{"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":"AS394650","resource_type":"asn","page":"https://rirtracker.com/asn/394650/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2015-11-12)"},"current_holder":{"rir":"ARIN","org":"TransCanada Pipelines Ltd.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":1447,"date":"2018-12-10T20:12:21Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"TransCanada Pipelines Ltd.","recipient_org":"TransCanada Pipelines Ltd.","range":"AS394650","log":"ARIN"},{"id":813,"date":"2017-12-04T17:43:47Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Columbia Pipeline Group","recipient_org":"TransCanada Pipelines Ltd.","range":"AS394650","log":"ARIN"}],"events":[{"event_id":"50db7b7cd19a08a1","registry":"ARIN","report_date":"2018-12-10","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS394650","start":394650,"end":394650,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"TransCanada Pipelines Ltd.","recipient_organization":"TransCanada Pipelines Ltd.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:42+00:00","page":"https://rirtracker.com/asn/394650/#e-50db7b7cd19a08a1","report_page":"https://rirtracker.com/arin/reports/2018-12-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/394650.json","observed":"Merger/acquisition: TransCanada Pipelines Ltd. (ARIN) to TransCanada Pipelines Ltd. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from TransCanada Pipelines Ltd. (ARIN) to TransCanada Pipelines Ltd. (ARIN) on 2018-12-10 20:12 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 2018-12-10 20:12 UTC, TransCanada Pipelines Ltd. (ARIN) to TransCanada Pipelines Ltd. (ARIN); resources moved: AS394650"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181209.gz","retrieved_at":"2026-10-12T21:56:54+00:00","summary":"ARIN delegated statistics 2018-12-09 (produced 2018-12-09T06:00:11+00:00), before the report: assigned (dated 2015-11-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181211.gz","retrieved_at":"2026-10-12T21:56:59+00:00","summary":"ARIN delegated statistics 2018-12-11 (produced 2018-12-11T06:00:12+00:00), after the report: assigned (dated 2015-11-12)"}]},{"event_id":"6547d1e2916e886d","registry":"ARIN","report_date":"2017-12-04","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS394650","start":394650,"end":394650,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Columbia Pipeline Group","recipient_organization":"TransCanada Pipelines Ltd.","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/asn/394650/#e-6547d1e2916e886d","report_page":"https://rirtracker.com/arin/reports/2017-12-04/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/394650.json","observed":"Merger/acquisition: Columbia Pipeline Group (ARIN) to TransCanada Pipelines Ltd. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Columbia Pipeline Group (ARIN) to TransCanada Pipelines Ltd. (ARIN) on 2017-12-04 17:43 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 2017-12-04 17:43 UTC, Columbia Pipeline Group (ARIN) to TransCanada Pipelines Ltd. (ARIN); resources moved: AS394650"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171203.gz","retrieved_at":"2026-10-12T21:38:14+00:00","summary":"ARIN delegated statistics 2017-12-03 (produced 2017-12-03T06:09:26+00:00), before the report: assigned (dated 2015-11-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171205.gz","retrieved_at":"2026-10-12T21:38:18+00:00","summary":"ARIN delegated statistics 2017-12-05 (produced 2017-12-05T06:09:13+00:00), after the report: assigned (dated 2015-11-12)"}]},{"event_id":"3bf313e344b66cd0","registry":"ARIN","report_date":"2015-11-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS394650","resource_type":"asn","resource":"AS394650","start":394650,"end":394650,"classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:30+00:00","page":"https://rirtracker.com/asn/394650/#e-3bf313e344b66cd0","report_page":"https://rirtracker.com/arin/reports/2015-11-12/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/394650.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2015-11-11 and assigned (dated 2015-11-12) on 2015-11-13. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-November/002527.html","retrieved_at":"2026-10-12T18:39:00+00:00","summary":"ARIN-Issued report for 2015-11-12: \"Add AS394650\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20151111.gz","retrieved_at":"2026-10-12T21:01:26+00:00","summary":"ARIN delegated statistics 2015-11-11 (produced 2015-11-11T06:04:46+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20151113.gz","retrieved_at":"2026-10-12T21:01:37+00:00","summary":"ARIN delegated statistics 2015-11-13 (produced 2015-11-13T06:05:23+00:00), after the report: assigned (dated 2015-11-12)"}]}],"classification_history":{"50db7b7cd19a08a1":[{"raw_change_id":557690,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:42+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from TransCanada Pipelines Ltd. (ARIN) to TransCanada Pipelines Ltd. (ARIN) on 2018-12-10 20:12 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."}],"6547d1e2916e886d":[{"raw_change_id":553439,"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 Columbia Pipeline Group (ARIN) to TransCanada Pipelines Ltd. (ARIN) on 2017-12-04 17:43 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."}],"3bf313e344b66cd0":[{"raw_change_id":140211,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:34:23+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-11-11 and assigned (dated 2015-11-12) on 2015-11-13. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":140211,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:47+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-11-11 and assigned (dated 2015-11-12) on 2015-11-13. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":140211,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:25+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-11-11 and assigned (dated 2015-11-12) on 2015-11-13. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":140211,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:30+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-11-11 and assigned (dated 2015-11-12) on 2015-11-13. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"assigned (dated 2015-11-12)"}}