{"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":"2620:117:2000::/40","resource_type":"ipv6","page":"https://rirtracker.com/ip/2620.117.2000..-2620.117.20ff.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2013-10-09)"},"current_holder":{"rir":"ARIN","org":"University Corporation for Atmospheric Research","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":44899,"date":"2026-07-29T17:52:36Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"National Center for Atmospheric Research","recipient_org":"University Corporation for Atmospheric Research","range":"2620:117:2000::/40","log":"ARIN"}],"events":[{"event_id":"aeff6673abef13f0","registry":"ARIN","report_date":"2026-07-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv6","resource":"2620:117:2000::/40","start":"2620:117:2000::","end":"2620:117:20ff:ffff:ffff:ffff:ffff:ffff","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"National Center for Atmospheric Research","recipient_organization":"University Corporation for Atmospheric Research","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:29+00:00","page":"https://rirtracker.com/ip/2620.117.2000..-2620.117.20ff.ffff.ffff.ffff.ffff.ffff/#e-aeff6673abef13f0","report_page":"https://rirtracker.com/arin/reports/2026-07-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2620.117.2000..-2620.117.20ff.ffff.ffff.ffff.ffff.ffff.json","observed":"Merger/acquisition: National Center for Atmospheric Research (ARIN) to University Corporation for Atmospheric Research (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from National Center for Atmospheric Research (ARIN) to University Corporation for Atmospheric Research (ARIN) on 2026-07-29 17:52 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 2026-07-29 17:52 UTC, National Center for Atmospheric Research (ARIN) to University Corporation for Atmospheric Research (ARIN); resources moved: 2620:117:2000::/40"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260728","retrieved_at":"2026-10-09T19:05:13+00:00","summary":"ARIN delegated statistics 2026-07-28 (produced 2026-07-28T09:00:21+00:00), before the report: allocated (dated 2013-10-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260730","retrieved_at":"2026-10-09T19:05:19+00:00","summary":"ARIN delegated statistics 2026-07-30 (produced 2026-07-30T13:00:20+00:00), after the report: allocated (dated 2013-10-09)"}]},{"event_id":"4d20074673f01f5a","registry":"ARIN","report_date":"2013-10-09","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2620:117:2000::-2620:117:20FF:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2620:117:2000::/40","start":"2620:117:2000::","end":"2620:117:20ff:ffff:ffff:ffff:ffff:ffff","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":"2026-10-13T23:51:08+00:00","page":"https://rirtracker.com/ip/2620.117.2000..-2620.117.20ff.ffff.ffff.ffff.ffff.ffff/#e-4d20074673f01f5a","report_page":"https://rirtracker.com/arin/reports/2013-10-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2620.117.2000..-2620.117.20ff.ffff.ffff.ffff.ffff.ffff.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2013-10-08 and assigned (dated 2013-10-09) on 2013-10-10. 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-October/001764.html","retrieved_at":"2026-10-12T18:38:07+00:00","summary":"ARIN-Issued report for 2013-10-09: \"Add 2620:117:2000::-2620:117:20FF:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131008.gz","retrieved_at":"2026-10-12T20:05:49+00:00","summary":"ARIN delegated statistics 2013-10-08 (produced 2013-10-08T05:03:56+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131010.gz","retrieved_at":"2026-10-12T20:05:54+00:00","summary":"ARIN delegated statistics 2013-10-10 (produced 2013-10-10T05:08:05+00:00), after the report: assigned (dated 2013-10-09)"}]}],"classification_history":{"aeff6673abef13f0":[{"raw_change_id":576764,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:29+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from National Center for Atmospheric Research (ARIN) to University Corporation for Atmospheric Research (ARIN) on 2026-07-29 17:52 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."}],"4d20074673f01f5a":[{"raw_change_id":130439,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:22:27+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-10-08 and assigned (dated 2013-10-09) on 2013-10-10. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":130439,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:31+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-10-08 and assigned (dated 2013-10-09) on 2013-10-10. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":130439,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:06+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-10-08 and assigned (dated 2013-10-09) on 2013-10-10. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":130439,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:08+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-10-08 and assigned (dated 2013-10-09) on 2013-10-10. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2013-10-09)"}}