{"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":"AS396960","resource_type":"asn","page":"https://rirtracker.com/asn/396960/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2018-07-03)"},"current_holder":{"rir":"ARIN","org":"TransCanada Pipelines Ltd.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":1449,"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":"AS396960","log":"ARIN"}],"events":[{"event_id":"b09b1a92e2c62571","registry":"ARIN","report_date":"2018-12-10","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS396960","start":396960,"end":396960,"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/396960/#e-b09b1a92e2c62571","report_page":"https://rirtracker.com/arin/reports/2018-12-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/396960.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: AS396960"},{"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 2018-07-03)"},{"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 2018-07-03)"}]},{"event_id":"ab18801f79551977","registry":"ARIN","report_date":"2018-07-03","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS396960","resource_type":"asn","resource":"AS396960","start":396960,"end":396960,"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":"2026-10-13T23:52:13+00:00","page":"https://rirtracker.com/asn/396960/#e-ab18801f79551977","report_page":"https://rirtracker.com/arin/reports/2018-07-03/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/396960.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2018-07-02 and assigned (dated 2018-07-03) on 2018-07-04. 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/2018-July/003492.html","retrieved_at":"2026-10-12T18:40:07+00:00","summary":"ARIN-Issued report for 2018-07-03: \"Add AS396960\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180702.gz","retrieved_at":"2026-10-12T21:48:39+00:00","summary":"ARIN delegated statistics 2018-07-02 (produced 2018-07-02T05:00:22+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180704.gz","retrieved_at":"2026-10-12T21:48:44+00:00","summary":"ARIN delegated statistics 2018-07-04 (produced 2018-07-04T05:00:24+00:00), after the report: assigned (dated 2018-07-03)"}]}],"classification_history":{"b09b1a92e2c62571":[{"raw_change_id":557692,"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."}],"ab18801f79551977":[{"raw_change_id":155383,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:42+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2018-07-02 and assigned (dated 2018-07-03) on 2018-07-04. 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":155383,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:19+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2018-07-02 and assigned (dated 2018-07-03) on 2018-07-04. 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":155383,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:01+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2018-07-02 and assigned (dated 2018-07-03) on 2018-07-04. 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":155383,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:13+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2018-07-02 and assigned (dated 2018-07-03) on 2018-07-04. 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 2018-07-03)"}}