{"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":"9.179.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/9.179.0.0-9.179.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-09-04)"},"current_holder":{"rir":"ARIN","org":"Zayo Bandwidth","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":44093,"date":"2026-06-01T16:06:28Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Crown Castle Fiber LLC","recipient_org":"Zayo Bandwidth","range":"9.179.0.0/16","log":"ARIN"},{"id":41218,"date":"2025-09-04T11:06:40Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"IBM","recipient_org":"Crown Castle Fiber LLC","range":"9.179.0.0/16","log":"ARIN"}],"events":[{"event_id":"82d8d81d20d22112","registry":"ARIN","report_date":"2026-06-01","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"9.179.0.0/16","start":"9.179.0.0","end":"9.179.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Crown Castle Fiber LLC","recipient_organization":"Zayo Bandwidth","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:28+00:00","page":"https://rirtracker.com/ip/9.179.0.0-9.179.255.255/#e-82d8d81d20d22112","report_page":"https://rirtracker.com/arin/reports/2026-06-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/9.179.0.0-9.179.255.255.json","observed":"Merger/acquisition: Crown Castle Fiber LLC (ARIN) to Zayo Bandwidth (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Crown Castle Fiber LLC (ARIN) to Zayo Bandwidth (ARIN) on 2026-06-01 16:06 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 2026-06-01 16:06 UTC, Crown Castle Fiber LLC (ARIN) to Zayo Bandwidth (ARIN); resources moved: 9.179.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260531","retrieved_at":"2026-10-09T19:02:06+00:00","summary":"ARIN delegated statistics 2026-05-31 (produced 2026-05-31T13:00:19+00:00), before the report: allocated (dated 2025-09-04)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260602","retrieved_at":"2026-10-09T19:02:12+00:00","summary":"ARIN delegated statistics 2026-06-02 (produced 2026-06-02T13:00:19+00:00), after the report: allocated (dated 2025-09-04)"}]},{"event_id":"5effc41899930b83","registry":"ARIN","report_date":"2025-09-04","source":"arin_issued","raw_action":"ADD","raw_line":"Add 9.179.0.0-9.179.255.255","resource_type":"ipv4","resource":"9.179.0.0/16","start":"9.179.0.0","end":"9.179.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"IBM","recipient_organization":"Crown Castle Fiber LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:34+00:00","page":"https://rirtracker.com/ip/9.179.0.0-9.179.255.255/#e-5effc41899930b83","report_page":"https://rirtracker.com/arin/reports/2025-09-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/9.179.0.0-9.179.255.255.json","piece_of":{"resource":"9.0.0.0/8","page":"https://rirtracker.com/ip/9.0.0.0-9.255.255.255/"},"explanation":"ARIN's transfer log records a transfer from IBM (ARIN) to Crown Castle Fiber LLC (ARIN) on 2025-09-04 11:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-September/006109.html","retrieved_at":"2026-10-12T18:43:09+00:00","summary":"ARIN-Issued report for 2025-09-04: \"Add 9.179.0.0-9.179.255.255\""},{"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 2025-09-04 11:06 UTC, IBM (ARIN) to Crown Castle Fiber LLC (ARIN); resources moved: 9.179.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250903.gz","retrieved_at":"2026-10-13T00:06:03+00:00","summary":"ARIN delegated statistics 2025-09-03 (produced 2025-09-03T13:00:51+00:00), before the report: allocated (dated 1988-12-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250905.gz","retrieved_at":"2026-10-13T00:06:20+00:00","summary":"ARIN delegated statistics 2025-09-05 (produced 2025-09-05T13:00:50+00:00), after the report: allocated (dated 2025-09-04)"}]}],"classification_history":{"82d8d81d20d22112":[{"raw_change_id":576222,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:28+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Crown Castle Fiber LLC (ARIN) to Zayo Bandwidth (ARIN) on 2026-06-01 16:06 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."}],"5effc41899930b83":[{"raw_change_id":195738,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:07:34+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IBM (ARIN) to Crown Castle Fiber LLC (ARIN) on 2025-09-04 11:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":195738,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:05+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IBM (ARIN) to Crown Castle Fiber LLC (ARIN) on 2025-09-04 11:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":195738,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:00+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IBM (ARIN) to Crown Castle Fiber LLC (ARIN) on 2025-09-04 11:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":195738,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:34+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from IBM (ARIN) to Crown Castle Fiber LLC (ARIN) on 2025-09-04 11:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2025-09-04)"}}