{"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":"64.137.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/64.137.0.0-64.137.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2016-09-01), allocated (dated 2020-12-01)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":83956,"date":"2021-12-09T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"FASTPLANET LTD","range":"64.137.0.0/17","log":"RIPE NCC"},{"id":26280,"date":"2021-12-09T15:40:34Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Network Layer Technologies Inc","recipient_org":"FASTPLANET LTD","range":"64.137.0.0/17","log":"ARIN"},{"id":22181,"date":"2020-12-01T16:48:40Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"KW Datacenter","recipient_org":"Dobson Technologies - Transport and Telecom Solutions, LLC","range":"64.137.160.0/19","log":"ARIN"},{"id":63302,"date":"2019-03-26T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Saudi Telecom Company JSC","range":"64.137.192.0/18","log":"RIPE NCC"},{"id":17206,"date":"2019-03-26T15:26:44Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"KW Datacenter","recipient_org":"Saudi Telecom Company (JSC)","range":"64.137.192.0/18","log":"ARIN"},{"id":7753,"date":"2016-09-01T17:14:12Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"KW Datacenter","recipient_org":"Beanfield Technologies Inc.","range":"64.137.128.0/19","log":"ARIN"}],"events":[{"event_id":"0c4a3dfb4f09d0da","registry":"ARIN","report_date":"2015-04-01","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 64.137.0.0-64.137.255.255","resource_type":"ipv4","resource":"64.137.0.0/16","start":"64.137.0.0","end":"64.137.255.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (ARIN lists it as 'available')","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:51:22+00:00","page":"https://rirtracker.com/ip/64.137.0.0-64.137.255.255/#e-0c4a3dfb4f09d0da","report_page":"https://rirtracker.com/arin/reports/2015-04-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/64.137.0.0-64.137.255.255.json","explanation":"ARIN's statistics show it reserved on 2015-03-31 and available on 2015-04-02. 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 2015-01-06, 85 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2015-04-02: Add 64.137.0.0-64.137.127.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-April/002303.html","retrieved_at":"2026-10-12T18:38:45+00:00","summary":"ARIN-Issued report for 2015-04-01: \"Remove 64.137.0.0-64.137.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150331.gz","retrieved_at":"2026-10-12T20:50:25+00:00","summary":"ARIN delegated statistics 2015-03-31 (produced 2015-03-31T05:05:00+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150402.gz","retrieved_at":"2026-10-12T20:50:29+00:00","summary":"ARIN delegated statistics 2015-04-02 (produced 2015-04-02T05:05:37+00:00), after the report: available"}]},{"event_id":"a6a0a2420f9492b9","registry":"ARIN","report_date":"2015-01-06","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"64.137.0.0/16","start":"64.137.0.0","end":"64.137.255.255","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":"2026-10-14T00:00:31+00:00","page":"https://rirtracker.com/ip/64.137.0.0-64.137.255.255/#e-a6a0a2420f9492b9","report_page":"https://rirtracker.com/arin/reports/2015-01-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/64.137.0.0-64.137.255.255.json","observed":"64.137.0.0/16 assigned on 2015-01-06, reserved on 2015-01-07","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":"2015-03-07","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 2000-08-01) on 2015-01-05 and reserved on 2015-01-07. 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 2015-03-07. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150107.gz","retrieved_at":"2026-10-12T20:46:29+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 64.137.0.0/16 assigned on 2015-01-06, reserved on 2015-01-07"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150105.gz","retrieved_at":"2026-10-12T20:46:24+00:00","summary":"ARIN delegated statistics 2015-01-05 (produced 2015-01-05T06:04:33+00:00), before the report: assigned (dated 2000-08-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150107.gz","retrieved_at":"2026-10-12T20:46:29+00:00","summary":"ARIN delegated statistics 2015-01-07 (produced 2015-01-07T06:03:53+00:00), after the report: reserved"}]}],"classification_history":{"0c4a3dfb4f09d0da":[{"raw_change_id":136795,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:30:14+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-03-31 and available on 2015-04-02. 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 2015-01-06, 85 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2015-04-02: Add 64.137.0.0-64.137.127.255), so the before-and-after statistics may include it."},{"raw_change_id":136795,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:41+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-03-31 and available on 2015-04-02. 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 2015-01-06, 85 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2015-04-02: Add 64.137.0.0-64.137.127.255), so the before-and-after statistics may include it."},{"raw_change_id":136795,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:18+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-03-31 and available on 2015-04-02. 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 2015-01-06, 85 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2015-04-02: Add 64.137.0.0-64.137.127.255), so the before-and-after statistics may include it."},{"raw_change_id":136795,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:22+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2015-03-31 and available on 2015-04-02. 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 2015-01-06, 85 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2015-04-02: Add 64.137.0.0-64.137.127.255), so the before-and-after statistics may include it."}],"a6a0a2420f9492b9":[{"raw_change_id":295453,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:53:50+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 2000-08-01) on 2015-01-05 and reserved on 2015-01-07. 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 2015-03-07. This does not confirm availability."},{"raw_change_id":295453,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:13:15+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 assigned (dated 2000-08-01) on 2015-01-05 and reserved on 2015-01-07. 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 2015-03-07. This does not confirm availability."},{"raw_change_id":295453,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:56:37+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 2000-08-01) on 2015-01-05 and reserved on 2015-01-07. 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 2015-03-07. This does not confirm availability."},{"raw_change_id":295453,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:00:31+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 2000-08-01) on 2015-01-05 and reserved on 2015-01-07. 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 2015-03-07. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2016-09-01), allocated (dated 2020-12-01)"}}