{"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":"AS5777","resource_type":"asn","page":"https://rirtracker.com/asn/5777/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2009-10-05)"},"current_holder":{"rir":"ARIN","org":"Ribbon Communications Operating Company, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":2163,"date":"2020-08-04T12:55:15Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"GENBAND Inc.","recipient_org":"Ribbon Communications Operating Company, Inc.","range":"AS5777","log":"ARIN"}],"events":[{"event_id":"7acd10f9f13c110e","registry":"ARIN","report_date":"2020-08-04","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS5777","start":5777,"end":5777,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"GENBAND Inc.","recipient_organization":"Ribbon Communications Operating Company, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:50+00:00","page":"https://rirtracker.com/asn/5777/#e-7acd10f9f13c110e","report_page":"https://rirtracker.com/arin/reports/2020-08-04/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/5777.json","observed":"Merger/acquisition: GENBAND Inc. (ARIN) to Ribbon Communications Operating Company, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from GENBAND Inc. (ARIN) to Ribbon Communications Operating Company, Inc. (ARIN) on 2020-08-04 12:55 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 2020-08-04 12:55 UTC, GENBAND Inc. (ARIN) to Ribbon Communications Operating Company, Inc. (ARIN); resources moved: AS5777"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200803.gz","retrieved_at":"2026-10-12T22:28:11+00:00","summary":"ARIN delegated statistics 2020-08-03 (produced 2020-08-03T14:00:14+00:00), before the report: assigned (dated 2009-10-05)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200805.gz","retrieved_at":"2026-10-12T22:28:16+00:00","summary":"ARIN delegated statistics 2020-08-05 (produced 2020-08-05T14:00:13+00:00), after the report: assigned (dated 2009-10-05)"}]},{"event_id":"4a131613246f14e0","registry":"ARIN","report_date":"2020-03-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS5777","start":5777,"end":5777,"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":"2026-10-14T00:06:39+00:00","page":"https://rirtracker.com/asn/5777/#e-4a131613246f14e0","report_page":"https://rirtracker.com/arin/reports/2020-03-09/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/5777.json","observed":"AS5777 assigned on 2020-03-09, reserved on 2020-03-10","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_months":6,"estimated_hold_end":"2020-09-09","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 assigned (dated 2009-10-05) on 2020-03-08 and reserved on 2020-03-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2020-09-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200310.gz","retrieved_at":"2026-10-12T22:20:26+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS5777 assigned on 2020-03-09, reserved on 2020-03-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200308.gz","retrieved_at":"2026-10-12T22:20:21+00:00","summary":"ARIN delegated statistics 2020-03-08 (produced 2020-03-08T14:00:12+00:00), before the report: assigned (dated 2009-10-05)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200310.gz","retrieved_at":"2026-10-12T22:20:26+00:00","summary":"ARIN delegated statistics 2020-03-10 (produced 2020-03-10T14:00:13+00:00), after the report: reserved"}]}],"classification_history":{"7acd10f9f13c110e":[{"raw_change_id":560767,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:50+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from GENBAND Inc. (ARIN) to Ribbon Communications Operating Company, Inc. (ARIN) on 2020-08-04 12:55 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."}],"4a131613246f14e0":[{"raw_change_id":390830,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:35:10+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 assigned (dated 2009-10-05) on 2020-03-08 and reserved on 2020-03-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2020-09-09. This does not confirm availability."},{"raw_change_id":390830,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:24+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 assigned (dated 2009-10-05) on 2020-03-08 and reserved on 2020-03-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2020-09-09. This does not confirm availability."},{"raw_change_id":390830,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:09+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 assigned (dated 2009-10-05) on 2020-03-08 and reserved on 2020-03-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2020-09-09. This does not confirm availability."},{"raw_change_id":390830,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:39+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 assigned (dated 2009-10-05) on 2020-03-08 and reserved on 2020-03-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2020-09-09. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2009-10-05)"}}