{"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":"AS17391","resource_type":"asn","page":"https://rirtracker.com/asn/17391/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2006-09-06)"},"current_holder":{"rir":"ARIN","org":"BMC Helix, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":5163,"date":"2026-07-14T21:43:53Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"BMC Software, Inc.","recipient_org":"BMC Helix, Inc.","range":"AS17391","log":"ARIN"},{"id":2617,"date":"2021-11-02T21:21:22Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Compuware Corporation","recipient_org":"BMC Software, Inc.","range":"AS17391","log":"ARIN"}],"events":[{"event_id":"b98c5b8b2006731a","registry":"ARIN","report_date":"2026-07-14","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS17391","start":17391,"end":17391,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"BMC Software, Inc.","recipient_organization":"BMC Helix, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:29+00:00","page":"https://rirtracker.com/asn/17391/#e-b98c5b8b2006731a","report_page":"https://rirtracker.com/arin/reports/2026-07-14/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/17391.json","observed":"Merger/acquisition: BMC Software, Inc. (ARIN) to BMC Helix, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from BMC Software, Inc. (ARIN) to BMC Helix, Inc. (ARIN) on 2026-07-14 21:43 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 2026-07-14 21:43 UTC, BMC Software, Inc. (ARIN) to BMC Helix, Inc. (ARIN); resources moved: AS17391"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260713","retrieved_at":"2026-10-09T19:04:23+00:00","summary":"ARIN delegated statistics 2026-07-13 (produced 2026-07-13T09:00:22+00:00), before the report: assigned (dated 2006-09-06)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260715","retrieved_at":"2026-10-09T19:04:30+00:00","summary":"ARIN delegated statistics 2026-07-15 (produced 2026-07-15T09:00:21+00:00), after the report: assigned (dated 2006-09-06)"}]},{"event_id":"a4a8f5b30ae48e01","registry":"ARIN","report_date":"2021-11-02","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS17391","start":17391,"end":17391,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Compuware Corporation","recipient_organization":"BMC Software, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:58+00:00","page":"https://rirtracker.com/asn/17391/#e-a4a8f5b30ae48e01","report_page":"https://rirtracker.com/arin/reports/2021-11-02/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/17391.json","observed":"Merger/acquisition: Compuware Corporation (ARIN) to BMC Software, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Compuware Corporation (ARIN) to BMC Software, Inc. (ARIN) on 2021-11-02 21:21 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 2021-11-02 21:21 UTC, Compuware Corporation (ARIN) to BMC Software, Inc. (ARIN); resources moved: AS17391"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211101.gz","retrieved_at":"2026-10-12T22:51:24+00:00","summary":"ARIN delegated statistics 2021-11-01 (produced 2021-11-01T14:00:13+00:00), before the report: assigned (dated 2006-09-06)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211103.gz","retrieved_at":"2026-10-12T22:51:29+00:00","summary":"ARIN delegated statistics 2021-11-03 (produced 2021-11-03T14:00:13+00:00), after the report: assigned (dated 2006-09-06)"}]}],"classification_history":{"b98c5b8b2006731a":[{"raw_change_id":576644,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:29+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from BMC Software, Inc. (ARIN) to BMC Helix, Inc. (ARIN) on 2026-07-14 21:43 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."}],"a4a8f5b30ae48e01":[{"raw_change_id":564114,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:58+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Compuware Corporation (ARIN) to BMC Software, Inc. (ARIN) on 2021-11-02 21:21 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 2006-09-06)"}}