{"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":"156.57.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/156.57.0.0-156.57.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2014-09-18)"},"current_holder":{"rir":"ARIN","org":"Bell Canada","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":11012,"date":"2017-09-22T19:20:47Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Bell Aliant Regional Communications, Inc.","recipient_org":"Bell Canada","range":"156.57.0.0/16","log":"ARIN"},{"id":5518,"date":"2014-09-18T18:35:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of New Brunswick","recipient_org":"Bell Aliant Regional Communications, Inc.","range":"156.57.0.0/16","log":"ARIN"}],"events":[{"event_id":"44874d6677343b1d","registry":"ARIN","report_date":"2017-09-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"156.57.0.0/16","start":"156.57.0.0","end":"156.57.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Bell Aliant Regional Communications, Inc.","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":"2026-10-14T00:18:32+00:00","page":"https://rirtracker.com/ip/156.57.0.0-156.57.255.255/#e-44874d6677343b1d","report_page":"https://rirtracker.com/arin/reports/2017-09-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/156.57.0.0-156.57.255.255.json","observed":"Merger/acquisition: Bell Aliant Regional Communications, Inc. (ARIN) to Bell Canada (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Bell Aliant Regional Communications, Inc. (ARIN) to Bell Canada (ARIN) on 2017-09-22 19:20 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 2017-09-22 19:20 UTC, Bell Aliant Regional Communications, Inc. (ARIN) to Bell Canada (ARIN); resources moved: 156.57.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170921.gz","retrieved_at":"2026-10-12T21:34:40+00:00","summary":"ARIN delegated statistics 2017-09-21 (produced 2017-09-21T05:11:33+00:00), before the report: allocated (dated 2014-09-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170923.gz","retrieved_at":"2026-10-12T21:34:45+00:00","summary":"ARIN delegated statistics 2017-09-23 (produced 2017-09-23T05:11:14+00:00), after the report: allocated (dated 2014-09-18)"}]},{"event_id":"89f86bf428e4a873","registry":"ARIN","report_date":"2014-09-18","source":"arin_issued","raw_action":"ADD","raw_line":"Add 156.57.0.0-156.57.255.255","resource_type":"ipv4","resource":"156.57.0.0/16","start":"156.57.0.0","end":"156.57.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"University of New Brunswick","recipient_organization":"Bell Aliant Regional Communications, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:15+00:00","page":"https://rirtracker.com/ip/156.57.0.0-156.57.255.255/#e-89f86bf428e4a873","report_page":"https://rirtracker.com/arin/reports/2014-09-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/156.57.0.0-156.57.255.255.json","explanation":"ARIN's transfer log records a transfer from University of New Brunswick (ARIN) to Bell Aliant Regional Communications, Inc. (ARIN) on 2014-09-18 18:35 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/2014-September/002108.html","retrieved_at":"2026-10-12T18:38:30+00:00","summary":"ARIN-Issued report for 2014-09-18: \"Add 156.57.0.0-156.57.255.255\""},{"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 2014-09-18 18:35 UTC, University of New Brunswick (ARIN) to Bell Aliant Regional Communications, Inc. (ARIN); resources moved: 156.57.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140917.gz","retrieved_at":"2026-10-12T20:41:08+00:00","summary":"ARIN delegated statistics 2014-09-17 (produced 2014-09-17T05:04:49+00:00), before the report: assigned (dated 1991-12-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140919.gz","retrieved_at":"2026-10-12T20:41:19+00:00","summary":"ARIN delegated statistics 2014-09-19 (produced 2014-09-19T05:06:19+00:00), after the report: allocated (dated 2014-09-18)"}]}],"classification_history":{"44874d6677343b1d":[{"raw_change_id":553153,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Bell Aliant Regional Communications, Inc. (ARIN) to Bell Canada (ARIN) on 2017-09-22 19:20 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."}],"89f86bf428e4a873":[{"raw_change_id":133928,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:26:43+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from University of New Brunswick (ARIN) to Bell Aliant Regional Communications, Inc. (ARIN) on 2014-09-18 18:35 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":133928,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:36+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from University of New Brunswick (ARIN) to Bell Aliant Regional Communications, Inc. (ARIN) on 2014-09-18 18:35 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":133928,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:12+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from University of New Brunswick (ARIN) to Bell Aliant Regional Communications, Inc. (ARIN) on 2014-09-18 18:35 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":133928,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:15+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from University of New Brunswick (ARIN) to Bell Aliant Regional Communications, Inc. (ARIN) on 2014-09-18 18:35 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 2014-09-18)"}}