{"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":"72.255.64.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/72.255.64.0-72.255.127.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2017-02-17)"},"current_holder":{"rir":"ARIN","org":"Mediacom Communications Corporation","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":8699,"date":"2017-02-17T20:42:03Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Guest-Tek Interactive Entertainment, Inc.","recipient_org":"Mediacom Communications Corporation","range":"72.255.64.0/18","log":"ARIN"},{"id":8230,"date":"2016-11-11T16:47:25Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"STSN GENERAL HOLDINGS, INC.","recipient_org":"Guest-Tek Interactive Entertainment, Inc.","range":"72.254.0.0/15","log":"ARIN"}],"events":[{"event_id":"c4f2a3bdd3987a20","registry":"ARIN","report_date":"2017-02-17","source":"arin_issued","raw_action":"ADD","raw_line":"Add 72.255.64.0-72.255.127.255","resource_type":"ipv4","resource":"72.255.64.0/18","start":"72.255.64.0","end":"72.255.127.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Guest-Tek Interactive Entertainment, Inc.","recipient_organization":"Mediacom Communications Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:43+00:00","page":"https://rirtracker.com/ip/72.255.64.0-72.255.127.255/#e-c4f2a3bdd3987a20","report_page":"https://rirtracker.com/arin/reports/2017-02-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/72.255.64.0-72.255.127.255.json","piece_of":{"resource":"72.254.0.0/15","page":"https://rirtracker.com/ip/72.254.0.0-72.255.255.255/"},"explanation":"ARIN's transfer log records a transfer from Guest-Tek Interactive Entertainment, Inc. (ARIN) to Mediacom Communications Corporation (ARIN) on 2017-02-17 20:42 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-February/002990.html","retrieved_at":"2026-10-12T18:39:31+00:00","summary":"ARIN-Issued report for 2017-02-17: \"Add 72.255.64.0-72.255.127.255\""},{"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 2017-02-17 20:42 UTC, Guest-Tek Interactive Entertainment, Inc. (ARIN) to Mediacom Communications Corporation (ARIN); resources moved: 72.255.64.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170216.gz","retrieved_at":"2026-10-12T21:23:40+00:00","summary":"ARIN delegated statistics 2017-02-16 (produced 2017-02-16T06:10:18+00:00), before the report: allocated (dated 2005-01-06)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170218.gz","retrieved_at":"2026-10-12T21:23:54+00:00","summary":"ARIN delegated statistics 2017-02-18 (produced 2017-02-18T06:10:27+00:00), after the report: allocated (dated 2017-02-17)"}]}],"classification_history":{"c4f2a3bdd3987a20":[{"raw_change_id":147895,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:37:14+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Guest-Tek Interactive Entertainment, Inc. (ARIN) to Mediacom Communications Corporation (ARIN) on 2017-02-17 20:42 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":147895,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:58+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Guest-Tek Interactive Entertainment, Inc. (ARIN) to Mediacom Communications Corporation (ARIN) on 2017-02-17 20:42 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":147895,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:36+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Guest-Tek Interactive Entertainment, Inc. (ARIN) to Mediacom Communications Corporation (ARIN) on 2017-02-17 20:42 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":147895,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Guest-Tek Interactive Entertainment, Inc. (ARIN) to Mediacom Communications Corporation (ARIN) on 2017-02-17 20:42 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 2017-02-17)"}}