{"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":"2607:1d00::/32","resource_type":"ipv6","page":"https://rirtracker.com/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2014-01-27)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"af0d619586ae2e66","registry":"ARIN","report_date":"2014-01-27","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2607:1d00::/32","start":"2607:1d00::","end":"2607:1d00:ffff:ffff:ffff:ffff:ffff:ffff","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","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":"2026-10-13T23:51:10+00:00","page":"https://rirtracker.com/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff/#e-af0d619586ae2e66","report_page":"https://rirtracker.com/arin/reports/2014-01-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. The tracker saw this range removed from registration on 2013-10-28 (2607:1d00::/32), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-January/001875.html","retrieved_at":"2026-10-12T18:38:13+00:00","summary":"ARIN-Issued report for 2014-01-27: \"Add 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140126.gz","retrieved_at":"2026-10-12T20:11:05+00:00","summary":"ARIN delegated statistics 2014-01-26 (produced 2014-01-26T06:04:30+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140128.gz","retrieved_at":"2026-10-12T20:11:10+00:00","summary":"ARIN delegated statistics 2014-01-28 (produced 2014-01-28T06:06:21+00:00), after the report: allocated (dated 2014-01-27)"}]},{"event_id":"5a71299acdfb91c3","registry":"ARIN","report_date":"2014-01-27","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2607:1d00::/32","start":"2607:1d00::","end":"2607:1d00:ffff:ffff:ffff:ffff:ffff:ffff","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:10+00:00","page":"https://rirtracker.com/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff/#e-5a71299acdfb91c3","report_page":"https://rirtracker.com/arin/reports/2014-01-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff.json","explanation":"ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. ARIN removed its own pool record for this range as part of issuing it: the same report adds 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-January/001875.html","retrieved_at":"2026-10-12T18:38:13+00:00","summary":"ARIN-Issued report for 2014-01-27: \"Remove 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140126.gz","retrieved_at":"2026-10-12T20:11:05+00:00","summary":"ARIN delegated statistics 2014-01-26 (produced 2014-01-26T06:04:30+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140128.gz","retrieved_at":"2026-10-12T20:11:10+00:00","summary":"ARIN delegated statistics 2014-01-28 (produced 2014-01-28T06:06:21+00:00), after the report: allocated (dated 2014-01-27)"}]},{"event_id":"31377711978756e5","registry":"ARIN","report_date":"2013-10-28","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv6","resource":"2607:1d00::/32","start":"2607:1d00::","end":"2607:1d00:ffff:ffff:ffff:ffff:ffff:ffff","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":"2026-10-13T23:58:33+00:00","page":"https://rirtracker.com/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff/#e-31377711978756e5","report_page":"https://rirtracker.com/arin/reports/2013-10-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff.json","observed":"2607:1d00::/32 allocated on 2013-10-28, reserved on 2013-10-29","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":"2014-04-28","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 allocated (dated 2012-03-08) on 2013-10-27 and reserved on 2013-10-29. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv6 space for 6 calendar months before reissuing it, so the estimated hold end is 2014-04-28. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131029.gz","retrieved_at":"2026-10-12T20:06:46+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 2607:1d00::/32 allocated on 2013-10-28, reserved on 2013-10-29"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131027.gz","retrieved_at":"2026-10-12T20:06:41+00:00","summary":"ARIN delegated statistics 2013-10-27 (produced 2013-10-27T22:43:57+00:00), before the report: allocated (dated 2012-03-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131029.gz","retrieved_at":"2026-10-12T20:06:46+00:00","summary":"ARIN delegated statistics 2013-10-29 (produced 2013-10-29T05:06:33+00:00), after the report: reserved"}]},{"event_id":"b2888efeef141eeb","registry":"ARIN","report_date":"2012-03-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2607:1d00::/32","start":"2607:1d00::","end":"2607:1d00:ffff: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":"2026-10-13T23:50:58+00:00","page":"https://rirtracker.com/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff/#e-b2888efeef141eeb","report_page":"https://rirtracker.com/arin/reports/2012-03-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2607.1d00..-2607.1d00.ffff.ffff.ffff.ffff.ffff.ffff.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-07 and allocated (dated 2012-03-08) on 2012-03-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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/2012-March/001183.html","retrieved_at":"2026-10-12T18:37:27+00:00","summary":"ARIN-Issued report for 2012-03-08: \"Add 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120307.gz","retrieved_at":"2026-10-12T19:32:45+00:00","summary":"ARIN delegated statistics 2012-03-07, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120309.gz","retrieved_at":"2026-10-12T19:32:53+00:00","summary":"ARIN delegated statistics 2012-03-09, after the report: allocated (dated 2012-03-08)"}]}],"classification_history":{"af0d619586ae2e66":[{"raw_change_id":131303,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:23:25+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. The tracker saw this range removed from registration on 2013-10-28 (2607:1d00::/32), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131303,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:32+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. The tracker saw this range removed from registration on 2013-10-28 (2607:1d00::/32), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131303,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:08+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. The tracker saw this range removed from registration on 2013-10-28 (2607:1d00::/32), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131303,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:10+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. The tracker saw this range removed from registration on 2013-10-28 (2607:1d00::/32), so it appears to have been issued again from ARIN's pool."}],"5a71299acdfb91c3":[{"raw_change_id":131299,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:23:24+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. ARIN removed its own pool record for this range as part of issuing it: the same report adds 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF. The issuance is explained on that line."},{"raw_change_id":131299,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:32+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. ARIN removed its own pool record for this range as part of issuing it: the same report adds 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF. The issuance is explained on that line."},{"raw_change_id":131299,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:08+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. ARIN removed its own pool record for this range as part of issuing it: the same report adds 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF. The issuance is explained on that line."},{"raw_change_id":131299,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:10+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2014-01-26 and allocated (dated 2014-01-27) on 2014-01-28. ARIN removed its own pool record for this range as part of issuing it: the same report adds 2607:1D00::-2607:1D00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF. The issuance is explained on that line."}],"31377711978756e5":[{"raw_change_id":265022,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:38:28+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 allocated (dated 2012-03-08) on 2013-10-27 and reserved on 2013-10-29. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv6 space for 6 calendar months before reissuing it, so the earliest estimated hold expiration is 2014-04-28. This does not confirm availability."},{"raw_change_id":265022,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:33+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 allocated (dated 2012-03-08) on 2013-10-27 and reserved on 2013-10-29. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv6 space for 6 calendar months before reissuing it, so the earliest estimated hold expiration is 2014-04-28. This does not confirm availability."},{"raw_change_id":265022,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:46+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 allocated (dated 2012-03-08) on 2013-10-27 and reserved on 2013-10-29. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv6 space for 6 calendar months before reissuing it, so the earliest estimated hold expiration is 2014-04-28. This does not confirm availability."},{"raw_change_id":265022,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:33+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 allocated (dated 2012-03-08) on 2013-10-27 and reserved on 2013-10-29. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv6 space for 6 calendar months before reissuing it, so the estimated hold end is 2014-04-28. This does not confirm availability."}],"b2888efeef141eeb":[{"raw_change_id":125728,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:16:34+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-07 and allocated (dated 2012-03-08) on 2012-03-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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":125728,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:23+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-07 and allocated (dated 2012-03-08) on 2012-03-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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":125728,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:58+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-07 and allocated (dated 2012-03-08) on 2012-03-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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":125728,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:58+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-07 and allocated (dated 2012-03-08) on 2012-03-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2014-01-27)"}}