{"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":"137.236.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/137.236.0.0-137.236.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1989-07-31)"},"current_holder":{"rir":"ARIN","org":"Open Text Corporation","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":16833,"date":"2019-01-22T17:21:07Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Open Text Corporation","recipient_org":"Open Text Corporation","range":"137.236.0.0/16","log":"ARIN"},{"id":14368,"date":"2018-09-04T17:05:09Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"xpedite Systems, Inc.","recipient_org":"Open Text Corporation","range":"137.236.0.0/16","log":"ARIN"}],"events":[{"event_id":"3979dbe6d3b06fe1","registry":"ARIN","report_date":"2019-01-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"137.236.0.0/16","start":"137.236.0.0","end":"137.236.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Open Text Corporation","recipient_organization":"Open Text Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","page":"https://rirtracker.com/ip/137.236.0.0-137.236.255.255/#e-3979dbe6d3b06fe1","report_page":"https://rirtracker.com/arin/reports/2019-01-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/137.236.0.0-137.236.255.255.json","observed":"Merger/acquisition: Open Text Corporation (ARIN) to Open Text Corporation (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Open Text Corporation (ARIN) to Open Text Corporation (ARIN) on 2019-01-22 17:21 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 2019-01-22 17:21 UTC, Open Text Corporation (ARIN) to Open Text Corporation (ARIN); resources moved: 137.236.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190121.gz","retrieved_at":"2026-10-12T21:59:08+00:00","summary":"ARIN delegated statistics 2019-01-21 (produced 2019-01-21T06:00:17+00:00), before the report: assigned (dated 1989-07-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190123.gz","retrieved_at":"2026-10-12T21:59:13+00:00","summary":"ARIN delegated statistics 2019-01-23 (produced 2019-01-23T06:00:17+00:00), after the report: assigned (dated 1989-07-31)"}]},{"event_id":"0af397f2fe1696c5","registry":"ARIN","report_date":"2018-09-04","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"137.236.0.0/16","start":"137.236.0.0","end":"137.236.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"xpedite Systems, Inc.","recipient_organization":"Open Text Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:38+00:00","page":"https://rirtracker.com/ip/137.236.0.0-137.236.255.255/#e-0af397f2fe1696c5","report_page":"https://rirtracker.com/arin/reports/2018-09-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/137.236.0.0-137.236.255.255.json","observed":"Merger/acquisition: xpedite Systems, Inc. (ARIN) to Open Text Corporation (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from xpedite Systems, Inc. (ARIN) to Open Text Corporation (ARIN) on 2018-09-04 17:05 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 2018-09-04 17:05 UTC, xpedite Systems, Inc. (ARIN) to Open Text Corporation (ARIN); resources moved: 137.236.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180903.gz","retrieved_at":"2026-10-12T21:51:58+00:00","summary":"ARIN delegated statistics 2018-09-03 (produced 2018-09-03T05:00:15+00:00), before the report: assigned (dated 1989-07-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180905.gz","retrieved_at":"2026-10-12T21:52:03+00:00","summary":"ARIN delegated statistics 2018-09-05 (produced 2018-09-05T05:00:16+00:00), after the report: assigned (dated 1989-07-31)"}]}],"classification_history":{"3979dbe6d3b06fe1":[{"raw_change_id":557861,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Open Text Corporation (ARIN) to Open Text Corporation (ARIN) on 2019-01-22 17:21 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."}],"0af397f2fe1696c5":[{"raw_change_id":555620,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:38+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from xpedite Systems, Inc. (ARIN) to Open Text Corporation (ARIN) on 2018-09-04 17:05 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":"allocated (dated 1989-07-31)"}}