{"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":"AS17007","resource_type":"asn","page":"https://rirtracker.com/asn/17007/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2000-07-12)"},"current_holder":{"rir":"ARIN","org":"Northrop Grumman Corp.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":2967,"date":"2022-08-16T20:20:44Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Alliant Techsystems Operations LLC","recipient_org":"Northrop Grumman Corp.","range":"AS17007","log":"ARIN"},{"id":432,"date":"2016-11-08T17:40:56Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Orbital Sciences Corporation","recipient_org":"Alliant Techsystems Operations LLC","range":"AS17007","log":"ARIN"}],"events":[{"event_id":"dbd2430a9df905cb","registry":"ARIN","report_date":"2022-08-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS17007","start":17007,"end":17007,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Alliant Techsystems Operations LLC","recipient_organization":"Northrop Grumman Corp.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:03+00:00","page":"https://rirtracker.com/asn/17007/#e-dbd2430a9df905cb","report_page":"https://rirtracker.com/arin/reports/2022-08-16/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/17007.json","observed":"Merger/acquisition: Alliant Techsystems Operations LLC (ARIN) to Northrop Grumman Corp. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Alliant Techsystems Operations LLC (ARIN) to Northrop Grumman Corp. (ARIN) on 2022-08-16 20:20 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 2022-08-16 20:20 UTC, Alliant Techsystems Operations LLC (ARIN) to Northrop Grumman Corp. (ARIN); resources moved: AS17007"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220815.gz","retrieved_at":"2026-10-12T23:06:15+00:00","summary":"ARIN delegated statistics 2022-08-15 (produced 2022-08-15T13:00:10+00:00), before the report: assigned (dated 2000-07-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220817.gz","retrieved_at":"2026-10-12T23:06:20+00:00","summary":"ARIN delegated statistics 2022-08-17 (produced 2022-08-17T13:00:11+00:00), after the report: assigned (dated 2000-07-12)"}]},{"event_id":"36db629af2ef5698","registry":"ARIN","report_date":"2016-11-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS17007","start":17007,"end":17007,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Orbital Sciences Corporation","recipient_organization":"Alliant Techsystems Operations LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:27+00:00","page":"https://rirtracker.com/asn/17007/#e-36db629af2ef5698","report_page":"https://rirtracker.com/arin/reports/2016-11-08/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/17007.json","observed":"Merger/acquisition: Orbital Sciences Corporation (ARIN) to Alliant Techsystems Operations LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Orbital Sciences Corporation (ARIN) to Alliant Techsystems Operations LLC (ARIN) on 2016-11-08 17:40 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 2016-11-08 17:40 UTC, Orbital Sciences Corporation (ARIN) to Alliant Techsystems Operations LLC (ARIN); resources moved: AS17007"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20161107.gz","retrieved_at":"2026-10-12T21:18:58+00:00","summary":"ARIN delegated statistics 2016-11-07 (produced 2016-11-07T06:08:47+00:00), before the report: assigned (dated 2000-07-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20161109.gz","retrieved_at":"2026-10-12T21:19:04+00:00","summary":"ARIN delegated statistics 2016-11-09 (produced 2016-11-09T06:09:28+00:00), after the report: assigned (dated 2000-07-12)"}]}],"classification_history":{"dbd2430a9df905cb":[{"raw_change_id":566130,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:03+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Alliant Techsystems Operations LLC (ARIN) to Northrop Grumman Corp. (ARIN) on 2022-08-16 20:20 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."}],"36db629af2ef5698":[{"raw_change_id":551122,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Orbital Sciences Corporation (ARIN) to Alliant Techsystems Operations LLC (ARIN) on 2016-11-08 17:40 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":"assigned (dated 2000-07-12)"}}