{"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":"199.83.220.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/199.83.220.0-199.83.223.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2011-01-26)"},"current_holder":{"rir":"ARIN","org":"Another Corporate ISP, LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":25229,"date":"2021-07-26T22:06:10Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Monkey Brains","recipient_org":"Another Corporate ISP, LLC","range":"199.83.220.0/22","log":"ARIN"}],"events":[{"event_id":"0e3380aa4f2f2fce","registry":"ARIN","report_date":"2021-07-26","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"199.83.220.0/22","start":"199.83.220.0","end":"199.83.223.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Monkey Brains","recipient_organization":"Another Corporate ISP, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:57+00:00","page":"https://rirtracker.com/ip/199.83.220.0-199.83.223.255/#e-0e3380aa4f2f2fce","report_page":"https://rirtracker.com/arin/reports/2021-07-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/199.83.220.0-199.83.223.255.json","observed":"Merger/acquisition: Monkey Brains (ARIN) to Another Corporate ISP, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Monkey Brains (ARIN) to Another Corporate ISP, LLC (ARIN) on 2021-07-26 22:06 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 2021-07-26 22:06 UTC, Monkey Brains (ARIN) to Another Corporate ISP, LLC (ARIN); resources moved: 199.83.220.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210725.gz","retrieved_at":"2026-10-12T22:46:16+00:00","summary":"ARIN delegated statistics 2021-07-25 (produced 2021-07-25T14:00:13+00:00), before the report: allocated (dated 2011-01-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210727.gz","retrieved_at":"2026-10-12T22:46:21+00:00","summary":"ARIN delegated statistics 2021-07-27 (produced 2021-07-27T14:00:13+00:00), after the report: allocated (dated 2011-01-26)"}]},{"event_id":"8b1e53adf61cd8ac","registry":"ARIN","report_date":"2011-01-26","source":"arin_issued","raw_action":"ADD","raw_line":"Add 199.83.220.0-199.83.223.255","resource_type":"ipv4","resource":"199.83.220.0/22","start":"199.83.220.0","end":"199.83.223.255","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":"2026-10-13T23:50:51+00:00","page":"https://rirtracker.com/ip/199.83.220.0-199.83.223.255/#e-8b1e53adf61cd8ac","report_page":"https://rirtracker.com/arin/reports/2011-01-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/199.83.220.0-199.83.223.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-01-25 and allocated (dated 2011-01-26) on 2011-01-27. (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-January/000772.html","retrieved_at":"2026-10-12T18:36:57+00:00","summary":"ARIN-Issued report for 2011-01-26: \"Add 199.83.220.0-199.83.223.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110125.gz","retrieved_at":"2026-10-12T19:15:39+00:00","summary":"ARIN delegated statistics 2011-01-25, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110127.gz","retrieved_at":"2026-10-12T19:15:43+00:00","summary":"ARIN delegated statistics 2011-01-27, after the report: allocated (dated 2011-01-26)"}]}],"classification_history":{"0e3380aa4f2f2fce":[{"raw_change_id":563666,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:57+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Monkey Brains (ARIN) to Another Corporate ISP, LLC (ARIN) on 2021-07-26 22:06 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."}],"8b1e53adf61cd8ac":[{"raw_change_id":122535,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:13:13+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-01-25 and allocated (dated 2011-01-26) on 2011-01-27. (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":122535,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:18+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-01-25 and allocated (dated 2011-01-26) on 2011-01-27. (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":122535,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:51+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-01-25 and allocated (dated 2011-01-26) on 2011-01-27. (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":122535,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:51+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-01-25 and allocated (dated 2011-01-26) on 2011-01-27. (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 2011-01-26)"}}