{"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":"2001:5::/32","resource_type":"ipv6","page":"https://rirtracker.com/ip/2001.5..-2001.5.ffff.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"RIPE NCC","status":"not listed"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"49ef69faf30cee99","registry":"RIPE NCC","report_date":"2019-09-11","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv6","resource":"2001:5::/32","start":"2001:5::","end":"2001:5:ffff:ffff:ffff:ffff:ffff:ffff","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"OBSERVED_ONLY","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":"2026-10-14T00:06:33+00:00","page":"https://rirtracker.com/ip/2001.5..-2001.5.ffff.ffff.ffff.ffff.ffff.ffff/#e-49ef69faf30cee99","report_page":"https://rirtracker.com/ripe/reports/2019-09-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.5..-2001.5.ffff.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:5::/32 allocated on 2019-09-10, not listed on 2019-09-11","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":"2020-03-09","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 allocated (dated 2016-11-15) on 2019-09-10 and not listed on 2019-09-11. Being gone from the RIPE NCC's statistics entirely can also mean it moved to another registry. 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 2020-03-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190911.bz2","retrieved_at":"2026-10-12T22:18:56+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2001:5::/32 allocated on 2019-09-10, not listed on 2019-09-11"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190910.bz2","retrieved_at":"2026-10-12T22:18:53+00:00","summary":"RIPE NCC delegated statistics 2019-09-10 (produced 2019-09-10T21:59:59+00:00), before the change: allocated (dated 2016-11-15)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190911.bz2","retrieved_at":"2026-10-12T22:18:56+00:00","summary":"RIPE NCC delegated statistics 2019-09-11 (produced 2019-09-11T21:59:59+00:00), after the change: not listed"}]},{"event_id":"60cc74c04eebe8ab","registry":"RIPE NCC","report_date":"2016-11-15","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv6","resource":"2001:5::/32","start":"2001:5::","end":"2001:5:ffff:ffff:ffff:ffff:ffff:ffff","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:51+00:00","page":"https://rirtracker.com/ip/2001.5..-2001.5.ffff.ffff.ffff.ffff.ffff.ffff/#e-60cc74c04eebe8ab","report_page":"https://rirtracker.com/ripe/reports/2016-11-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.5..-2001.5.ffff.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:5::/32 not listed on 2016-11-14, allocated on 2016-11-15","explanation":"No transfer record matches. The RIPE NCC's statistics show it not listed on 2016-11-14 and allocated (dated 2016-11-15) on 2016-11-15. It wasn't in the RIPE NCC's statistics before, so it wasn't the RIPE NCC's unissued inventory; it may have come from another registry in a transfer not yet in the log.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2016/delegated-ripencc-extended-20161115.bz2","retrieved_at":"2026-10-12T21:08:08+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2001:5::/32 not listed on 2016-11-14, allocated on 2016-11-15"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2016/delegated-ripencc-extended-20161114.bz2","retrieved_at":"2026-10-12T21:07:51+00:00","summary":"RIPE NCC delegated statistics 2016-11-14 (produced 2016-11-14T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2016/delegated-ripencc-extended-20161115.bz2","retrieved_at":"2026-10-12T21:08:08+00:00","summary":"RIPE NCC delegated statistics 2016-11-15 (produced 2016-11-15T22:59:59+00:00), after the change: allocated (dated 2016-11-15)"}]}],"classification_history":{"49ef69faf30cee99":[{"raw_change_id":389411,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:34:46+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 allocated (dated 2016-11-15) on 2019-09-10 and not listed on 2019-09-11. Being gone from the RIPE NCC's statistics entirely can also mean it moved to another registry. 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 2020-03-09. This does not confirm availability."},{"raw_change_id":389411,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:19+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 allocated (dated 2016-11-15) on 2019-09-10 and not listed on 2019-09-11. Being gone from the RIPE NCC's statistics entirely can also mean it moved to another registry. 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 2020-03-09. This does not confirm availability."},{"raw_change_id":389411,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:04+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 allocated (dated 2016-11-15) on 2019-09-10 and not listed on 2019-09-11. Being gone from the RIPE NCC's statistics entirely can also mean it moved to another registry. 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 2020-03-09. This does not confirm availability."},{"raw_change_id":389411,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:33+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 allocated (dated 2016-11-15) on 2019-09-10 and not listed on 2019-09-11. Being gone from the RIPE NCC's statistics entirely can also mean it moved to another registry. 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 2020-03-09. This does not confirm availability."}],"60cc74c04eebe8ab":[{"raw_change_id":316202,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:03:06+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it not listed on 2016-11-14 and allocated (dated 2016-11-15) on 2016-11-15. It wasn't in the RIPE NCC's statistics before, so it wasn't the RIPE NCC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":316202,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:24+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it not listed on 2016-11-14 and allocated (dated 2016-11-15) on 2016-11-15. It wasn't in the RIPE NCC's statistics before, so it wasn't the RIPE NCC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":316202,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:50+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it not listed on 2016-11-14 and allocated (dated 2016-11-15) on 2016-11-15. It wasn't in the RIPE NCC's statistics before, so it wasn't the RIPE NCC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":316202,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:51+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it not listed on 2016-11-14 and allocated (dated 2016-11-15) on 2016-11-15. It wasn't in the RIPE NCC's statistics before, so it wasn't the RIPE NCC's unissued inventory; it may have come from another registry in a transfer not yet in the log."}]},"arin_statistics_now":{"status":"not listed"}}