{"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":"24.55.0.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/24.55.0.0-24.55.63.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2013-05-28)"},"current_holder":{"rir":"ARIN","org":"Charter Communications Inc","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":16194,"date":"2018-11-26T20:35:12Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Time Warner Cable Internet LLC","recipient_org":"Charter Communications Inc","range":"24.55.0.0/18","log":"ARIN"}],"events":[{"event_id":"f8ba1ed2a0bd8ca7","registry":"ARIN","report_date":"2018-11-26","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"24.55.0.0/18","start":"24.55.0.0","end":"24.55.63.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Time Warner Cable Internet LLC","recipient_organization":"Charter Communications Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:41+00:00","page":"https://rirtracker.com/ip/24.55.0.0-24.55.63.255/#e-f8ba1ed2a0bd8ca7","report_page":"https://rirtracker.com/arin/reports/2018-11-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/24.55.0.0-24.55.63.255.json","observed":"Merger/acquisition: Time Warner Cable Internet LLC (ARIN) to Charter Communications Inc (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Time Warner Cable Internet LLC (ARIN) to Charter Communications Inc (ARIN) on 2018-11-26 20:35 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 2018-11-26 20:35 UTC, Time Warner Cable Internet LLC (ARIN) to Charter Communications Inc (ARIN); resources moved: 24.55.0.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181125.gz","retrieved_at":"2026-10-12T21:56:16+00:00","summary":"ARIN delegated statistics 2018-11-25 (produced 2018-11-25T06:00:11+00:00), before the report: allocated (dated 2013-05-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181127.gz","retrieved_at":"2026-10-12T21:56:21+00:00","summary":"ARIN delegated statistics 2018-11-27 (produced 2018-11-27T06:00:11+00:00), after the report: allocated (dated 2013-05-28)"}]},{"event_id":"cf74a6e39ed6715a","registry":"ARIN","report_date":"2013-05-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add 24.55.0.0-24.55.63.255","resource_type":"ipv4","resource":"24.55.0.0/18","start":"24.55.0.0","end":"24.55.63.255","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":"2026-10-13T23:51:06+00:00","page":"https://rirtracker.com/ip/24.55.0.0-24.55.63.255/#e-cf74a6e39ed6715a","report_page":"https://rirtracker.com/arin/reports/2013-05-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/24.55.0.0-24.55.63.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. 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/2013-May/001629.html","retrieved_at":"2026-10-12T18:37:57+00:00","summary":"ARIN-Issued report for 2013-05-28: \"Add 24.55.0.0-24.55.63.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130527.gz","retrieved_at":"2026-10-12T19:59:23+00:00","summary":"ARIN delegated statistics 2013-05-27 (produced 2013-05-27T05:06:41+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130529.gz","retrieved_at":"2026-10-12T19:59:28+00:00","summary":"ARIN delegated statistics 2013-05-29 (produced 2013-05-29T05:06:40+00:00), after the report: allocated (dated 2013-05-28)"}]},{"event_id":"7335ae11d073a8ed","registry":"ARIN","report_date":"2009-08-10","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 24.55.0.0-24.55.63.255","resource_type":"ipv4","resource":"24.55.0.0/18","start":"24.55.0.0","end":"24.55.63.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:46+00:00","page":"https://rirtracker.com/ip/24.55.0.0-24.55.63.255/#e-7335ae11d073a8ed","report_page":"https://rirtracker.com/arin/reports/2009-08-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/24.55.0.0-24.55.63.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-08-09 and not issued on 2009-08-11. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2009-August/000235.html","retrieved_at":"2026-10-12T18:36:21+00:00","summary":"ARIN-Issued report for 2009-08-10: \"Remove 24.55.0.0-24.55.63.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090809.gz","retrieved_at":"2026-10-12T18:53:43+00:00","summary":"ARIN delegated statistics 2009-08-09, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090811.gz","retrieved_at":"2026-10-12T18:53:47+00:00","summary":"ARIN delegated statistics 2009-08-11, after the report: not issued"}]}],"classification_history":{"f8ba1ed2a0bd8ca7":[{"raw_change_id":557274,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:41+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Time Warner Cable Internet LLC (ARIN) to Charter Communications Inc (ARIN) on 2018-11-26 20:35 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."}],"cf74a6e39ed6715a":[{"raw_change_id":129376,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:21:08+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. The tracker saw this range released from hold on 2009-08-10 (24.55.0.0-24.55.63.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":129376,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:30+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. The tracker saw this range released from hold on 2009-08-10 (24.55.0.0-24.55.63.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":129376,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:05+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. The tracker saw this range released from hold on 2009-08-10 (24.55.0.0-24.55.63.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":129376,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:06+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}],"7335ae11d073a8ed":[{"raw_change_id":120081,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:11:31+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-08-09 and not issued on 2009-08-11. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":120081,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:15+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-08-09 and not issued on 2009-08-11. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":120081,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:48+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-08-09 and not issued on 2009-08-11. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":120081,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:46+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-08-09 and not issued on 2009-08-11. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."}]},"arin_statistics_now":{"status":"allocated (dated 2013-05-28)"}}