{"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":"2001:67c:c4::/48","resource_type":"ipv6","page":"https://rirtracker.com/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 2023-09-05)"},"current_holder":{"rir":"RIPE NCC","org":null,"how":"The RIPE NCC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"676a257bde4a516e","registry":"RIPE NCC","report_date":"2023-09-05","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv6","resource":"2001:67c:c4::/48","start":"2001:67c:c4::","end":"2001:67c:c4: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 RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:53+00:00","page":"https://rirtracker.com/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff/#e-676a257bde4a516e","report_page":"https://rirtracker.com/ripe/reports/2023-09-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:67c:c4::/48 available on 2023-09-04, assigned on 2023-09-05","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2023-09-04 and assigned (dated 2023-09-05) on 2023-09-05. The tracker saw this range removed from registration on 2023-03-08 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2023-09-04: Released 2001:67c:c4::/46), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230905.bz2","retrieved_at":"2026-10-13T00:11:08+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2001:67c:c4::/48 available on 2023-09-04, assigned on 2023-09-05"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230904.bz2","retrieved_at":"2026-10-13T00:11:05+00:00","summary":"RIPE NCC delegated statistics 2023-09-04 (produced 2023-09-04T21:59:59+00:00), before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230905.bz2","retrieved_at":"2026-10-13T00:11:08+00:00","summary":"RIPE NCC delegated statistics 2023-09-05 (produced 2023-09-05T21:59:59+00:00), after the change: assigned (dated 2023-09-05)"}]},{"event_id":"5f934ada4eeb60ee","registry":"RIPE NCC","report_date":"2023-03-08","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv6","resource":"2001:67c:c4::/48","start":"2001:67c:c4::","end":"2001:67c:c4: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":"2026-10-14T00:13:05+00:00","page":"https://rirtracker.com/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff/#e-5f934ada4eeb60ee","report_page":"https://rirtracker.com/ripe/reports/2023-03-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:67c:c4::/48 assigned on 2023-03-07, reserved on 2023-03-08","hold":{"hold_rule_source_url":"https://www.ripe.net/manage-ips-and-asns/resource-management/quarantine-for-returned-internet-number-resources","hold_rule_days":180,"estimated_hold_end":"2023-09-04","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2019-03-25) on 2023-03-07 and reserved on 2023-03-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2023-09-04. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230308.bz2","retrieved_at":"2026-10-12T23:57:20+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2001:67c:c4::/48 assigned on 2023-03-07, reserved on 2023-03-08"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230307.bz2","retrieved_at":"2026-10-12T23:57:17+00:00","summary":"RIPE NCC delegated statistics 2023-03-07 (produced 2023-03-07T22:59:59+00:00), before the change: assigned (dated 2019-03-25)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230308.bz2","retrieved_at":"2026-10-12T23:57:20+00:00","summary":"RIPE NCC delegated statistics 2023-03-08 (produced 2023-03-08T22:59:59+00:00), after the change: reserved"}]},{"event_id":"a4cead07e060119a","registry":"RIPE NCC","report_date":"2019-03-25","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv6","resource":"2001:67c:c4::/48","start":"2001:67c:c4::","end":"2001:67c:c4: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 RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:41+00:00","page":"https://rirtracker.com/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff/#e-a4cead07e060119a","report_page":"https://rirtracker.com/ripe/reports/2019-03-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:67c:c4::/48 available on 2019-03-24, assigned on 2019-03-25","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2019-03-24 and assigned (dated 2019-03-25) on 2019-03-25. The tracker saw this range removed from registration on 2018-09-25 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2019-03-24: Released 2001:67c:c4::/46), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190325.bz2","retrieved_at":"2026-10-12T22:06:53+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2001:67c:c4::/48 available on 2019-03-24, assigned on 2019-03-25"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190324.bz2","retrieved_at":"2026-10-12T22:06:50+00:00","summary":"RIPE NCC delegated statistics 2019-03-24 (produced 2019-03-24T22:59:59+00:00), before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190325.bz2","retrieved_at":"2026-10-12T22:06:53+00:00","summary":"RIPE NCC delegated statistics 2019-03-25 (produced 2019-03-25T22:59:59+00:00), after the change: assigned (dated 2019-03-25)"}]},{"event_id":"9b182bf9b6b8a715","registry":"RIPE NCC","report_date":"2018-09-25","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv6","resource":"2001:67c:c4::/48","start":"2001:67c:c4::","end":"2001:67c:c4: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":"2026-10-14T00:04:51+00:00","page":"https://rirtracker.com/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff/#e-9b182bf9b6b8a715","report_page":"https://rirtracker.com/ripe/reports/2018-09-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.67c.c4..-2001.67c.c4.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:67c:c4::/48 assigned on 2018-09-24, reserved on 2018-09-25","hold":{"hold_rule_source_url":"https://www.ripe.net/manage-ips-and-asns/resource-management/quarantine-for-returned-internet-number-resources","hold_rule_days":180,"estimated_hold_end":"2019-03-24","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2009-12-01) on 2018-09-24 and reserved on 2018-09-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2019-03-24. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20180925.bz2","retrieved_at":"2026-10-12T21:54:07+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2001:67c:c4::/48 assigned on 2018-09-24, reserved on 2018-09-25"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20180924.bz2","retrieved_at":"2026-10-12T21:54:04+00:00","summary":"RIPE NCC delegated statistics 2018-09-24 (produced 2018-09-24T21:59:59+00:00), before the change: assigned (dated 2009-12-01)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20180925.bz2","retrieved_at":"2026-10-12T21:54:07+00:00","summary":"RIPE NCC delegated statistics 2018-09-25 (produced 2018-09-25T21:59:59+00:00), after the change: reserved"}]}],"classification_history":{"676a257bde4a516e":[{"raw_change_id":489180,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T06:19:52+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2023-09-04 and assigned (dated 2023-09-05) on 2023-09-05. The tracker saw this range removed from registration on 2023-03-08 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2023-09-04: Released 2001:67c:c4::/46), so the before-and-after statistics may include it."},{"raw_change_id":489180,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:24:13+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2023-09-04 and assigned (dated 2023-09-05) on 2023-09-05. The tracker saw this range removed from registration on 2023-03-08 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2023-09-04: Released 2001:67c:c4::/46), so the before-and-after statistics may include it."},{"raw_change_id":489180,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:08:24+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2023-09-04 and assigned (dated 2023-09-05) on 2023-09-05. The tracker saw this range removed from registration on 2023-03-08 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2023-09-04: Released 2001:67c:c4::/46), so the before-and-after statistics may include it."},{"raw_change_id":489180,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:53+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2023-09-04 and assigned (dated 2023-09-05) on 2023-09-05. The tracker saw this range removed from registration on 2023-03-08 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2023-09-04: Released 2001:67c:c4::/46), so the before-and-after statistics may include it."}],"5f934ada4eeb60ee":[{"raw_change_id":478004,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:13:06+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2019-03-25) on 2023-03-07 and reserved on 2023-03-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2023-09-04. This does not confirm availability."},{"raw_change_id":478004,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:36+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2019-03-25) on 2023-03-07 and reserved on 2023-03-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2023-09-04. This does not confirm availability."},{"raw_change_id":478004,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:44+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2019-03-25) on 2023-03-07 and reserved on 2023-03-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2023-09-04. This does not confirm availability."},{"raw_change_id":478004,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:05+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2019-03-25) on 2023-03-07 and reserved on 2023-03-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2023-09-04. This does not confirm availability."}],"a4cead07e060119a":[{"raw_change_id":375748,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:30:32+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2019-03-24 and assigned (dated 2019-03-25) on 2019-03-25. The tracker saw this range removed from registration on 2018-09-25 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2019-03-24: Released 2001:67c:c4::/46), so the before-and-after statistics may include it."},{"raw_change_id":375748,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:34+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2019-03-24 and assigned (dated 2019-03-25) on 2019-03-25. The tracker saw this range removed from registration on 2018-09-25 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2019-03-24: Released 2001:67c:c4::/46), so the before-and-after statistics may include it."},{"raw_change_id":375748,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:16+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2019-03-24 and assigned (dated 2019-03-25) on 2019-03-25. The tracker saw this range removed from registration on 2018-09-25 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2019-03-24: Released 2001:67c:c4::/46), so the before-and-after statistics may include it."},{"raw_change_id":375748,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:41+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2019-03-24 and assigned (dated 2019-03-25) on 2019-03-25. The tracker saw this range removed from registration on 2018-09-25 (2001:67c:c4::/48), so it appears to have been issued again from the RIPE NCC's pool. Another change to this range was reported the day before or after (2019-03-24: Released 2001:67c:c4::/46), so the before-and-after statistics may include it."}],"9b182bf9b6b8a715":[{"raw_change_id":362205,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:24:54+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2009-12-01) on 2018-09-24 and reserved on 2018-09-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2019-03-24. This does not confirm availability."},{"raw_change_id":362205,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:53+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2009-12-01) on 2018-09-24 and reserved on 2018-09-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2019-03-24. This does not confirm availability."},{"raw_change_id":362205,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:31+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2009-12-01) on 2018-09-24 and reserved on 2018-09-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2019-03-24. This does not confirm availability."},{"raw_change_id":362205,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:51+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2009-12-01) on 2018-09-24 and reserved on 2018-09-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv6 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2019-03-24. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}