{"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":"2a01:4c0::/32","resource_type":"ipv6","page":"https://rirtracker.com/ip/2a01.4c0..-2a01.4c0.ffff.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"RIPE NCC","status":"available"},"current_holder":{"rir":"RIPE NCC","org":null,"how":"The RIPE NCC's latest statistics"},"rdap_snapshots":[],"transfers":[{"id":83007,"date":"2021-11-18T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"WIS Telecom SA","recipient_org":"WIS TELECOM S.R.L.","range":"2a01:4c0::/32","log":"RIPE NCC"}],"events":[{"event_id":"bfb18bb2d70d6d9a","registry":"RIPE NCC","report_date":"2024-07-11","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv6","resource":"2a01:4c0::/32","start":"2a01:4c0::","end":"2a01:4c0: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":"2026-10-14T00:15:02+00:00","page":"https://rirtracker.com/ip/2a01.4c0..-2a01.4c0.ffff.ffff.ffff.ffff.ffff.ffff/#e-bfb18bb2d70d6d9a","report_page":"https://rirtracker.com/ripe/reports/2024-07-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2a01.4c0..-2a01.4c0.ffff.ffff.ffff.ffff.ffff.ffff.json","observed":"2a01:4c0::/32 allocated on 2024-07-10, reserved on 2024-07-11","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":"2025-01-07","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 2007-09-20) on 2024-07-10 and reserved on 2024-07-11. 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 2025-01-07. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240711.bz2","retrieved_at":"2026-10-13T00:35:01+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2a01:4c0::/32 allocated on 2024-07-10, reserved on 2024-07-11"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240710.bz2","retrieved_at":"2026-10-13T00:34:58+00:00","summary":"RIPE NCC delegated statistics 2024-07-10 (produced 2024-07-10T21:59:59+00:00), before the change: allocated (dated 2007-09-20)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240711.bz2","retrieved_at":"2026-10-13T00:35:01+00:00","summary":"RIPE NCC delegated statistics 2024-07-11 (produced 2024-07-11T21:59:59+00:00), after the change: reserved"}]},{"event_id":"f59b99268aeb1769","registry":"RIPE NCC","report_date":"2021-11-18","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv6","resource":"2a01:4c0::/32","start":"2a01:4c0::","end":"2a01:4c0:ffff:ffff:ffff:ffff:ffff:ffff","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"WIS Telecom SA","recipient_organization":"WIS TELECOM S.R.L.","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:51+00:00","page":"https://rirtracker.com/ip/2a01.4c0..-2a01.4c0.ffff.ffff.ffff.ffff.ffff.ffff/#e-f59b99268aeb1769","report_page":"https://rirtracker.com/ripe/reports/2021-11-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2a01.4c0..-2a01.4c0.ffff.ffff.ffff.ffff.ffff.ffff.json","observed":"Merger/acquisition: WIS Telecom SA (RIPE NCC) to WIS TELECOM S.R.L. (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from WIS Telecom SA (RIPE NCC) to WIS TELECOM S.R.L. (RIPE NCC) on 2021-11-18 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2021-11-18 19:00 UTC, WIS Telecom SA (RIPE NCC) to WIS TELECOM S.R.L. (RIPE NCC); resources moved: 2a01:4c0::/32"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20211117.bz2","retrieved_at":"2026-10-12T23:21:35+00:00","summary":"RIPE NCC delegated statistics 2021-11-17 (produced 2021-11-17T22:59:00+00:00), before the change: allocated (dated 2007-09-20)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20211118.bz2","retrieved_at":"2026-10-12T23:21:38+00:00","summary":"RIPE NCC delegated statistics 2021-11-18 (produced 2021-11-18T22:59:00+00:00), after the change: allocated (dated 2007-09-20)"}]}],"classification_history":{"bfb18bb2d70d6d9a":[{"raw_change_id":504971,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:27:12+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 2007-09-20) on 2024-07-10 and reserved on 2024-07-11. 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 2025-01-07. This does not confirm availability."},{"raw_change_id":504971,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:25:11+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 2007-09-20) on 2024-07-10 and reserved on 2024-07-11. 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 2025-01-07. This does not confirm availability."},{"raw_change_id":504971,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:09:27+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 2007-09-20) on 2024-07-10 and reserved on 2024-07-11. 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 2025-01-07. This does not confirm availability."},{"raw_change_id":504971,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:15:02+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 2007-09-20) on 2024-07-10 and reserved on 2024-07-11. 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 2025-01-07. This does not confirm availability."}],"f59b99268aeb1769":[{"raw_change_id":83227,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:55:34+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from WIS Telecom SA (RIPE NCC) to WIS TELECOM S.R.L. (RIPE NCC) on 2021-11-18 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":83227,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:44+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from WIS Telecom SA (RIPE NCC) to WIS TELECOM S.R.L. (RIPE NCC) on 2021-11-18 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":83227,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:46:07+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from WIS Telecom SA (RIPE NCC) to WIS TELECOM S.R.L. (RIPE NCC) on 2021-11-18 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":83227,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:51+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from WIS Telecom SA (RIPE NCC) to WIS TELECOM S.R.L. (RIPE NCC) on 2021-11-18 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}