{"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":"167.12.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/167.12.0.0-167.12.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1993-04-14)"},"current_holder":{"rir":"ARIN","org":"Lehigh Valley Health Network Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":18343,"date":"2019-06-27T10:53:25Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Muhlenberg Hospital Center","recipient_org":"Lehigh Valley Health Network Inc.","range":"167.12.0.0/16","log":"ARIN"}],"events":[{"event_id":"6f66d2ece2d52fbe","registry":"ARIN","report_date":"2019-06-27","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"167.12.0.0/16","start":"167.12.0.0","end":"167.12.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Muhlenberg Hospital Center","recipient_organization":"Lehigh Valley Health Network Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:45+00:00","page":"https://rirtracker.com/ip/167.12.0.0-167.12.255.255/#e-6f66d2ece2d52fbe","report_page":"https://rirtracker.com/arin/reports/2019-06-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/167.12.0.0-167.12.255.255.json","observed":"Merger/acquisition: Muhlenberg Hospital Center (ARIN) to Lehigh Valley Health Network Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Muhlenberg Hospital Center (ARIN) to Lehigh Valley Health Network Inc. (ARIN) on 2019-06-27 10:53 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 2019-06-27 10:53 UTC, Muhlenberg Hospital Center (ARIN) to Lehigh Valley Health Network Inc. (ARIN); resources moved: 167.12.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190626.gz","retrieved_at":"2026-10-12T22:07:11+00:00","summary":"ARIN delegated statistics 2019-06-26 (produced 2019-06-26T14:00:15+00:00), before the report: assigned (dated 1993-04-14)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190628.gz","retrieved_at":"2026-10-12T22:07:16+00:00","summary":"ARIN delegated statistics 2019-06-28 (produced 2019-06-28T14:00:15+00:00), after the report: assigned (dated 1993-04-14)"}]}],"classification_history":{"6f66d2ece2d52fbe":[{"raw_change_id":559016,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:45+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Muhlenberg Hospital Center (ARIN) to Lehigh Valley Health Network Inc. (ARIN) on 2019-06-27 10:53 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 1993-04-14)"}}