{"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":"198.135.184.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.135.184.0-198.135.184.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-04-30)"},"current_holder":{"rir":"ARIN","org":"Palo Alto Networks, Inc","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":20569,"date":"2020-04-30T17:47:55Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AECOM","recipient_org":"Palo Alto Networks, Inc","range":"198.135.184.0/24","log":"ARIN"},{"id":19124,"date":"2019-10-16T20:48:42Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"RUST Environment & Infrastructure Inc.","recipient_org":"AECOM","range":"198.135.184.0/24","log":"ARIN"}],"events":[{"event_id":"8fcb6ee276a60b13","registry":"ARIN","report_date":"2020-04-30","source":"arin_issued","raw_action":"ADD","raw_line":"Add 198.135.184.0-198.135.184.255","resource_type":"ipv4","resource":"198.135.184.0/24","start":"198.135.184.0","end":"198.135.184.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AECOM","recipient_organization":"Palo Alto Networks, Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:49+00:00","page":"https://rirtracker.com/ip/198.135.184.0-198.135.184.255/#e-8fcb6ee276a60b13","report_page":"https://rirtracker.com/arin/reports/2020-04-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.135.184.0-198.135.184.255.json","explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Palo Alto Networks, Inc (ARIN) on 2020-04-30 17:47 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-April/004157.html","retrieved_at":"2026-10-12T18:40:52+00:00","summary":"ARIN-Issued report for 2020-04-30: \"Add 198.135.184.0-198.135.184.255\""},{"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 2020-04-30 17:47 UTC, AECOM (ARIN) to Palo Alto Networks, Inc (ARIN); resources moved: 198.135.184.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200429.gz","retrieved_at":"2026-10-12T22:23:11+00:00","summary":"ARIN delegated statistics 2020-04-29 (produced 2020-04-29T14:00:12+00:00), before the report: assigned (dated 1993-05-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200501.gz","retrieved_at":"2026-10-12T22:23:17+00:00","summary":"ARIN delegated statistics 2020-05-01 (produced 2020-05-01T14:00:14+00:00), after the report: allocated (dated 2020-04-30)"}]},{"event_id":"01045096b6544d80","registry":"ARIN","report_date":"2019-10-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"198.135.184.0/24","start":"198.135.184.0","end":"198.135.184.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"RUST Environment & Infrastructure Inc.","recipient_organization":"AECOM","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:47+00:00","page":"https://rirtracker.com/ip/198.135.184.0-198.135.184.255/#e-01045096b6544d80","report_page":"https://rirtracker.com/arin/reports/2019-10-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.135.184.0-198.135.184.255.json","observed":"Merger/acquisition: RUST Environment & Infrastructure Inc. (ARIN) to AECOM (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from RUST Environment & Infrastructure Inc. (ARIN) to AECOM (ARIN) on 2019-10-16 20:48 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 2019-10-16 20:48 UTC, RUST Environment & Infrastructure Inc. (ARIN) to AECOM (ARIN); resources moved: 198.135.184.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191015.gz","retrieved_at":"2026-10-12T22:12:48+00:00","summary":"ARIN delegated statistics 2019-10-15 (produced 2019-10-15T14:00:13+00:00), before the report: assigned (dated 1993-06-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191017.gz","retrieved_at":"2026-10-12T22:12:53+00:00","summary":"ARIN delegated statistics 2019-10-17 (produced 2019-10-17T14:00:13+00:00), after the report: assigned (dated 1993-06-22)"}]}],"classification_history":{"8fcb6ee276a60b13":[{"raw_change_id":165248,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:48:02+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Palo Alto Networks, Inc (ARIN) on 2020-04-30 17:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":165248,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Palo Alto Networks, Inc (ARIN) on 2020-04-30 17:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":165248,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:32+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Palo Alto Networks, Inc (ARIN) on 2020-04-30 17:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":165248,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:49+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Palo Alto Networks, Inc (ARIN) on 2020-04-30 17:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"01045096b6544d80":[{"raw_change_id":559487,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:47+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from RUST Environment & Infrastructure Inc. (ARIN) to AECOM (ARIN) on 2019-10-16 20:48 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 2020-04-30)"}}