{"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":"2001:504:32::/48","resource_type":"ipv6","page":"https://rirtracker.com/ip/2001.504.32..-2001.504.32.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"ARIN","status":"available"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"a99854d86b2209e8","registry":"ARIN","report_date":"2019-05-06","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 2001:504:32::-2001:504:32:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2001:504:32::/48","start":"2001:504:32::","end":"2001:504:32:ffff:ffff:ffff:ffff:ffff","classification":"HOLD_RELEASED","classification_label":"Released from hold (ARIN lists it as 'available')","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"ARIN's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:29+00:00","page":"https://rirtracker.com/ip/2001.504.32..-2001.504.32.ffff.ffff.ffff.ffff.ffff/#e-a99854d86b2209e8","report_page":"https://rirtracker.com/arin/reports/2019-05-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.504.32..-2001.504.32.ffff.ffff.ffff.ffff.ffff.json","explanation":"ARIN's statistics show it reserved on 2019-05-05 and available on 2019-05-07. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2016-06-07, 1063 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-May/003799.html","retrieved_at":"2026-10-12T18:40:29+00:00","summary":"ARIN-Issued report for 2019-05-06: \"Remove 2001:504:32::-2001:504:32:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190505.gz","retrieved_at":"2026-10-12T22:04:30+00:00","summary":"ARIN delegated statistics 2019-05-05 (produced 2019-05-05T05:00:11+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190507.gz","retrieved_at":"2026-10-12T22:04:35+00:00","summary":"ARIN delegated statistics 2019-05-07 (produced 2019-05-07T05:00:13+00:00), after the report: available"}]},{"event_id":"bc11f26104ff6fee","registry":"ARIN","report_date":"2016-06-07","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv6","resource":"2001:504:32::/48","start":"2001:504:32::","end":"2001:504:32: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":"2026-10-14T00:02:03+00:00","page":"https://rirtracker.com/ip/2001.504.32..-2001.504.32.ffff.ffff.ffff.ffff.ffff/#e-bc11f26104ff6fee","report_page":"https://rirtracker.com/arin/reports/2016-06-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.504.32..-2001.504.32.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:504:32::/48 assigned on 2016-06-07, reserved on 2016-06-08","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":"2016-12-07","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 2013-11-19) on 2016-06-06 and reserved on 2016-06-08. 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 2016-12-07. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160608.gz","retrieved_at":"2026-10-12T21:11:34+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 2001:504:32::/48 assigned on 2016-06-07, reserved on 2016-06-08"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160606.gz","retrieved_at":"2026-10-12T21:11:29+00:00","summary":"ARIN delegated statistics 2016-06-06 (produced 2016-06-06T05:04:32+00:00), before the report: assigned (dated 2013-11-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160608.gz","retrieved_at":"2026-10-12T21:11:34+00:00","summary":"ARIN delegated statistics 2016-06-08 (produced 2016-06-08T05:04:16+00:00), after the report: reserved"}]},{"event_id":"72a5cf34381b6d39","registry":"ARIN","report_date":"2013-11-19","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2001:504:32::-2001:504:32:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2001:504:32::/48","start":"2001:504:32::","end":"2001:504:32: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":"2026-10-13T23:51:09+00:00","page":"https://rirtracker.com/ip/2001.504.32..-2001.504.32.ffff.ffff.ffff.ffff.ffff/#e-72a5cf34381b6d39","report_page":"https://rirtracker.com/arin/reports/2013-11-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.504.32..-2001.504.32.ffff.ffff.ffff.ffff.ffff.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2013-11-18 and assigned (dated 2013-11-19) on 2013-11-20. 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-November/001805.html","retrieved_at":"2026-10-12T18:38:09+00:00","summary":"ARIN-Issued report for 2013-11-19: \"Add 2001:504:32::-2001:504:32:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131118.gz","retrieved_at":"2026-10-12T20:07:47+00:00","summary":"ARIN delegated statistics 2013-11-18 (produced 2013-11-18T06:06:42+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131120.gz","retrieved_at":"2026-10-12T20:07:52+00:00","summary":"ARIN delegated statistics 2013-11-20 (produced 2013-11-20T06:05:33+00:00), after the report: assigned (dated 2013-11-19)"}]}],"classification_history":{"a99854d86b2209e8":[{"raw_change_id":159583,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:44:14+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-05-05 and available on 2019-05-07. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2016-06-07, 1063 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":159583,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:32+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-05-05 and available on 2019-05-07. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2016-06-07, 1063 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":159583,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:15+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-05-05 and available on 2019-05-07. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2016-06-07, 1063 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":159583,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:29+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2019-05-05 and available on 2019-05-07. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2016-06-07, 1063 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."}],"bc11f26104ff6fee":[{"raw_change_id":319083,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:04:26+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 2013-11-19) on 2016-06-06 and reserved on 2016-06-08. 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 2016-12-07. This does not confirm availability."},{"raw_change_id":319083,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:33+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 assigned (dated 2013-11-19) on 2016-06-06 and reserved on 2016-06-08. 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 2016-12-07. This does not confirm availability."},{"raw_change_id":319083,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:01+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 2013-11-19) on 2016-06-06 and reserved on 2016-06-08. 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 2016-12-07. This does not confirm availability."},{"raw_change_id":319083,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:03+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 2013-11-19) on 2016-06-06 and reserved on 2016-06-08. 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 2016-12-07. This does not confirm availability."}],"72a5cf34381b6d39":[{"raw_change_id":130761,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:22:46+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-11-18 and assigned (dated 2013-11-19) on 2013-11-20. 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":130761,"classification_code":"APPARENT_NEW_ISSUANCE","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 available on 2013-11-18 and assigned (dated 2013-11-19) on 2013-11-20. 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":130761,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:07+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-11-18 and assigned (dated 2013-11-19) on 2013-11-20. 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":130761,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:09+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-11-18 and assigned (dated 2013-11-19) on 2013-11-20. 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":"available"}}