{"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":"198.181.163.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.181.163.0-198.181.163.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-07-27)"},"current_holder":{"rir":"ARIN","org":"Mudhook Marketing Inc","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":21151,"date":"2020-07-27T18:22:50Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"US computing LLC","recipient_org":"Mudhook Marketing Inc","range":"198.181.163.0/24","log":"ARIN"},{"id":16827,"date":"2019-01-22T17:06:50Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Pinnacle OnLine","recipient_org":"US computing LLC","range":"198.181.163.0/24","log":"ARIN"}],"events":[{"event_id":"beb6c6aa0487d19d","registry":"ARIN","report_date":"2020-07-27","source":"arin_issued","raw_action":"ADD","raw_line":"Add 198.181.163.0-198.181.163.255","resource_type":"ipv4","resource":"198.181.163.0/24","start":"198.181.163.0","end":"198.181.163.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"US computing LLC","recipient_organization":"Mudhook Marketing Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:54+00:00","page":"https://rirtracker.com/ip/198.181.163.0-198.181.163.255/#e-beb6c6aa0487d19d","report_page":"https://rirtracker.com/arin/reports/2020-07-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.181.163.0-198.181.163.255.json","explanation":"ARIN's transfer log records a transfer from US computing LLC (ARIN) to Mudhook Marketing Inc (ARIN) on 2020-07-27 18:22 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/2020-July/004245.html","retrieved_at":"2026-10-12T18:40:58+00:00","summary":"ARIN-Issued report for 2020-07-27: \"Add 198.181.163.0-198.181.163.255\""},{"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 2020-07-27 18:22 UTC, US computing LLC (ARIN) to Mudhook Marketing Inc (ARIN); resources moved: 198.181.163.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200726.gz","retrieved_at":"2026-10-12T22:27:42+00:00","summary":"ARIN delegated statistics 2020-07-26 (produced 2020-07-26T14:00:13+00:00), before the report: allocated (dated 1993-11-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200728.gz","retrieved_at":"2026-10-12T22:27:46+00:00","summary":"ARIN delegated statistics 2020-07-28 (produced 2020-07-28T14:00:12+00:00), after the report: assigned (dated 2020-07-27)"}]},{"event_id":"192096e082b3f0f9","registry":"ARIN","report_date":"2019-01-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"198.181.163.0/24","start":"198.181.163.0","end":"198.181.163.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Pinnacle OnLine","recipient_organization":"US computing LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","page":"https://rirtracker.com/ip/198.181.163.0-198.181.163.255/#e-192096e082b3f0f9","report_page":"https://rirtracker.com/arin/reports/2019-01-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.181.163.0-198.181.163.255.json","observed":"Merger/acquisition: Pinnacle OnLine (ARIN) to US computing LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Pinnacle OnLine (ARIN) to US computing LLC (ARIN) on 2019-01-22 17:06 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 2019-01-22 17:06 UTC, Pinnacle OnLine (ARIN) to US computing LLC (ARIN); resources moved: 198.181.163.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190121.gz","retrieved_at":"2026-10-12T21:59:08+00:00","summary":"ARIN delegated statistics 2019-01-21 (produced 2019-01-21T06:00:17+00:00), before the report: assigned (dated 1993-11-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190123.gz","retrieved_at":"2026-10-12T21:59:13+00:00","summary":"ARIN delegated statistics 2019-01-23 (produced 2019-01-23T06:00:17+00:00), after the report: allocated (dated 1993-11-26)"}]}],"classification_history":{"beb6c6aa0487d19d":[{"raw_change_id":166717,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:49:09+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from US computing LLC (ARIN) to Mudhook Marketing Inc (ARIN) on 2020-07-27 18:22 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166717,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from US computing LLC (ARIN) to Mudhook Marketing Inc (ARIN) on 2020-07-27 18:22 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166717,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:36+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from US computing LLC (ARIN) to Mudhook Marketing Inc (ARIN) on 2020-07-27 18:22 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166717,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:54+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from US computing LLC (ARIN) to Mudhook Marketing Inc (ARIN) on 2020-07-27 18:22 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"192096e082b3f0f9":[{"raw_change_id":557849,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Pinnacle OnLine (ARIN) to US computing LLC (ARIN) on 2019-01-22 17:06 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 2020-07-27)"}}