{"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":"207.188.18.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/207.188.18.0-207.188.19.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2026-10-30)"},"current_holder":{"rir":"ARIN","org":"Reliance Standard Life Insurance Company","handle":"RSLI-1","how":"RDAP, looked up 2026-11-08 18:18 UTC"},"rdap_snapshots":[{"resource_type":"ipv4","start_key":"000000000000000000000000cfbc1200","end_key":"000000000000000000000000cfbc13ff","captured_at":"2026-11-08T18:18:13+00:00","reason":"7d","authoritative_rir":"ARIN","handle":"NET-207-188-18-0-1","name":"RSLI-1","status":"active","org_handle":"RSLI-1","org_name":"Reliance Standard Life Insurance Company","registration_date":"2026-10-30T12:38:51-04:00","last_changed_date":"2026-10-30T12:38:51-04:00","rdap_url":"https://rdap.arin.net/registry/ip/207.188.18.0"},{"resource_type":"ipv4","start_key":"000000000000000000000000cfbc1200","end_key":"000000000000000000000000cfbc13ff","captured_at":"2026-11-02T18:18:11+00:00","reason":"24h","authoritative_rir":"ARIN","handle":"NET-207-188-18-0-1","name":"RSLI-1","status":"active","org_handle":"RSLI-1","org_name":"Reliance Standard Life Insurance Company","registration_date":"2026-10-30T12:38:51-04:00","last_changed_date":"2026-10-30T12:38:51-04:00","rdap_url":"https://rdap.arin.net/registry/ip/207.188.18.0"},{"resource_type":"ipv4","start_key":"000000000000000000000000cfbc1200","end_key":"000000000000000000000000cfbc13ff","captured_at":"2026-10-31T18:24:49+00:00","reason":"first","authoritative_rir":"ARIN","handle":"NET-207-188-18-0-1","name":"RSLI-1","status":"active","org_handle":"RSLI-1","org_name":"Reliance Standard Life Insurance Company","registration_date":"2026-10-30T12:38:51-04:00","last_changed_date":"2026-10-30T12:38:51-04:00","rdap_url":"https://rdap.arin.net/registry/ip/207.188.18.0"}],"transfers":[{"id":134440,"date":"2026-10-30T16:38:51Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"REALNETWORKS LLC","recipient_org":"Reliance Standard Life Insurance Company","range":"207.188.18.0/23","log":"ARIN"},{"id":30387,"date":"2023-02-02T20:38:23Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"RealNetworks, Inc.","recipient_org":"REALNETWORKS LLC","range":"207.188.16.0/22","log":"ARIN"}],"events":[{"event_id":"4318e85ab30c3959","registry":"ARIN","report_date":"2026-10-30","source":"arin_issued","raw_action":"ADD","raw_line":"Add 207.188.18.0-207.188.19.255","resource_type":"ipv4","resource":"207.188.18.0/23","start":"207.188.18.0","end":"207.188.19.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"REALNETWORKS LLC","recipient_organization":"Reliance Standard Life Insurance Company","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-31T18:28:01+00:00","page":"https://rirtracker.com/ip/207.188.18.0-207.188.19.255/#e-4318e85ab30c3959","report_page":"https://rirtracker.com/arin/reports/2026-10-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/207.188.18.0-207.188.19.255.json","explanation":"ARIN's transfer log records a transfer from REALNETWORKS LLC (ARIN) to Reliance Standard Life Insurance Company (ARIN) on 2026-10-30 16:38 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/2026-October/006534.html","retrieved_at":"2026-10-31T18:17:04+00:00","summary":"ARIN-Issued report for 2026-10-30: \"Add 207.188.18.0-207.188.19.255\""},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-31T18:17:07+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-10-30 16:38 UTC, REALNETWORKS LLC (ARIN) to Reliance Standard Life Insurance Company (ARIN); resources moved: 207.188.18.0/23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261029","retrieved_at":"2026-10-29T18:17:12+00:00","summary":"ARIN delegated statistics 2026-10-29 (produced 2026-10-29T13:00:22+00:00), before the report: allocated (dated 1999-02-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261031","retrieved_at":"2026-10-31T18:17:15+00:00","summary":"ARIN delegated statistics 2026-10-31 (produced 2026-10-31T13:00:21+00:00), after the report: allocated (dated 2026-10-30)"}]}],"classification_history":{"4318e85ab30c3959":[{"raw_change_id":579257,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-31T18:28:01+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from REALNETWORKS LLC (ARIN) to Reliance Standard Life Insurance Company (ARIN) on 2026-10-30 16:38 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 2026-10-30)"}}