{"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":"AS19559","resource_type":"asn","page":"https://rirtracker.com/asn/19559/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2022-10-27)"},"current_holder":{"rir":"ARIN","org":"Maximus Canada","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":3061,"date":"2022-10-27T21:18:15Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"PSI/Maximus","recipient_org":"Maximus Canada","range":"AS19559","log":"ARIN"},{"id":2662,"date":"2021-12-13T21:21:37Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Vangent Inc.","recipient_org":"PSI/Maximus","range":"AS19559","log":"ARIN"}],"events":[{"event_id":"8fd282a9dc07900e","registry":"ARIN","report_date":"2022-10-27","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS19559","resource_type":"asn","resource":"AS19559","start":19559,"end":19559,"classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"PSI/Maximus","recipient_organization":"Maximus Canada","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:30+00:00","page":"https://rirtracker.com/asn/19559/#e-8fd282a9dc07900e","report_page":"https://rirtracker.com/arin/reports/2022-10-27/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/19559.json","explanation":"ARIN's transfer log records a transfer from PSI/Maximus (ARIN) to Maximus Canada (ARIN) on 2022-10-27 21:18 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/2022-October/005067.html","retrieved_at":"2026-10-12T18:41:55+00:00","summary":"ARIN-Issued report for 2022-10-27: \"Add AS19559\""},{"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 2022-10-27 21:18 UTC, PSI/Maximus (ARIN) to Maximus Canada (ARIN); resources moved: AS19559"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221026.gz","retrieved_at":"2026-10-12T23:09:59+00:00","summary":"ARIN delegated statistics 2022-10-26 (produced 2022-10-26T13:00:10+00:00), before the report: assigned (dated 2007-08-21)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221028.gz","retrieved_at":"2026-10-12T23:10:04+00:00","summary":"ARIN delegated statistics 2022-10-28 (produced 2022-10-28T13:00:11+00:00), after the report: assigned (dated 2022-10-27)"}]},{"event_id":"86bf6479fd042178","registry":"ARIN","report_date":"2021-12-13","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS19559","start":19559,"end":19559,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Vangent Inc.","recipient_organization":"PSI/Maximus","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:59+00:00","page":"https://rirtracker.com/asn/19559/#e-86bf6479fd042178","report_page":"https://rirtracker.com/arin/reports/2021-12-13/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/19559.json","observed":"Merger/acquisition: Vangent Inc. (ARIN) to PSI/Maximus (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Vangent Inc. (ARIN) to PSI/Maximus (ARIN) on 2021-12-13 21:21 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 2021-12-13 21:21 UTC, Vangent Inc. (ARIN) to PSI/Maximus (ARIN); resources moved: AS19559"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211212.gz","retrieved_at":"2026-10-12T22:53:35+00:00","summary":"ARIN delegated statistics 2021-12-12 (produced 2021-12-12T14:00:13+00:00), before the report: assigned (dated 2007-08-21)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211214.gz","retrieved_at":"2026-10-12T22:53:40+00:00","summary":"ARIN delegated statistics 2021-12-14 (produced 2021-12-14T14:00:13+00:00), after the report: assigned (dated 2007-08-21)"}]}],"classification_history":{"8fd282a9dc07900e":[{"raw_change_id":178732,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:57:17+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from PSI/Maximus (ARIN) to Maximus Canada (ARIN) on 2022-10-27 21:18 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":178732,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:18+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from PSI/Maximus (ARIN) to Maximus Canada (ARIN) on 2022-10-27 21:18 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":178732,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:07+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from PSI/Maximus (ARIN) to Maximus Canada (ARIN) on 2022-10-27 21:18 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":178732,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from PSI/Maximus (ARIN) to Maximus Canada (ARIN) on 2022-10-27 21:18 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"86bf6479fd042178":[{"raw_change_id":564391,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:59+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Vangent Inc. (ARIN) to PSI/Maximus (ARIN) on 2021-12-13 21:21 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."}]},"arin_statistics_now":{"status":"assigned (dated 2022-10-27)"}}