{"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":"135.12.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/135.12.0.0-135.12.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1989-04-13), allocated (dated 2019-09-26)"},"current_holder":{"rir":"ARIN","org":"Celestica International LP","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":18880,"date":"2019-09-26T16:38:51Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Celestica International LP","recipient_org":"Carrytel","range":"135.12.128.0/17","log":"ARIN"},{"id":18457,"date":"2019-07-17T14:59:41Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Celestica International Inc","recipient_org":"Celestica International LP","range":"135.12.0.0/16","log":"ARIN"}],"events":[{"event_id":"258403a9773ac20d","registry":"ARIN","report_date":"2019-07-17","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"135.12.0.0/16","start":"135.12.0.0","end":"135.12.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Celestica International Inc","recipient_organization":"Celestica International LP","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:46+00:00","page":"https://rirtracker.com/ip/135.12.0.0-135.12.255.255/#e-258403a9773ac20d","report_page":"https://rirtracker.com/arin/reports/2019-07-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/135.12.0.0-135.12.255.255.json","observed":"Merger/acquisition: Celestica International Inc (ARIN) to Celestica International LP (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Celestica International Inc (ARIN) to Celestica International LP (ARIN) on 2019-07-17 14:59 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 2019-07-17 14:59 UTC, Celestica International Inc (ARIN) to Celestica International LP (ARIN); resources moved: 135.12.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190716.gz","retrieved_at":"2026-10-12T22:08:05+00:00","summary":"ARIN delegated statistics 2019-07-16 (produced 2019-07-16T14:00:13+00:00), before the report: assigned (dated 1989-04-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190718.gz","retrieved_at":"2026-10-12T22:08:10+00:00","summary":"ARIN delegated statistics 2019-07-18 (produced 2019-07-18T14:00:13+00:00), after the report: assigned (dated 1989-04-13)"}]}],"classification_history":{"258403a9773ac20d":[{"raw_change_id":559076,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:46+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Celestica International Inc (ARIN) to Celestica International LP (ARIN) on 2019-07-17 14:59 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 1989-04-13), allocated (dated 2019-09-26)"}}