{"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":"170.151.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/170.151.0.0-170.151.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2018-09-10)"},"current_holder":{"rir":"ARIN","org":"Charter Communications","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":14428,"date":"2018-09-10T20:10:02Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Icon Health & Fitness Inc","recipient_org":"Charter Communications","range":"170.151.0.0/16","log":"ARIN"},{"id":13630,"date":"2018-07-11T18:46:32Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"NordicTrack","recipient_org":"Icon Health & Fitness Inc","range":"170.151.0.0/16","log":"ARIN"}],"events":[{"event_id":"6bf7a60640f24cc3","registry":"ARIN","report_date":"2018-09-10","source":"arin_issued","raw_action":"ADD","raw_line":"Add 170.151.0.0-170.151.255.255","resource_type":"ipv4","resource":"170.151.0.0/16","start":"170.151.0.0","end":"170.151.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Icon Health & Fitness Inc","recipient_organization":"Charter Communications","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:16+00:00","page":"https://rirtracker.com/ip/170.151.0.0-170.151.255.255/#e-6bf7a60640f24cc3","report_page":"https://rirtracker.com/arin/reports/2018-09-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.151.0.0-170.151.255.255.json","explanation":"ARIN's transfer log records a transfer from Icon Health & Fitness Inc (ARIN) to Charter Communications (ARIN) on 2018-09-10 20:10 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/2018-September/003561.html","retrieved_at":"2026-10-12T18:40:12+00:00","summary":"ARIN-Issued report for 2018-09-10: \"Add 170.151.0.0-170.151.255.255\""},{"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 2018-09-10 20:10 UTC, Icon Health & Fitness Inc (ARIN) to Charter Communications (ARIN); resources moved: 170.151.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180909.gz","retrieved_at":"2026-10-12T21:52:13+00:00","summary":"ARIN delegated statistics 2018-09-09 (produced 2018-09-09T05:00:16+00:00), before the report: assigned (dated 1994-05-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180911.gz","retrieved_at":"2026-10-12T21:52:18+00:00","summary":"ARIN delegated statistics 2018-09-11 (produced 2018-09-11T05:00:17+00:00), after the report: allocated (dated 2018-09-10)"}]},{"event_id":"dceac228634ce821","registry":"ARIN","report_date":"2018-07-11","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"170.151.0.0/16","start":"170.151.0.0","end":"170.151.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"NordicTrack","recipient_organization":"Icon Health & Fitness Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:36+00:00","page":"https://rirtracker.com/ip/170.151.0.0-170.151.255.255/#e-dceac228634ce821","report_page":"https://rirtracker.com/arin/reports/2018-07-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.151.0.0-170.151.255.255.json","observed":"Merger/acquisition: NordicTrack (ARIN) to Icon Health & Fitness Inc (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from NordicTrack (ARIN) to Icon Health & Fitness Inc (ARIN) on 2018-07-11 18:46 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"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: MERGER_ACQUISITION on 2018-07-11 18:46 UTC, NordicTrack (ARIN) to Icon Health & Fitness Inc (ARIN); resources moved: 170.151.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180710.gz","retrieved_at":"2026-10-12T21:49:06+00:00","summary":"ARIN delegated statistics 2018-07-10 (produced 2018-07-10T05:00:23+00:00), before the report: assigned (dated 1994-05-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180712.gz","retrieved_at":"2026-10-12T21:49:11+00:00","summary":"ARIN delegated statistics 2018-07-12 (produced 2018-07-12T05:00:23+00:00), after the report: assigned (dated 1994-05-18)"}]}],"classification_history":{"6bf7a60640f24cc3":[{"raw_change_id":156200,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:42:10+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Icon Health & Fitness Inc (ARIN) to Charter Communications (ARIN) on 2018-09-10 20:10 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":156200,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:22+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Icon Health & Fitness Inc (ARIN) to Charter Communications (ARIN) on 2018-09-10 20:10 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":156200,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:04+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Icon Health & Fitness Inc (ARIN) to Charter Communications (ARIN) on 2018-09-10 20:10 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":156200,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:16+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Icon Health & Fitness Inc (ARIN) to Charter Communications (ARIN) on 2018-09-10 20:10 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"dceac228634ce821":[{"raw_change_id":554938,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:36+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from NordicTrack (ARIN) to Icon Health & Fitness Inc (ARIN) on 2018-07-11 18:46 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"allocated (dated 2018-09-10)"}}