{"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":"167.88.208.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/167.88.208.0-167.88.223.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-02-28)"},"current_holder":{"rir":"ARIN","org":"Core Transit LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":39108,"date":"2025-02-28T18:20:07Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"PDM Net","recipient_org":"Core Transit LLC","range":"167.88.208.0/20","log":"ARIN"}],"events":[{"event_id":"c05fb73ba16b90a7","registry":"ARIN","report_date":"2025-02-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add 167.88.208.0-167.88.223.255","resource_type":"ipv4","resource":"167.88.208.0/20","start":"167.88.208.0","end":"167.88.223.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"PDM Net","recipient_organization":"Core Transit LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:23+00:00","page":"https://rirtracker.com/ip/167.88.208.0-167.88.223.255/#e-c05fb73ba16b90a7","report_page":"https://rirtracker.com/arin/reports/2025-02-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/167.88.208.0-167.88.223.255.json","explanation":"ARIN's transfer log records a transfer from PDM Net (ARIN) to Core Transit LLC (ARIN) on 2025-02-28 18:20 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-February/005921.html","retrieved_at":"2026-10-12T18:42:54+00:00","summary":"ARIN-Issued report for 2025-02-28: \"Add 167.88.208.0-167.88.223.255\""},{"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: RESOURCE_TRANSFER on 2025-02-28 18:20 UTC, PDM Net (ARIN) to Core Transit LLC (ARIN); resources moved: 167.88.208.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250227.gz","retrieved_at":"2026-10-12T23:55:33+00:00","summary":"ARIN delegated statistics 2025-02-27 (produced 2025-02-27T14:01:07+00:00), before the report: allocated (dated 2014-04-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250301.gz","retrieved_at":"2026-10-12T23:55:38+00:00","summary":"ARIN delegated statistics 2025-03-01 (produced 2025-03-01T14:01:05+00:00), after the report: allocated (dated 2025-02-28)"}]},{"event_id":"003bfc8796d49424","registry":"ARIN","report_date":"2023-09-04","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"167.88.208.0/20","start":"167.88.208.0","end":"167.88.223.255","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":"2026-10-14T00:11:02+00:00","page":"https://rirtracker.com/ip/167.88.208.0-167.88.223.255/#e-003bfc8796d49424","report_page":"https://rirtracker.com/arin/reports/2023-09-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/167.88.208.0-167.88.223.255.json","observed":"167.88.208.0/20 allocated on 2023-09-04, reserved on 2023-09-05","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":"2023-11-03","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 2014-04-11) on 2023-09-03 and reserved on 2023-09-05. 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 2023-11-03. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230905.gz","retrieved_at":"2026-10-12T23:26:30+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 167.88.208.0/20 allocated on 2023-09-04, reserved on 2023-09-05"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230903.gz","retrieved_at":"2026-10-12T23:26:26+00:00","summary":"ARIN delegated statistics 2023-09-03 (produced 2023-09-03T13:00:15+00:00), before the report: allocated (dated 2014-04-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230905.gz","retrieved_at":"2026-10-12T23:26:30+00:00","summary":"ARIN delegated statistics 2023-09-05 (produced 2023-09-05T13:00:12+00:00), after the report: reserved"}]},{"event_id":"a9a8d10af942fc63","registry":"ARIN","report_date":"2014-04-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add 167.88.208.0-167.88.223.255","resource_type":"ipv4","resource":"167.88.208.0/20","start":"167.88.208.0","end":"167.88.223.255","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":"2026-10-13T23:51:11+00:00","page":"https://rirtracker.com/ip/167.88.208.0-167.88.223.255/#e-a9a8d10af942fc63","report_page":"https://rirtracker.com/arin/reports/2014-04-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/167.88.208.0-167.88.223.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-04-10 and allocated (dated 2014-04-11) on 2014-04-12. The tracker saw this range released from hold on 2014-01-22 (167.88.0.0-167.88.255.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-April/001949.html","retrieved_at":"2026-10-12T18:38:20+00:00","summary":"ARIN-Issued report for 2014-04-11: \"Add 167.88.208.0-167.88.223.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140410.gz","retrieved_at":"2026-10-12T20:14:32+00:00","summary":"ARIN delegated statistics 2014-04-10 (produced 2014-04-10T05:04:54+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140412.gz","retrieved_at":"2026-10-12T20:14:37+00:00","summary":"ARIN delegated statistics 2014-04-12 (produced 2014-04-12T05:05:07+00:00), after the report: allocated (dated 2014-04-11)"}]}],"classification_history":{"c05fb73ba16b90a7":[{"raw_change_id":192689,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:05:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from PDM Net (ARIN) to Core Transit LLC (ARIN) on 2025-02-28 18:20 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192689,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:57+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from PDM Net (ARIN) to Core Transit LLC (ARIN) on 2025-02-28 18:20 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192689,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from PDM Net (ARIN) to Core Transit LLC (ARIN) on 2025-02-28 18:20 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192689,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:23+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from PDM Net (ARIN) to Core Transit LLC (ARIN) on 2025-02-28 18:20 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"003bfc8796d49424":[{"raw_change_id":453370,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:02:42+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 2014-04-11) on 2023-09-03 and reserved on 2023-09-05. 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 2023-11-03. This does not confirm availability."},{"raw_change_id":453370,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:00+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 2014-04-11) on 2023-09-03 and reserved on 2023-09-05. 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 2023-11-03. This does not confirm availability."},{"raw_change_id":453370,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:02+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 2014-04-11) on 2023-09-03 and reserved on 2023-09-05. 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 2023-11-03. This does not confirm availability."},{"raw_change_id":453370,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:02+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 2014-04-11) on 2023-09-03 and reserved on 2023-09-05. 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 2023-11-03. This does not confirm availability."}],"a9a8d10af942fc63":[{"raw_change_id":131953,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:24:14+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-04-10 and allocated (dated 2014-04-11) on 2014-04-12. The tracker saw this range released from hold on 2014-01-22 (167.88.0.0-167.88.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131953,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:33+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-04-10 and allocated (dated 2014-04-11) on 2014-04-12. The tracker saw this range released from hold on 2014-01-22 (167.88.0.0-167.88.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131953,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:09+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-04-10 and allocated (dated 2014-04-11) on 2014-04-12. The tracker saw this range released from hold on 2014-01-22 (167.88.0.0-167.88.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131953,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:11+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-04-10 and allocated (dated 2014-04-11) on 2014-04-12. The tracker saw this range released from hold on 2014-01-22 (167.88.0.0-167.88.255.255), so it appears to have been issued again from ARIN's pool."}]},"arin_statistics_now":{"status":"allocated (dated 2025-02-28)"}}