{"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":"173.0.4.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/173.0.4.0-173.0.7.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-04-04)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"d10beb09254d0555","registry":"ARIN","report_date":"2025-04-04","source":"arin_issued","raw_action":"ADD","raw_line":"Add 173.0.4.0-173.0.7.255","resource_type":"ipv4","resource":"173.0.4.0/22","start":"173.0.4.0","end":"173.0.7.255","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":"2026-10-13T23:54:26+00:00","page":"https://rirtracker.com/ip/173.0.4.0-173.0.7.255/#e-d10beb09254d0555","report_page":"https://rirtracker.com/arin/reports/2025-04-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.0.4.0-173.0.7.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. The tracker saw this range released from hold on 2025-04-03 (173.0.4.0-173.0.7.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-April/005956.html","retrieved_at":"2026-10-12T18:42:59+00:00","summary":"ARIN-Issued report for 2025-04-04: \"Add 173.0.4.0-173.0.7.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250403.gz","retrieved_at":"2026-10-12T23:57:24+00:00","summary":"ARIN delegated statistics 2025-04-03 (produced 2025-04-03T13:01:13+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250405.gz","retrieved_at":"2026-10-12T23:57:41+00:00","summary":"ARIN delegated statistics 2025-04-05 (produced 2025-04-05T13:01:10+00:00), after the report: allocated (dated 2025-04-04)"}]},{"event_id":"871bc2d5669fa51b","registry":"ARIN","report_date":"2025-04-04","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 173.0.4.0-173.0.7.255","resource_type":"ipv4","resource":"173.0.4.0/22","start":"173.0.4.0","end":"173.0.7.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:26+00:00","page":"https://rirtracker.com/ip/173.0.4.0-173.0.7.255/#e-871bc2d5669fa51b","report_page":"https://rirtracker.com/arin/reports/2025-04-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.0.4.0-173.0.7.255.json","explanation":"ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-April/005956.html","retrieved_at":"2026-10-12T18:42:59+00:00","summary":"ARIN-Issued report for 2025-04-04: \"Remove 173.0.4.0-173.0.7.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250403.gz","retrieved_at":"2026-10-12T23:57:24+00:00","summary":"ARIN delegated statistics 2025-04-03 (produced 2025-04-03T13:01:13+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250405.gz","retrieved_at":"2026-10-12T23:57:41+00:00","summary":"ARIN delegated statistics 2025-04-05 (produced 2025-04-05T13:01:10+00:00), after the report: allocated (dated 2025-04-04)"}]},{"event_id":"9ed84d4c8af5ec02","registry":"ARIN","report_date":"2025-04-03","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 173.0.4.0-173.0.7.255","resource_type":"ipv4","resource":"173.0.4.0/22","start":"173.0.4.0","end":"173.0.7.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","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":"2026-10-13T23:54:26+00:00","page":"https://rirtracker.com/ip/173.0.4.0-173.0.7.255/#e-9ed84d4c8af5ec02","report_page":"https://rirtracker.com/arin/reports/2025-04-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.0.4.0-173.0.7.255.json","explanation":"ARIN's statistics show it reserved on 2025-04-02 and allocated (dated 2025-04-04) on 2025-04-04. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2025-04-04: Remove 173.0.4.0-173.0.7.255; 2025-04-04: Add 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-April/005955.html","retrieved_at":"2026-10-12T18:42:59+00:00","summary":"ARIN-Issued report for 2025-04-03: \"Remove 173.0.4.0-173.0.7.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250402.gz","retrieved_at":"2026-10-12T23:57:21+00:00","summary":"ARIN delegated statistics 2025-04-02 (produced 2025-04-02T13:01:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250404.gz","retrieved_at":"2026-10-12T23:57:38+00:00","summary":"ARIN delegated statistics 2025-04-04 (produced 2025-04-04T13:01:09+00:00), after the report: allocated (dated 2025-04-04)"}]},{"event_id":"5450622da58893c0","registry":"ARIN","report_date":"2024-07-08","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"173.0.4.0/22","start":"173.0.4.0","end":"173.0.7.255","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":"2026-10-14T00:12:09+00:00","page":"https://rirtracker.com/ip/173.0.4.0-173.0.7.255/#e-5450622da58893c0","report_page":"https://rirtracker.com/arin/reports/2024-07-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.0.4.0-173.0.7.255.json","observed":"173.0.4.0/22 allocated on 2024-07-08, reserved on 2024-07-09","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2024-09-06","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 2022-02-25) on 2024-07-07 and reserved on 2024-07-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2024-09-06. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240709.gz","retrieved_at":"2026-10-12T23:42:59+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 173.0.4.0/22 allocated on 2024-07-08, reserved on 2024-07-09"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240707.gz","retrieved_at":"2026-10-12T23:42:53+00:00","summary":"ARIN delegated statistics 2024-07-07 (produced 2024-07-07T13:00:44+00:00), before the report: allocated (dated 2022-02-25)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240709.gz","retrieved_at":"2026-10-12T23:42:59+00:00","summary":"ARIN delegated statistics 2024-07-09 (produced 2024-07-09T13:00:45+00:00), after the report: reserved"}]},{"event_id":"2d5b0ea2faf59bfb","registry":"ARIN","report_date":"2022-02-25","source":"arin_issued","raw_action":"ADD","raw_line":"Add 173.0.4.0-173.0.7.255","resource_type":"ipv4","resource":"173.0.4.0/22","start":"173.0.4.0","end":"173.0.7.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","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":"2026-10-13T23:53:20+00:00","page":"https://rirtracker.com/ip/173.0.4.0-173.0.7.255/#e-2d5b0ea2faf59bfb","report_page":"https://rirtracker.com/arin/reports/2022-02-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.0.4.0-173.0.7.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. The tracker saw this range released from hold on 2022-01-05 (173.0.0.0-173.0.15.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-February/004823.html","retrieved_at":"2026-10-12T18:41:38+00:00","summary":"ARIN-Issued report for 2022-02-25: \"Add 173.0.4.0-173.0.7.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220224.gz","retrieved_at":"2026-10-12T22:57:21+00:00","summary":"ARIN delegated statistics 2022-02-24 (produced 2022-02-24T14:00:11+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220226.gz","retrieved_at":"2026-10-12T22:57:34+00:00","summary":"ARIN delegated statistics 2022-02-26 (produced 2022-02-26T14:00:11+00:00), after the report: allocated (dated 2022-02-25)"}]},{"event_id":"0b80fe6b48820b55","registry":"ARIN","report_date":"2022-02-25","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 173.0.4.0-173.0.7.255","resource_type":"ipv4","resource":"173.0.4.0/22","start":"173.0.4.0","end":"173.0.7.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:20+00:00","page":"https://rirtracker.com/ip/173.0.4.0-173.0.7.255/#e-0b80fe6b48820b55","report_page":"https://rirtracker.com/arin/reports/2022-02-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.0.4.0-173.0.7.255.json","explanation":"ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-February/004823.html","retrieved_at":"2026-10-12T18:41:38+00:00","summary":"ARIN-Issued report for 2022-02-25: \"Remove 173.0.4.0-173.0.7.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220224.gz","retrieved_at":"2026-10-12T22:57:21+00:00","summary":"ARIN delegated statistics 2022-02-24 (produced 2022-02-24T14:00:11+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220226.gz","retrieved_at":"2026-10-12T22:57:34+00:00","summary":"ARIN delegated statistics 2022-02-26 (produced 2022-02-26T14:00:11+00:00), after the report: allocated (dated 2022-02-25)"}]}],"classification_history":{"d10beb09254d0555":[{"raw_change_id":193559,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:06:24+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. The tracker saw this range released from hold on 2025-04-03 (173.0.4.0-173.0.7.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193559,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:59+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. The tracker saw this range released from hold on 2025-04-03 (173.0.4.0-173.0.7.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193559,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:53+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. The tracker saw this range released from hold on 2025-04-03 (173.0.4.0-173.0.7.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193559,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:26+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. The tracker saw this range released from hold on 2025-04-03 (173.0.4.0-173.0.7.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."}],"871bc2d5669fa51b":[{"raw_change_id":193547,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:06:23+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193547,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:59+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193547,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:53+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193547,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:26+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2025-04-03 and allocated (dated 2025-04-04) on 2025-04-05. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2025-04-03: Remove 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."}],"9ed84d4c8af5ec02":[{"raw_change_id":193441,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:06:18+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-04-02 and allocated (dated 2025-04-04) on 2025-04-04. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2025-04-04: Remove 173.0.4.0-173.0.7.255; 2025-04-04: Add 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193441,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:59+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-04-02 and allocated (dated 2025-04-04) on 2025-04-04. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2025-04-04: Remove 173.0.4.0-173.0.7.255; 2025-04-04: Add 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193441,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:53+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-04-02 and allocated (dated 2025-04-04) on 2025-04-04. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2025-04-04: Remove 173.0.4.0-173.0.7.255; 2025-04-04: Add 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."},{"raw_change_id":193441,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:26+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2025-04-02 and allocated (dated 2025-04-04) on 2025-04-04. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2025-04-04: Remove 173.0.4.0-173.0.7.255; 2025-04-04: Add 173.0.4.0-173.0.7.255), so the before-and-after statistics may include it."}],"5450622da58893c0":[{"raw_change_id":467152,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:08:35+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 2022-02-25) on 2024-07-07 and reserved on 2024-07-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2024-09-06. This does not confirm availability."},{"raw_change_id":467152,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:53+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 2022-02-25) on 2024-07-07 and reserved on 2024-07-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2024-09-06. This does not confirm availability."},{"raw_change_id":467152,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:58+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 2022-02-25) on 2024-07-07 and reserved on 2024-07-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2024-09-06. This does not confirm availability."},{"raw_change_id":467152,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:12:09+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 2022-02-25) on 2024-07-07 and reserved on 2024-07-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2024-09-06. This does not confirm availability."}],"2d5b0ea2faf59bfb":[{"raw_change_id":175439,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:55:15+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. The tracker saw this range released from hold on 2022-01-05 (173.0.0.0-173.0.15.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":175439,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:11+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. The tracker saw this range released from hold on 2022-01-05 (173.0.0.0-173.0.15.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":175439,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:59+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. The tracker saw this range released from hold on 2022-01-05 (173.0.0.0-173.0.15.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":175439,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:20+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. The tracker saw this range released from hold on 2022-01-05 (173.0.0.0-173.0.15.255), so it appears to have been issued again from ARIN's pool."}],"0b80fe6b48820b55":[{"raw_change_id":175431,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:55:15+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line."},{"raw_change_id":175431,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:11+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line."},{"raw_change_id":175431,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:59+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line."},{"raw_change_id":175431,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:20+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2022-02-24 and allocated (dated 2022-02-25) on 2022-02-26. ARIN removed its own pool record for this range as part of issuing it: the same report adds 173.0.4.0-173.0.7.255. The issuance is explained on that line."}]},"arin_statistics_now":{"status":"allocated (dated 2025-04-04)"}}