{"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":"205.233.0.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/205.233.0.0-205.233.0.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2011-11-15)"},"current_holder":{"rir":"ARIN","org":"Google Cloud Mandiant","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":45464,"date":"2026-09-08T14:41:00Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Mandiant, Inc.","recipient_org":"Google Cloud Mandiant","range":"205.233.0.0/24","log":"ARIN"},{"id":26908,"date":"2022-02-08T22:15:23Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"MANDIANT Corp","recipient_org":"Mandiant, Inc.","range":"205.233.0.0/24","log":"ARIN"}],"events":[{"event_id":"862eba9d925512e5","registry":"ARIN","report_date":"2026-09-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"205.233.0.0/24","start":"205.233.0.0","end":"205.233.0.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Mandiant, Inc.","recipient_organization":"Google Cloud Mandiant","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:30+00:00","page":"https://rirtracker.com/ip/205.233.0.0-205.233.0.255/#e-862eba9d925512e5","report_page":"https://rirtracker.com/arin/reports/2026-09-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/205.233.0.0-205.233.0.255.json","observed":"Merger/acquisition: Mandiant, Inc. (ARIN) to Google Cloud Mandiant (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Mandiant, Inc. (ARIN) to Google Cloud Mandiant (ARIN) on 2026-09-08 14:41 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 2026-09-08 14:41 UTC, Mandiant, Inc. (ARIN) to Google Cloud Mandiant (ARIN); resources moved: 205.233.0.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260907","retrieved_at":"2026-10-09T19:07:16+00:00","summary":"ARIN delegated statistics 2026-09-07 (produced 2026-09-07T13:00:21+00:00), before the report: allocated (dated 2011-11-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260909","retrieved_at":"2026-10-09T19:07:22+00:00","summary":"ARIN delegated statistics 2026-09-09 (produced 2026-09-09T13:00:20+00:00), after the report: allocated (dated 2011-11-15)"}]},{"event_id":"a85b61703728b5c1","registry":"ARIN","report_date":"2022-02-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"205.233.0.0/24","start":"205.233.0.0","end":"205.233.0.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"MANDIANT Corp","recipient_organization":"Mandiant, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:00+00:00","page":"https://rirtracker.com/ip/205.233.0.0-205.233.0.255/#e-a85b61703728b5c1","report_page":"https://rirtracker.com/arin/reports/2022-02-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/205.233.0.0-205.233.0.255.json","observed":"Merger/acquisition: MANDIANT Corp (ARIN) to Mandiant, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from MANDIANT Corp (ARIN) to Mandiant, Inc. (ARIN) on 2022-02-08 22:15 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 2022-02-08 22:15 UTC, MANDIANT Corp (ARIN) to Mandiant, Inc. (ARIN); resources moved: 205.233.0.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220207.gz","retrieved_at":"2026-10-12T22:56:32+00:00","summary":"ARIN delegated statistics 2022-02-07 (produced 2022-02-07T14:00:10+00:00), before the report: allocated (dated 2011-11-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220209.gz","retrieved_at":"2026-10-12T22:56:37+00:00","summary":"ARIN delegated statistics 2022-02-09 (produced 2022-02-09T14:00:10+00:00), after the report: allocated (dated 2011-11-15)"}]},{"event_id":"ab8737f2a10feb12","registry":"ARIN","report_date":"2011-11-15","source":"arin_issued","raw_action":"ADD","raw_line":"Add 205.233.0.0-205.233.0.255","resource_type":"ipv4","resource":"205.233.0.0/24","start":"205.233.0.0","end":"205.233.0.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:57+00:00","page":"https://rirtracker.com/ip/205.233.0.0-205.233.0.255/#e-ab8737f2a10feb12","report_page":"https://rirtracker.com/arin/reports/2011-11-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/205.233.0.0-205.233.0.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-11-14 and assigned (dated 2011-11-15) on 2011-11-16. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2011-November/001069.html","retrieved_at":"2026-10-12T18:37:18+00:00","summary":"ARIN-Issued report for 2011-11-15: \"Add 205.233.0.0-205.233.0.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111114.gz","retrieved_at":"2026-10-12T19:27:42+00:00","summary":"ARIN delegated statistics 2011-11-14, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111116.gz","retrieved_at":"2026-10-12T19:27:46+00:00","summary":"ARIN delegated statistics 2011-11-16, after the report: assigned (dated 2011-11-15)"}]}],"classification_history":{"862eba9d925512e5":[{"raw_change_id":577196,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Mandiant, Inc. (ARIN) to Google Cloud Mandiant (ARIN) on 2026-09-08 14:41 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."}],"a85b61703728b5c1":[{"raw_change_id":564742,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:00+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from MANDIANT Corp (ARIN) to Mandiant, Inc. (ARIN) on 2022-02-08 22:15 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."}],"ab8737f2a10feb12":[{"raw_change_id":124921,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:15:33+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-11-14 and assigned (dated 2011-11-15) on 2011-11-16. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":124921,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:22+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-11-14 and assigned (dated 2011-11-15) on 2011-11-16. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":124921,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:56+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-11-14 and assigned (dated 2011-11-15) on 2011-11-16. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":124921,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:57+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-11-14 and assigned (dated 2011-11-15) on 2011-11-16. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2011-11-15)"}}