{"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":"2607:a100::/28","resource_type":"ipv6","page":"https://rirtracker.com/ip/2607.a100..-2607.a10f.ffff.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2026-06-24), reserved"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":10933,"date":"2017-09-19T17:29:06Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Epic Up.com","recipient_org":"EpicUp.com","range":"2607:a100::/28","log":"ARIN"}],"events":[{"event_id":"02204faf46dc3aba","registry":"ARIN","report_date":"2025-12-24","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 2607:A100::-2607:A10F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2607:a100::/28","start":"2607:a100::","end":"2607:a10f:ffff: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":"2026-10-13T23:54:42+00:00","page":"https://rirtracker.com/ip/2607.a100..-2607.a10f.ffff.ffff.ffff.ffff.ffff.ffff/#e-02204faf46dc3aba","report_page":"https://rirtracker.com/arin/reports/2025-12-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2607.a100..-2607.a10f.ffff.ffff.ffff.ffff.ffff.ffff.json","explanation":"ARIN's statistics show it reserved on 2025-12-23 and available on 2025-12-25. 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 2022-01-25, 1429 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/2025-December/006220.html","retrieved_at":"2026-10-12T18:43:16+00:00","summary":"ARIN-Issued report for 2025-12-24: \"Remove 2607:A100::-2607:A10F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251223.gz","retrieved_at":"2026-10-13T00:12:13+00:00","summary":"ARIN delegated statistics 2025-12-23 (produced 2025-12-23T14:00:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251225.gz","retrieved_at":"2026-10-13T00:12:18+00:00","summary":"ARIN delegated statistics 2025-12-25 (produced 2025-12-25T14:00:48+00:00), after the report: available"}]},{"event_id":"00d60132a00f1411","registry":"ARIN","report_date":"2022-01-25","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv6","resource":"2607:a100::/28","start":"2607:a100::","end":"2607:a10f: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":"2026-10-14T00:08:55+00:00","page":"https://rirtracker.com/ip/2607.a100..-2607.a10f.ffff.ffff.ffff.ffff.ffff.ffff/#e-00d60132a00f1411","report_page":"https://rirtracker.com/arin/reports/2022-01-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2607.a100..-2607.a10f.ffff.ffff.ffff.ffff.ffff.ffff.json","observed":"2607:a100::/28 allocated on 2022-01-25, reserved on 2022-01-26","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":"2022-07-25","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 2012-06-11) on 2022-01-24 and reserved on 2022-01-26. 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 2022-07-25. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220126.gz","retrieved_at":"2026-10-12T22:55:54+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 2607:a100::/28 allocated on 2022-01-25, reserved on 2022-01-26"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220124.gz","retrieved_at":"2026-10-12T22:55:49+00:00","summary":"ARIN delegated statistics 2022-01-24 (produced 2022-01-24T14:00:10+00:00), before the report: allocated (dated 2012-06-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220126.gz","retrieved_at":"2026-10-12T22:55:54+00:00","summary":"ARIN delegated statistics 2022-01-26 (produced 2022-01-26T14:00:10+00:00), after the report: reserved"}]},{"event_id":"625b2eef6657d37e","registry":"ARIN","report_date":"2017-09-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv6","resource":"2607:a100::/28","start":"2607:a100::","end":"2607:a10f:ffff:ffff:ffff:ffff:ffff:ffff","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Epic Up.com","recipient_organization":"EpicUp.com","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","page":"https://rirtracker.com/ip/2607.a100..-2607.a10f.ffff.ffff.ffff.ffff.ffff.ffff/#e-625b2eef6657d37e","report_page":"https://rirtracker.com/arin/reports/2017-09-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2607.a100..-2607.a10f.ffff.ffff.ffff.ffff.ffff.ffff.json","observed":"Merger/acquisition: Epic Up.com (ARIN) to EpicUp.com (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Epic Up.com (ARIN) to EpicUp.com (ARIN) on 2017-09-19 17:29 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2017-09-19 17:29 UTC, Epic Up.com (ARIN) to EpicUp.com (ARIN); resources moved: 2607:a100::/28"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170918.gz","retrieved_at":"2026-10-12T21:34:32+00:00","summary":"ARIN delegated statistics 2017-09-18 (produced 2017-09-18T05:11:45+00:00), before the report: allocated (dated 2012-06-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170920.gz","retrieved_at":"2026-10-12T21:34:37+00:00","summary":"ARIN delegated statistics 2017-09-20 (produced 2017-09-20T05:10:46+00:00), after the report: allocated (dated 2012-06-11)"}]}],"classification_history":{"02204faf46dc3aba":[{"raw_change_id":198475,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:08:58+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-12-23 and available on 2025-12-25. 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 2022-01-25, 1429 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":198475,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:11+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-12-23 and available on 2025-12-25. 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 2022-01-25, 1429 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":198475,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:07+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-12-23 and available on 2025-12-25. 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 2022-01-25, 1429 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":198475,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:42+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2025-12-23 and available on 2025-12-25. 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 2022-01-25, 1429 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."}],"00d60132a00f1411":[{"raw_change_id":423176,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:49:24+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 2012-06-11) on 2022-01-24 and reserved on 2022-01-26. 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 2022-07-25. This does not confirm availability."},{"raw_change_id":423176,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:15+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 2012-06-11) on 2022-01-24 and reserved on 2022-01-26. 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 2022-07-25. This does not confirm availability."},{"raw_change_id":423176,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:09+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 2012-06-11) on 2022-01-24 and reserved on 2022-01-26. 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 2022-07-25. This does not confirm availability."},{"raw_change_id":423176,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:55+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 2012-06-11) on 2022-01-24 and reserved on 2022-01-26. 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 2022-07-25. This does not confirm availability."}],"625b2eef6657d37e":[{"raw_change_id":553121,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Epic Up.com (ARIN) to EpicUp.com (ARIN) on 2017-09-19 17:29 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"allocated (dated 2026-06-24), reserved"}}