{"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":"142.171.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/142.171.0.0-142.171.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-08-12)"},"current_holder":{"rir":"ARIN","org":"TELUS Communications Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":28732,"date":"2022-08-12T14:29:46Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Bell Canada","recipient_org":"TELUS Communications Inc.","range":"142.171.0.0/16","log":"ARIN"},{"id":25159,"date":"2021-07-21T16:28:44Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Stentor National Integrated Communications Network","recipient_org":"Bell Canada","range":"142.171.0.0/16","log":"ARIN"}],"events":[{"event_id":"28fd320e994adacf","registry":"ARIN","report_date":"2022-08-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 142.171.0.0-142.171.255.255","resource_type":"ipv4","resource":"142.171.0.0/16","start":"142.171.0.0","end":"142.171.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Bell Canada","recipient_organization":"TELUS Communications Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:27+00:00","page":"https://rirtracker.com/ip/142.171.0.0-142.171.255.255/#e-28fd320e994adacf","report_page":"https://rirtracker.com/arin/reports/2022-08-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/142.171.0.0-142.171.255.255.json","explanation":"ARIN's transfer log records a transfer from Bell Canada (ARIN) to TELUS Communications Inc. (ARIN) on 2022-08-12 14:29 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/2022-August/004991.html","retrieved_at":"2026-10-12T18:41:51+00:00","summary":"ARIN-Issued report for 2022-08-12: \"Add 142.171.0.0-142.171.255.255\""},{"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 2022-08-12 14:29 UTC, Bell Canada (ARIN) to TELUS Communications Inc. (ARIN); resources moved: 142.171.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220811.gz","retrieved_at":"2026-10-12T23:05:55+00:00","summary":"ARIN delegated statistics 2022-08-11 (produced 2022-08-11T13:00:10+00:00), before the report: allocated (dated 1992-08-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220813.gz","retrieved_at":"2026-10-12T23:06:10+00:00","summary":"ARIN delegated statistics 2022-08-13 (produced 2022-08-13T13:00:10+00:00), after the report: allocated (dated 2022-08-12)"}]},{"event_id":"605b8d15236cbc77","registry":"ARIN","report_date":"2021-07-21","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"142.171.0.0/16","start":"142.171.0.0","end":"142.171.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Stentor National Integrated Communications Network","recipient_organization":"Bell Canada","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:57+00:00","page":"https://rirtracker.com/ip/142.171.0.0-142.171.255.255/#e-605b8d15236cbc77","report_page":"https://rirtracker.com/arin/reports/2021-07-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/142.171.0.0-142.171.255.255.json","observed":"Merger/acquisition: Stentor National Integrated Communications Network (ARIN) to Bell Canada (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Stentor National Integrated Communications Network (ARIN) to Bell Canada (ARIN) on 2021-07-21 16:28 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 2021-07-21 16:28 UTC, Stentor National Integrated Communications Network (ARIN) to Bell Canada (ARIN); resources moved: 142.171.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210720.gz","retrieved_at":"2026-10-12T22:46:05+00:00","summary":"ARIN delegated statistics 2021-07-20 (produced 2021-07-20T14:00:14+00:00), before the report: assigned (dated 1992-08-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210722.gz","retrieved_at":"2026-10-12T22:46:09+00:00","summary":"ARIN delegated statistics 2021-07-22 (produced 2021-07-22T14:00:13+00:00), after the report: allocated (dated 1992-08-26)"}]}],"classification_history":{"28fd320e994adacf":[{"raw_change_id":177615,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:56:33+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Bell Canada (ARIN) to TELUS Communications Inc. (ARIN) on 2022-08-12 14:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177615,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:16+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Bell Canada (ARIN) to TELUS Communications Inc. (ARIN) on 2022-08-12 14:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177615,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:04+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Bell Canada (ARIN) to TELUS Communications Inc. (ARIN) on 2022-08-12 14:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177615,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Bell Canada (ARIN) to TELUS Communications Inc. (ARIN) on 2022-08-12 14:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"605b8d15236cbc77":[{"raw_change_id":563600,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:57+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Stentor National Integrated Communications Network (ARIN) to Bell Canada (ARIN) on 2021-07-21 16:28 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 2022-08-12)"}}