{"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":"104.237.88.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/104.237.88.0-104.237.95.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2014-11-11)"},"current_holder":{"rir":"RIPE NCC","org":"MB97020-MNT","handle":"MB97020-MNT","how":"RDAP, looked up 2026-10-22 18:48 UTC"},"rdap_snapshots":[{"resource_type":"ipv4","start_key":"00000000000000000000000068ed5800","end_key":"00000000000000000000000068ed5fff","captured_at":"2026-10-22T18:48:57+00:00","reason":"7d","authoritative_rir":"RIPE NCC","handle":"104.237.88.0 - 104.237.95.255","name":"UK-NETWISE3-20141111","status":"active","org_handle":"MB97020-MNT","org_name":"MB97020-MNT","country_code":"GB","registration_date":"2026-10-14T14:02:32Z","last_changed_date":"2026-10-14T14:02:32Z","rdap_url":"https://rdap.arin.net/registry/ip/104.237.88.0"},{"resource_type":"ipv4","start_key":"00000000000000000000000068ed5800","end_key":"00000000000000000000000068ed5fff","captured_at":"2026-10-21T18:20:29+00:00","reason":"7d","authoritative_rir":"RIPE NCC","handle":"104.237.88.0 - 104.237.95.255","name":"UK-NETWISE3-20141111","status":"active","org_handle":"MB97020-MNT","org_name":"MB97020-MNT","country_code":"GB","registration_date":"2026-10-14T14:02:32Z","last_changed_date":"2026-10-14T14:02:32Z","rdap_url":"https://rdap.arin.net/registry/ip/104.237.88.0"},{"resource_type":"ipv4","start_key":"00000000000000000000000068ed5800","end_key":"00000000000000000000000068ed5fff","captured_at":"2026-10-17T18:18:28+00:00","reason":"24h","authoritative_rir":"RIPE NCC","handle":"104.237.88.0 - 104.237.95.255","name":"UK-NETWISE3-20141111","status":"active","org_handle":"MB97020-MNT","org_name":"MB97020-MNT","country_code":"GB","registration_date":"2026-10-14T14:02:32Z","last_changed_date":"2026-10-14T14:02:32Z","rdap_url":"https://rdap.arin.net/registry/ip/104.237.88.0"},{"resource_type":"ipv4","start_key":"00000000000000000000000068ed5800","end_key":"00000000000000000000000068ed5fff","captured_at":"2026-10-15T18:21:08+00:00","reason":"first","authoritative_rir":"RIPE NCC","handle":"104.237.88.0 - 104.237.95.255","name":"UK-NETWISE3-20141111","status":"active","org_handle":"MB97020-MNT","org_name":"MB97020-MNT","country_code":"GB","registration_date":"2026-10-14T14:02:32Z","last_changed_date":"2026-10-14T14:02:32Z","rdap_url":"https://rdap.arin.net/registry/ip/104.237.88.0"},{"resource_type":"ipv4","start_key":"00000000000000000000000068ed5800","end_key":"00000000000000000000000068ed5fff","captured_at":"2026-10-15T18:20:13+00:00","reason":"24h","authoritative_rir":"RIPE NCC","handle":"104.237.88.0 - 104.237.95.255","name":"UK-NETWISE3-20141111","status":"active","org_handle":"MB97020-MNT","org_name":"MB97020-MNT","country_code":"GB","registration_date":"2026-10-14T14:02:32Z","last_changed_date":"2026-10-14T14:02:32Z","rdap_url":"https://rdap.arin.net/registry/ip/104.237.88.0"},{"resource_type":"ipv4","start_key":"00000000000000000000000068ed5800","end_key":"00000000000000000000000068ed5fff","captured_at":"2026-10-14T18:17:34+00:00","reason":"first","authoritative_rir":"RIPE NCC","handle":"104.237.88.0 - 104.237.95.255","name":"UK-NETWISE3-20141111","status":"active","org_handle":"MB97020-MNT","org_name":"MB97020-MNT","country_code":"GB","registration_date":"2026-10-14T14:02:32Z","last_changed_date":"2026-10-14T14:02:32Z","rdap_url":"https://rdap.arin.net/registry/ip/104.237.88.0"}],"transfers":[{"id":133951,"date":"2026-10-14T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Netwise Hosting Ltd","range":"104.237.88.0/21","log":"RIPE NCC"},{"id":133960,"date":"2026-10-14T14:10:04Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"DOJ-USMS","recipient_org":"Netwise Hosting Ltd","range":"104.237.88.0/21","log":"ARIN"},{"id":35453,"date":"2024-05-08T22:10:30Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Micfo, LLC.","recipient_org":"U.S. Marshals Service in accordance with the Final Order of Forfeiture","range":"104.237.80.0/20","log":"ARIN"},{"id":17979,"date":"2019-05-23T20:12:54Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Univera Network","recipient_org":"Micfo, LLC.","range":"104.237.80.0/20","log":"ARIN"}],"events":[{"event_id":"31e2a6632c8a332d","registry":"ARIN","report_date":"2026-10-14","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"104.237.88.0/21","start":"104.237.88.0","end":"104.237.95.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"DOJ-USMS","recipient_organization":"Netwise Hosting Ltd","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-15T18:25:22+00:00","page":"https://rirtracker.com/ip/104.237.88.0-104.237.95.255/#e-31e2a6632c8a332d","report_page":"https://rirtracker.com/arin/reports/2026-10-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/104.237.88.0-104.237.95.255.json","observed":"104.237.88.0/21 allocated on 2026-10-14, not listed on 2026-10-15","same_transfer_as":"b3e940a2285f629f","explanation":"ARIN's transfer log records a transfer from DOJ-USMS (ARIN) to Netwise Hosting Ltd (RIPE NCC) on 2026-10-14 14:10 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261015","retrieved_at":"2026-10-15T18:17:14+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 104.237.88.0/21 allocated on 2026-10-14, not listed on 2026-10-15"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-15T18:17:08+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-10-14 14:10 UTC, DOJ-USMS (ARIN) to Netwise Hosting Ltd (RIPE NCC); resources moved: 104.237.88.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261013","retrieved_at":"2026-10-13T13:57:22+00:00","summary":"ARIN delegated statistics 2026-10-13 (produced 2026-10-13T13:00:21+00:00), before the report: allocated (dated 2014-11-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261015","retrieved_at":"2026-10-15T18:17:14+00:00","summary":"ARIN delegated statistics 2026-10-15 (produced 2026-10-15T13:00:21+00:00), after the report: not listed"}]},{"event_id":"b3e940a2285f629f","registry":"RIPE NCC","report_date":"2026-10-14","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"104.237.88.0/21","start":"104.237.88.0","end":"104.237.95.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Netwise Hosting Ltd","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T18:24:52+00:00","page":"https://rirtracker.com/ip/104.237.88.0-104.237.95.255/#e-b3e940a2285f629f","report_page":"https://rirtracker.com/ripe/reports/2026-10-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/104.237.88.0-104.237.95.255.json","observed":"Transfer: (no name) (ARIN) to Netwise Hosting Ltd (RIPE NCC)","same_transfer_as":"31e2a6632c8a332d","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Netwise Hosting Ltd (RIPE NCC) on 2026-10-14 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-14T18:17:13+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-10-14 19:00 UTC, (no name) (ARIN) to Netwise Hosting Ltd (RIPE NCC); resources moved: 104.237.88.0/21"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2026/delegated-ripencc-extended-20261013.bz2","retrieved_at":"2026-10-14T14:39:19+00:00","summary":"RIPE NCC delegated statistics 2026-10-13 (produced 2026-10-13T21:59:59+00:00), before the change: not listed"}]}],"classification_history":{"31e2a6632c8a332d":[{"raw_change_id":577687,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-15T18:25:22+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from DOJ-USMS (ARIN) to Netwise Hosting Ltd (RIPE NCC) on 2026-10-14 14:10 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"b3e940a2285f629f":[{"raw_change_id":577630,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T18:24:52+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Netwise Hosting Ltd (RIPE NCC) on 2026-10-14 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"not listed"}}