{"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":"172.85.120.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/172.85.120.0-172.85.123.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2015-05-19)"},"current_holder":{"rir":"ARIN","org":"Liberty Cablevision of Puerto Rico","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":15540,"date":"2018-10-11T17:41:08Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Liberty Cablevision of Puerto Rico LTD","recipient_org":"Liberty Cablevision of Puerto Rico","range":"172.85.120.0/22","log":"ARIN"}],"events":[{"event_id":"8fd3a2e18661fce1","registry":"ARIN","report_date":"2023-04-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"172.85.120.0/22","start":"172.85.120.0","end":"172.85.123.255","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":"2026-10-14T00:10:31+00:00","page":"https://rirtracker.com/ip/172.85.120.0-172.85.123.255/#e-8fd3a2e18661fce1","report_page":"https://rirtracker.com/arin/reports/2023-04-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.85.120.0-172.85.123.255.json","observed":"172.85.120.0/22 allocated on 2023-04-10, reserved on 2023-04-11","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":"2023-06-09","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 2015-05-19) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230411.gz","retrieved_at":"2026-10-12T23:18:52+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 172.85.120.0/22 allocated on 2023-04-10, reserved on 2023-04-11"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230409.gz","retrieved_at":"2026-10-12T23:18:47+00:00","summary":"ARIN delegated statistics 2023-04-09 (produced 2023-04-09T13:00:11+00:00), before the report: allocated (dated 2015-05-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230411.gz","retrieved_at":"2026-10-12T23:18:52+00:00","summary":"ARIN delegated statistics 2023-04-11 (produced 2023-04-11T13:00:11+00:00), after the report: reserved"}]},{"event_id":"8c91d637fbdf5c63","registry":"ARIN","report_date":"2018-10-11","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"172.85.120.0/22","start":"172.85.120.0","end":"172.85.123.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Liberty Cablevision of Puerto Rico LTD","recipient_organization":"Liberty Cablevision of Puerto Rico","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:40+00:00","page":"https://rirtracker.com/ip/172.85.120.0-172.85.123.255/#e-8c91d637fbdf5c63","report_page":"https://rirtracker.com/arin/reports/2018-10-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.85.120.0-172.85.123.255.json","observed":"Merger/acquisition: Liberty Cablevision of Puerto Rico LTD (ARIN) to Liberty Cablevision of Puerto Rico (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Liberty Cablevision of Puerto Rico LTD (ARIN) to Liberty Cablevision of Puerto Rico (ARIN) on 2018-10-11 17:41 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 2018-10-11 17:41 UTC, Liberty Cablevision of Puerto Rico LTD (ARIN) to Liberty Cablevision of Puerto Rico (ARIN); resources moved: 172.85.120.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181010.gz","retrieved_at":"2026-10-12T21:53:47+00:00","summary":"ARIN delegated statistics 2018-10-10 (produced 2018-10-10T05:00:17+00:00), before the report: allocated (dated 2015-05-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181012.gz","retrieved_at":"2026-10-12T21:54:00+00:00","summary":"ARIN delegated statistics 2018-10-12 (produced 2018-10-12T05:00:15+00:00), after the report: allocated (dated 2015-05-19)"}]},{"event_id":"3054cf4d161a0042","registry":"ARIN","report_date":"2015-05-19","source":"arin_issued","raw_action":"ADD","raw_line":"Add 172.85.120.0-172.85.123.255","resource_type":"ipv4","resource":"172.85.120.0/22","start":"172.85.120.0","end":"172.85.123.255","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":"2026-10-13T23:51:23+00:00","page":"https://rirtracker.com/ip/172.85.120.0-172.85.123.255/#e-3054cf4d161a0042","report_page":"https://rirtracker.com/arin/reports/2015-05-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.85.120.0-172.85.123.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2015-05-18 and allocated (dated 2015-05-19) on 2015-05-20. 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-May/002350.html","retrieved_at":"2026-10-12T18:38:47+00:00","summary":"ARIN-Issued report for 2015-05-19: \"Add 172.85.120.0-172.85.123.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150518.gz","retrieved_at":"2026-10-12T20:52:48+00:00","summary":"ARIN delegated statistics 2015-05-18 (produced 2015-05-18T05:05:34+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150520.gz","retrieved_at":"2026-10-12T20:52:53+00:00","summary":"ARIN delegated statistics 2015-05-20 (produced 2015-05-20T05:04:48+00:00), after the report: allocated (dated 2015-05-19)"}]}],"classification_history":{"8fd3a2e18661fce1":[{"raw_change_id":445351,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:58:49+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 2015-05-19) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability."},{"raw_change_id":445351,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:35+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 2015-05-19) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability."},{"raw_change_id":445351,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:34+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 2015-05-19) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability."},{"raw_change_id":445351,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:31+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 2015-05-19) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability."}],"8c91d637fbdf5c63":[{"raw_change_id":556716,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:40+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Liberty Cablevision of Puerto Rico LTD (ARIN) to Liberty Cablevision of Puerto Rico (ARIN) on 2018-10-11 17:41 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."}],"3054cf4d161a0042":[{"raw_change_id":137519,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:31:15+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-05-18 and allocated (dated 2015-05-19) on 2015-05-20. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137519,"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 available on 2015-05-18 and allocated (dated 2015-05-19) on 2015-05-20. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137519,"classification_code":"APPARENT_NEW_ISSUANCE","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 available on 2015-05-18 and allocated (dated 2015-05-19) on 2015-05-20. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":137519,"classification_code":"APPARENT_NEW_ISSUANCE","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 available on 2015-05-18 and allocated (dated 2015-05-19) on 2015-05-20. 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 2015-05-19)"}}