on 2019-05-05 and reserved on 2019-05-07. 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 2019-07-05. This does not confirm availability."}],"2ce3e83e29b83f68":[{"raw_change_id":553325,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Contina (ARIN) to OppoBox (ARIN) on 2017-11-03 18:21 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."}],"6223a6153e2f769a":[{"raw_change_id":337773,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:13:33+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 2015-02-19) on 2017-07-10 and reserved on 2017-07-12. 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 2017-09-09. This does not confirm availability."},{"raw_change_id":337773,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:35+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 2015-02-19) on 2017-07-10 and reserved on 2017-07-12. 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 2017-09-09. This does not confirm availability."},{"raw_change_id":337773,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:06+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 2015-02-19) on 2017-07-10 and reserved on 2017-07-12. 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 2017-09-09. This does not confirm availability."},{"raw_change_id":337773,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:15+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 2015-02-19) on 2017-07-10 and reserved on 2017-07-12. 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 2017-09-09. This does not confirm availability."}],"87be0423b738ec53":[{"raw_change_id":135945,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:29:22+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-02-18 and allocated (dated 2015-02-19) on 2015-02-20. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":135945,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:39+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-02-18 and allocated (dated 2015-02-19) on 2015-02-20. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":135945,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:16+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-02-18 and allocated (dated 2015-02-19) on 2015-02-20. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":135945,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:19+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-02-18 and allocated (dated 2015-02-19) on 2015-02-20. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool."}]},"arin_statistics_now":{"status":"allocated (50 records, dated 2021-07-07 to 2026-07-31)"}}