{"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":"66.98.112.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.98.112.0-66.98.127.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2017-11-27)"},"current_holder":{"rir":"ARIN","org":"Cluster Logic Inc","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":11491,"date":"2017-11-27T15:25:47Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Ferric Systems, LLC","recipient_org":"Cluster Logic Inc","range":"66.98.112.0/20","log":"ARIN"}],"events":[{"event_id":"fe016b2679aaac97","registry":"ARIN","report_date":"2017-11-27","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.98.112.0-66.98.127.255","resource_type":"ipv4","resource":"66.98.112.0/20","start":"66.98.112.0","end":"66.98.127.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Ferric Systems, LLC","recipient_organization":"Cluster Logic Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:00+00:00","page":"https://rirtracker.com/ip/66.98.112.0-66.98.127.255/#e-fe016b2679aaac97","report_page":"https://rirtracker.com/arin/reports/2017-11-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.98.112.0-66.98.127.255.json","explanation":"ARIN's transfer log records a transfer from Ferric Systems, LLC (ARIN) to Cluster Logic Inc (ARIN) on 2017-11-27 15:25 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/2017-November/003274.html","retrieved_at":"2026-10-12T18:39:51+00:00","summary":"ARIN-Issued report for 2017-11-27: \"Add 66.98.112.0-66.98.127.255\""},{"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 2017-11-27 15:25 UTC, Ferric Systems, LLC (ARIN) to Cluster Logic Inc (ARIN); resources moved: 66.98.112.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171126.gz","retrieved_at":"2026-10-12T21:37:57+00:00","summary":"ARIN delegated statistics 2017-11-26 (produced 2017-11-26T06:08:28+00:00), before the report: allocated (dated 2011-10-24)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171128.gz","retrieved_at":"2026-10-12T21:38:02+00:00","summary":"ARIN delegated statistics 2017-11-28 (produced 2017-11-28T06:09:49+00:00), after the report: allocated (dated 2017-11-27)"}]},{"event_id":"d44b4fcbc8bc31d7","registry":"ARIN","report_date":"2011-10-24","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.98.112.0-66.98.127.255","resource_type":"ipv4","resource":"66.98.112.0/20","start":"66.98.112.0","end":"66.98.127.255","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":"2026-10-13T23:50:56+00:00","page":"https://rirtracker.com/ip/66.98.112.0-66.98.127.255/#e-d44b4fcbc8bc31d7","report_page":"https://rirtracker.com/arin/reports/2011-10-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.98.112.0-66.98.127.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-23 and allocated (dated 2011-10-24) on 2011-10-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-10-19 (66.98.112.0-66.98.127.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2011-October/001047.html","retrieved_at":"2026-10-12T18:37:16+00:00","summary":"ARIN-Issued report for 2011-10-24: \"Add 66.98.112.0-66.98.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111023.gz","retrieved_at":"2026-10-12T19:26:48+00:00","summary":"ARIN delegated statistics 2011-10-23, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111025.gz","retrieved_at":"2026-10-12T19:26:53+00:00","summary":"ARIN delegated statistics 2011-10-25, after the report: allocated (dated 2011-10-24)"}]},{"event_id":"6d8c2625c74956e4","registry":"ARIN","report_date":"2011-10-19","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 66.98.112.0-66.98.127.255","resource_type":"ipv4","resource":"66.98.112.0/20","start":"66.98.112.0","end":"66.98.127.255","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":"2026-10-13T23:50:56+00:00","page":"https://rirtracker.com/ip/66.98.112.0-66.98.127.255/#e-6d8c2625c74956e4","report_page":"https://rirtracker.com/arin/reports/2011-10-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.98.112.0-66.98.127.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-10-18 and not issued on 2011-10-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2011-October/001042.html","retrieved_at":"2026-10-12T18:37:16+00:00","summary":"ARIN-Issued report for 2011-10-19: \"Remove 66.98.112.0-66.98.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111018.gz","retrieved_at":"2026-10-12T19:26:33+00:00","summary":"ARIN delegated statistics 2011-10-18, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111020.gz","retrieved_at":"2026-10-12T19:26:38+00:00","summary":"ARIN delegated statistics 2011-10-20, after the report: not issued"}]},{"event_id":"413ec6cb84e192df","registry":"ARIN","report_date":"2011-04-19","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"66.98.112.0/20","start":"66.98.112.0","end":"66.98.127.255","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":"2026-10-13T23:56:26+00:00","page":"https://rirtracker.com/ip/66.98.112.0-66.98.127.255/#e-413ec6cb84e192df","report_page":"https://rirtracker.com/arin/reports/2011-04-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.98.112.0-66.98.127.255.json","observed":"66.98.112.0/20 assigned on 2011-04-19, not listed on 2011-04-20","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":"2011-06-18","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 assigned (dated 2003-07-16) on 2011-04-18 and not issued on 2011-04-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2011-06-18. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110420.gz","retrieved_at":"2026-10-12T19:19:05+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 66.98.112.0/20 assigned on 2011-04-19, not listed on 2011-04-20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110418.gz","retrieved_at":"2026-10-12T19:19:00+00:00","summary":"ARIN delegated statistics 2011-04-18, before the report: assigned (dated 2003-07-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110420.gz","retrieved_at":"2026-10-12T19:19:05+00:00","summary":"ARIN delegated statistics 2011-04-20, after the report: not issued"}]}],"classification_history":{"fe016b2679aaac97":[{"raw_change_id":152212,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:39:39+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ferric Systems, LLC (ARIN) to Cluster Logic Inc (ARIN) on 2017-11-27 15:25 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":152212,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:10+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ferric Systems, LLC (ARIN) to Cluster Logic Inc (ARIN) on 2017-11-27 15:25 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":152212,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ferric Systems, LLC (ARIN) to Cluster Logic Inc (ARIN) on 2017-11-27 15:25 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":152212,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:00+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Ferric Systems, LLC (ARIN) to Cluster Logic Inc (ARIN) on 2017-11-27 15:25 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"d44b4fcbc8bc31d7":[{"raw_change_id":124791,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:15:23+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-23 and allocated (dated 2011-10-24) on 2011-10-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-10-19 (66.98.112.0-66.98.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":124791,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:22+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-23 and allocated (dated 2011-10-24) on 2011-10-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-10-19 (66.98.112.0-66.98.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":124791,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:56+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-23 and allocated (dated 2011-10-24) on 2011-10-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-10-19 (66.98.112.0-66.98.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":124791,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:56+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-10-23 and allocated (dated 2011-10-24) on 2011-10-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-10-19 (66.98.112.0-66.98.127.255), so it appears to have been issued again from ARIN's pool."}],"6d8c2625c74956e4":[{"raw_change_id":124755,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:15:20+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-10-18 and not issued on 2011-10-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":124755,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:22+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-10-18 and not issued on 2011-10-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":124755,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:56+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-10-18 and not issued on 2011-10-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":124755,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:56+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-10-18 and not issued on 2011-10-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."}],"413ec6cb84e192df":[{"raw_change_id":228452,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:19:45+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 assigned (dated 2003-07-16) on 2011-04-18 and not issued on 2011-04-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2011-06-18. This does not confirm availability."},{"raw_change_id":228452,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:41+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 assigned (dated 2003-07-16) on 2011-04-18 and not issued on 2011-04-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2011-06-18. This does not confirm availability."},{"raw_change_id":228452,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:45+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 assigned (dated 2003-07-16) on 2011-04-18 and not issued on 2011-04-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2011-06-18. This does not confirm availability."},{"raw_change_id":228452,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:26+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 assigned (dated 2003-07-16) on 2011-04-18 and not issued on 2011-04-20. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2011-06-18. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2017-11-27)"}}