{"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":"AS21576","resource_type":"asn","page":"https://rirtracker.com/asn/21576/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2022-07-11)"},"current_holder":{"rir":"ARIN","org":"insiteOne","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":2933,"date":"2022-07-11T14:18:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"NTT DATA Services, LLC","recipient_org":"insiteOne","range":"AS21576","log":"ARIN"},{"id":1567,"date":"2019-03-25T19:26:12Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Dell Marketing L.P.","recipient_org":"NTT DATA Services, LLC","range":"AS21576","log":"ARIN"}],"events":[{"event_id":"eda40d3d6d9a781a","registry":"ARIN","report_date":"2022-07-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS21576","resource_type":"asn","resource":"AS21576","start":21576,"end":21576,"classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"NTT DATA Services, LLC","recipient_organization":"insiteOne","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:25+00:00","page":"https://rirtracker.com/asn/21576/#e-eda40d3d6d9a781a","report_page":"https://rirtracker.com/arin/reports/2022-07-11/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/21576.json","explanation":"ARIN's transfer log records a transfer from NTT DATA Services, LLC (ARIN) to insiteOne (ARIN) on 2022-07-11 14:18 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-July/004959.html","retrieved_at":"2026-10-12T18:41:49+00:00","summary":"ARIN-Issued report for 2022-07-11: \"Add AS21576\""},{"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 2022-07-11 14:18 UTC, NTT DATA Services, LLC (ARIN) to insiteOne (ARIN); resources moved: AS21576"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220710.gz","retrieved_at":"2026-10-12T23:04:17+00:00","summary":"ARIN delegated statistics 2022-07-10 (produced 2022-07-10T13:00:08+00:00), before the report: assigned (dated 2007-09-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220712.gz","retrieved_at":"2026-10-12T23:04:21+00:00","summary":"ARIN delegated statistics 2022-07-12 (produced 2022-07-12T13:00:09+00:00), after the report: assigned (dated 2022-07-11)"}]},{"event_id":"f6262e2fbd668646","registry":"ARIN","report_date":"2019-03-25","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS21576","start":21576,"end":21576,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Dell Marketing L.P.","recipient_organization":"NTT DATA Services, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","page":"https://rirtracker.com/asn/21576/#e-f6262e2fbd668646","report_page":"https://rirtracker.com/arin/reports/2019-03-25/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/21576.json","observed":"Merger/acquisition: Dell Marketing L.P. (ARIN) to NTT DATA Services, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Dell Marketing L.P. (ARIN) to NTT DATA Services, LLC (ARIN) on 2019-03-25 19:26 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 2019-03-25 19:26 UTC, Dell Marketing L.P. (ARIN) to NTT DATA Services, LLC (ARIN); resources moved: AS21576"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190324.gz","retrieved_at":"2026-10-12T22:02:19+00:00","summary":"ARIN delegated statistics 2019-03-24 (produced 2019-03-24T05:00:17+00:00), before the report: assigned (dated 2007-09-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190326.gz","retrieved_at":"2026-10-12T22:02:24+00:00","summary":"ARIN delegated statistics 2019-03-26 (produced 2019-03-26T05:00:17+00:00), after the report: assigned (dated 2007-09-11)"}]}],"classification_history":{"eda40d3d6d9a781a":[{"raw_change_id":177253,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:56:22+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from NTT DATA Services, LLC (ARIN) to insiteOne (ARIN) on 2022-07-11 14:18 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177253,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:15+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from NTT DATA Services, LLC (ARIN) to insiteOne (ARIN) on 2022-07-11 14:18 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177253,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from NTT DATA Services, LLC (ARIN) to insiteOne (ARIN) on 2022-07-11 14:18 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177253,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:25+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from NTT DATA Services, LLC (ARIN) to insiteOne (ARIN) on 2022-07-11 14:18 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"f6262e2fbd668646":[{"raw_change_id":558092,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Dell Marketing L.P. (ARIN) to NTT DATA Services, LLC (ARIN) on 2019-03-25 19:26 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 2022-07-11)"}}