{"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":"159.135.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/159.135.0.0-159.135.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2015-10-21) (only part of the range)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":19164,"date":"2019-10-25T15:08:18Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Rackspace Hosting","recipient_org":"Mailgun Technologies Inc.","range":"159.135.224.0/20","log":"ARIN"},{"id":10866,"date":"2017-09-05T17:47:38Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Rackspace Hosting","recipient_org":"Liquid Web, L.L.C","range":"159.135.48.0/20","log":"ARIN"},{"id":53945,"date":"2017-06-27T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Rackspace Germany GmbH","range":"159.135.128.0/19","log":"RIPE NCC"},{"id":10191,"date":"2017-06-27T15:08:05Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Rackspace Hosting","recipient_org":"Rackspace Germany GmbH","range":"159.135.128.0/19","log":"ARIN"},{"id":10089,"date":"2017-06-09T16:58:14Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Rackspace Hosting","recipient_org":"Liquid Web, L.L.C","range":"159.135.0.0/19","log":"ARIN"},{"id":10090,"date":"2017-06-09T16:58:14Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Rackspace Hosting","recipient_org":"Liquid Web, L.L.C","range":"159.135.32.0/20","log":"ARIN"},{"id":6071,"date":"2015-10-21T15:00:33Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"SM Financial Services Corporation","recipient_org":"Rackspace Hosting","range":"159.135.0.0/16","log":"ARIN"}],"events":[{"event_id":"2a8a254d4137a90a","registry":"ARIN","report_date":"2015-10-21","source":"arin_issued","raw_action":"ADD","raw_line":"Add 159.135.0.0-159.135.255.255","resource_type":"ipv4","resource":"159.135.0.0/16","start":"159.135.0.0","end":"159.135.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"SM Financial Services Corporation","recipient_organization":"Rackspace Hosting","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:30+00:00","page":"https://rirtracker.com/ip/159.135.0.0-159.135.255.255/#e-2a8a254d4137a90a","report_page":"https://rirtracker.com/arin/reports/2015-10-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/159.135.0.0-159.135.255.255.json","explanation":"ARIN's transfer log records a transfer from SM Financial Services Corporation (ARIN) to Rackspace Hosting (ARIN) on 2015-10-21 15:00 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/2015-October/002505.html","retrieved_at":"2026-10-12T18:38:58+00:00","summary":"ARIN-Issued report for 2015-10-21: \"Add 159.135.0.0-159.135.255.255\""},{"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 2015-10-21 15:00 UTC, SM Financial Services Corporation (ARIN) to Rackspace Hosting (ARIN); resources moved: 159.135.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20151020.gz","retrieved_at":"2026-10-12T21:00:24+00:00","summary":"ARIN delegated statistics 2015-10-20 (produced 2015-10-20T05:05:05+00:00), before the report: assigned (dated 1992-04-20)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20151022.gz","retrieved_at":"2026-10-12T21:00:29+00:00","summary":"ARIN delegated statistics 2015-10-22 (produced 2015-10-22T05:05:28+00:00), after the report: allocated (dated 2015-10-21)"}]}],"classification_history":{"2a8a254d4137a90a":[{"raw_change_id":140034,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:34:15+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from SM Financial Services Corporation (ARIN) to Rackspace Hosting (ARIN) on 2015-10-21 15:00 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":140034,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from SM Financial Services Corporation (ARIN) to Rackspace Hosting (ARIN) on 2015-10-21 15:00 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":140034,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:25+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from SM Financial Services Corporation (ARIN) to Rackspace Hosting (ARIN) on 2015-10-21 15:00 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":140034,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from SM Financial Services Corporation (ARIN) to Rackspace Hosting (ARIN) on 2015-10-21 15:00 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2015-10-21) (only part of the range)"}}