{"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":"216.184.40.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.184.40.0-216.184.47.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2019-04-09)"},"current_holder":{"rir":"ARIN","org":"Bloomingdale Communications Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":17341,"date":"2019-04-09T15:16:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"IOSAZ Intellectual Property LLC","recipient_org":"Bloomingdale Communications Inc.","range":"216.184.40.0/21","log":"ARIN"}],"events":[{"event_id":"19f5cff3eccb10bc","registry":"ARIN","report_date":"2019-04-09","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.184.40.0-216.184.47.255","resource_type":"ipv4","resource":"216.184.40.0/21","start":"216.184.40.0","end":"216.184.47.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"IOSAZ Intellectual Property LLC","recipient_organization":"Bloomingdale Communications Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:28+00:00","page":"https://rirtracker.com/ip/216.184.40.0-216.184.47.255/#e-19f5cff3eccb10bc","report_page":"https://rirtracker.com/arin/reports/2019-04-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.184.40.0-216.184.47.255.json","explanation":"ARIN's transfer log records a transfer from IOSAZ Intellectual Property LLC (ARIN) to Bloomingdale Communications Inc. (ARIN) on 2019-04-09 15:16 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/2019-April/003772.html","retrieved_at":"2026-10-12T18:40:26+00:00","summary":"ARIN-Issued report for 2019-04-09: \"Add 216.184.40.0-216.184.47.255\""},{"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 2019-04-09 15:16 UTC, IOSAZ Intellectual Property LLC (ARIN) to Bloomingdale Communications Inc. (ARIN); resources moved: 216.184.40.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190408.gz","retrieved_at":"2026-10-12T22:03:04+00:00","summary":"ARIN delegated statistics 2019-04-08 (produced 2019-04-08T05:00:11+00:00), before the report: allocated (dated 2018-03-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190410.gz","retrieved_at":"2026-10-12T22:03:09+00:00","summary":"ARIN delegated statistics 2019-04-10 (produced 2019-04-10T05:00:12+00:00), after the report: allocated (dated 2019-04-09)"}]},{"event_id":"4c7e027999045d19","registry":"ARIN","report_date":"2018-03-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.184.40.0-216.184.47.255","resource_type":"ipv4","resource":"216.184.40.0/21","start":"216.184.40.0","end":"216.184.47.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","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":"2026-10-13T23:52:07+00:00","page":"https://rirtracker.com/ip/216.184.40.0-216.184.47.255/#e-4c7e027999045d19","report_page":"https://rirtracker.com/arin/reports/2018-03-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.184.40.0-216.184.47.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. The tracker saw this range released from hold on 2010-12-02 (216.184.32.0-216.184.47.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-March/003395.html","retrieved_at":"2026-10-12T18:39:59+00:00","summary":"ARIN-Issued report for 2018-03-28: \"Add 216.184.40.0-216.184.47.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180327.gz","retrieved_at":"2026-10-12T21:43:45+00:00","summary":"ARIN delegated statistics 2018-03-27 (produced 2018-03-27T05:11:30+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180329.gz","retrieved_at":"2026-10-12T21:43:50+00:00","summary":"ARIN delegated statistics 2018-03-29 (produced 2018-03-29T05:11:28+00:00), after the report: allocated (dated 2018-03-28)"}]},{"event_id":"0194df88b510cb25","registry":"ARIN","report_date":"2018-03-28","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 216.184.40.0-216.184.47.255","resource_type":"ipv4","resource":"216.184.40.0/21","start":"216.184.40.0","end":"216.184.47.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:07+00:00","page":"https://rirtracker.com/ip/216.184.40.0-216.184.47.255/#e-0194df88b510cb25","report_page":"https://rirtracker.com/arin/reports/2018-03-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.184.40.0-216.184.47.255.json","explanation":"ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.184.40.0-216.184.47.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-March/003395.html","retrieved_at":"2026-10-12T18:39:59+00:00","summary":"ARIN-Issued report for 2018-03-28: \"Remove 216.184.40.0-216.184.47.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180327.gz","retrieved_at":"2026-10-12T21:43:45+00:00","summary":"ARIN delegated statistics 2018-03-27 (produced 2018-03-27T05:11:30+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180329.gz","retrieved_at":"2026-10-12T21:43:50+00:00","summary":"ARIN delegated statistics 2018-03-29 (produced 2018-03-29T05:11:28+00:00), after the report: allocated (dated 2018-03-28)"}]}],"classification_history":{"19f5cff3eccb10bc":[{"raw_change_id":159300,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:44:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IOSAZ Intellectual Property LLC (ARIN) to Bloomingdale Communications Inc. (ARIN) on 2019-04-09 15:16 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159300,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IOSAZ Intellectual Property LLC (ARIN) to Bloomingdale Communications Inc. (ARIN) on 2019-04-09 15:16 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159300,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:14+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IOSAZ Intellectual Property LLC (ARIN) to Bloomingdale Communications Inc. (ARIN) on 2019-04-09 15:16 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159300,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:28+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from IOSAZ Intellectual Property LLC (ARIN) to Bloomingdale Communications Inc. (ARIN) on 2019-04-09 15:16 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"4c7e027999045d19":[{"raw_change_id":153855,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:40:51+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. 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":153855,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:15+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. 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":153855,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:56+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. The tracker saw this range released from hold on 2010-12-02 (216.184.32.0-216.184.47.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":153855,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:07+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. The tracker saw this range released from hold on 2010-12-02 (216.184.32.0-216.184.47.255), so it appears to have been issued again from ARIN's pool."}],"0194df88b510cb25":[{"raw_change_id":153845,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:40:51+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.184.40.0-216.184.47.255. The issuance is explained on that line."},{"raw_change_id":153845,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:15+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.184.40.0-216.184.47.255. The issuance is explained on that line."},{"raw_change_id":153845,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:56+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.184.40.0-216.184.47.255. The issuance is explained on that line."},{"raw_change_id":153845,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:07+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2018-03-27 and allocated (dated 2018-03-28) on 2018-03-29. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.184.40.0-216.184.47.255. The issuance is explained on that line."}]},"arin_statistics_now":{"status":"allocated (dated 2019-04-09)"}}