{"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":"2606:1f00::/32","resource_type":"ipv6","page":"https://rirtracker.com/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2013-05-28)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"ade9a6eac241b218","registry":"ARIN","report_date":"2013-05-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2606:1f00::/32","start":"2606:1f00::","end":"2606:1f00:ffff:ffff:ffff:ffff:ffff:ffff","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:51:06+00:00","page":"https://rirtracker.com/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff/#e-ade9a6eac241b218","report_page":"https://rirtracker.com/arin/reports/2013-05-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. The tracker saw this range released from hold on 2013-05-27 (2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2013-05-27: Remove 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2013-May/001629.html","retrieved_at":"2026-10-12T18:37:57+00:00","summary":"ARIN-Issued report for 2013-05-28: \"Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130527.gz","retrieved_at":"2026-10-12T19:59:23+00:00","summary":"ARIN delegated statistics 2013-05-27 (produced 2013-05-27T05:06:41+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130529.gz","retrieved_at":"2026-10-12T19:59:28+00:00","summary":"ARIN delegated statistics 2013-05-29 (produced 2013-05-29T05:06:40+00:00), after the report: allocated (dated 2013-05-28)"}]},{"event_id":"34f760a8982c7bee","registry":"ARIN","report_date":"2013-05-27","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2606:1f00::/32","start":"2606:1f00::","end":"2606:1f00:ffff:ffff:ffff:ffff:ffff:ffff","classification":"HOLD_RELEASED","classification_label":"Released from hold (ARIN lists it as 'available')","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:51:06+00:00","page":"https://rirtracker.com/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff/#e-34f760a8982c7bee","report_page":"https://rirtracker.com/arin/reports/2013-05-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff.json","explanation":"ARIN's statistics show it reserved on 2013-05-26 and available on 2013-05-28. 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 2013-02-22, 94 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-05-28: Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2013-May/001628.html","retrieved_at":"2026-10-12T18:37:57+00:00","summary":"ARIN-Issued report for 2013-05-27: \"Remove 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130526.gz","retrieved_at":"2026-10-12T19:59:21+00:00","summary":"ARIN delegated statistics 2013-05-26 (produced 2013-05-26T05:06:42+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130528.gz","retrieved_at":"2026-10-12T19:59:25+00:00","summary":"ARIN delegated statistics 2013-05-28 (produced 2013-05-28T05:06:35+00:00), after the report: available"}]},{"event_id":"770ec38e55316d0a","registry":"ARIN","report_date":"2013-02-22","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv6","resource":"2606:1f00::/32","start":"2606:1f00::","end":"2606:1f00: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":"2026-10-13T23:57:59+00:00","page":"https://rirtracker.com/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff/#e-770ec38e55316d0a","report_page":"https://rirtracker.com/arin/reports/2013-02-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff.json","observed":"2606:1f00::/32 allocated on 2013-02-22, not listed on 2013-02-23","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":"2013-08-22","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 2011-10-03) on 2013-02-21 and not issued on 2013-02-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2013-08-22. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130223.gz","retrieved_at":"2026-10-12T19:55:10+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 2606:1f00::/32 allocated on 2013-02-22, not listed on 2013-02-23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130221.gz","retrieved_at":"2026-10-12T19:55:02+00:00","summary":"ARIN delegated statistics 2013-02-21, before the report: allocated (dated 2011-10-03)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130223.gz","retrieved_at":"2026-10-12T19:55:10+00:00","summary":"ARIN delegated statistics 2013-02-23, after the report: not issued"}]},{"event_id":"46bd281c97a192ef","registry":"ARIN","report_date":"2011-10-03","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2606:1f00::/32","start":"2606:1f00::","end":"2606:1f00: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":"2026-10-13T23:50:56+00:00","page":"https://rirtracker.com/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff/#e-46bd281c97a192ef","report_page":"https://rirtracker.com/arin/reports/2011-10-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2606.1f00..-2606.1f00.ffff.ffff.ffff.ffff.ffff.ffff.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-02 and allocated (dated 2011-10-03) on 2011-10-04. (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/2011-October/001026.html","retrieved_at":"2026-10-12T18:37:16+00:00","summary":"ARIN-Issued report for 2011-10-03: \"Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111002.gz","retrieved_at":"2026-10-12T19:25:55+00:00","summary":"ARIN delegated statistics 2011-10-02, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111004.gz","retrieved_at":"2026-10-12T19:25:59+00:00","summary":"ARIN delegated statistics 2011-10-04, after the report: allocated (dated 2011-10-03)"}]}],"classification_history":{"ade9a6eac241b218":[{"raw_change_id":129385,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:21:09+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. The tracker saw this range released from hold on 2013-05-27 (2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2013-05-27: Remove 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it."},{"raw_change_id":129385,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:30+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. The tracker saw this range released from hold on 2013-05-27 (2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2013-05-27: Remove 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it."},{"raw_change_id":129385,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:05+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. The tracker saw this range released from hold on 2013-05-27 (2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2013-05-27: Remove 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it."},{"raw_change_id":129385,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:06+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2013-05-27 and allocated (dated 2013-05-28) on 2013-05-29. The tracker saw this range released from hold on 2013-05-27 (2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2013-05-27: Remove 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it."}],"34f760a8982c7bee":[{"raw_change_id":129373,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:21:08+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2013-05-26 and available on 2013-05-28. 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 2013-02-22, 94 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-05-28: Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it."},{"raw_change_id":129373,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:30+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2013-05-26 and available on 2013-05-28. 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 2013-02-22, 94 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-05-28: Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it."},{"raw_change_id":129373,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:05+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2013-05-26 and available on 2013-05-28. 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 2013-02-22, 94 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-05-28: Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it."},{"raw_change_id":129373,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:06+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2013-05-26 and available on 2013-05-28. 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 2013-02-22, 94 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-05-28: Add 2606:1F00::-2606:1F00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF), so the before-and-after statistics may include it."}],"770ec38e55316d0a":[{"raw_change_id":255477,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:33:26+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 allocated (dated 2011-10-03) on 2013-02-21 and not issued on 2013-02-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2013-08-22. This does not confirm availability."},{"raw_change_id":255477,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:03+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 2011-10-03) on 2013-02-21 and not issued on 2013-02-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2013-08-22. This does not confirm availability."},{"raw_change_id":255477,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:14+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 2011-10-03) on 2013-02-21 and not issued on 2013-02-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2013-08-22. This does not confirm availability."},{"raw_change_id":255477,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:59+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 2011-10-03) on 2013-02-21 and not issued on 2013-02-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2013-08-22. This does not confirm availability."}],"46bd281c97a192ef":[{"raw_change_id":124595,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:15:09+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-02 and allocated (dated 2011-10-03) on 2011-10-04. (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":124595,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:22+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-02 and allocated (dated 2011-10-03) on 2011-10-04. (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":124595,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:56+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-02 and allocated (dated 2011-10-03) on 2011-10-04. (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":124595,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:56+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-02 and allocated (dated 2011-10-03) on 2011-10-04. (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 2013-05-28)"}}