{"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":"143.223.137.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/143.223.137.0-143.223.137.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-12-20)"},"current_holder":{"rir":"ARIN","org":"Farmers Mutual Hail Insurance Company of Iowa","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":38114,"date":"2024-12-20T22:08:54Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"WME","recipient_org":"Farmers Mutual Hail Insurance Company of Iowa","range":"143.223.137.0/24","log":"ARIN"},{"id":33564,"date":"2023-11-13T18:07:22Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"William Morris Agency, Inc.","recipient_org":"WME","range":"143.223.0.0/16","log":"ARIN"}],"events":[{"event_id":"d08f2093c8da13b2","registry":"ARIN","report_date":"2024-12-20","source":"arin_issued","raw_action":"ADD","raw_line":"Add 143.223.137.0-143.223.137.255","resource_type":"ipv4","resource":"143.223.137.0/24","start":"143.223.137.0","end":"143.223.137.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"WME","recipient_organization":"Farmers Mutual Hail Insurance Company of Iowa","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:18+00:00","page":"https://rirtracker.com/ip/143.223.137.0-143.223.137.255/#e-d08f2093c8da13b2","report_page":"https://rirtracker.com/arin/reports/2024-12-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/143.223.137.0-143.223.137.255.json","piece_of":{"resource":"143.223.0.0/16","page":"https://rirtracker.com/ip/143.223.0.0-143.223.255.255/"},"explanation":"ARIN's transfer log records a transfer from WME (ARIN) to Farmers Mutual Hail Insurance Company of Iowa (ARIN) on 2024-12-20 22:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-December/005851.html","retrieved_at":"2026-10-12T18:42:50+00:00","summary":"ARIN-Issued report for 2024-12-20: \"Add 143.223.137.0-143.223.137.255\""},{"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: RESOURCE_TRANSFER on 2024-12-20 22:08 UTC, WME (ARIN) to Farmers Mutual Hail Insurance Company of Iowa (ARIN); resources moved: 143.223.137.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241219.gz","retrieved_at":"2026-10-12T23:51:45+00:00","summary":"ARIN delegated statistics 2024-12-19 (produced 2024-12-19T14:01:06+00:00), before the report: allocated (dated 1990-06-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241221.gz","retrieved_at":"2026-10-12T23:51:50+00:00","summary":"ARIN delegated statistics 2024-12-21 (produced 2024-12-21T14:01:07+00:00), after the report: allocated (dated 2024-12-20)"}]}],"classification_history":{"d08f2093c8da13b2":[{"raw_change_id":191130,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:04:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from WME (ARIN) to Farmers Mutual Hail Insurance Company of Iowa (ARIN) on 2024-12-20 22:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":191130,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from WME (ARIN) to Farmers Mutual Hail Insurance Company of Iowa (ARIN) on 2024-12-20 22:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":191130,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:46+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from WME (ARIN) to Farmers Mutual Hail Insurance Company of Iowa (ARIN) on 2024-12-20 22:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":191130,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:18+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from WME (ARIN) to Farmers Mutual Hail Insurance Company of Iowa (ARIN) on 2024-12-20 22:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2024-12-20)"}}