{"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":"163.123.220.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/163.123.220.0-163.123.223.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-09-29)"},"current_holder":{"rir":"ARIN","org":"NetSWAT LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":36308,"date":"2024-08-07T21:08:31Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Tunbroker LLC","recipient_org":"NetSWAT LLC","range":"163.123.220.0/22","log":"ARIN"},{"id":12017,"date":"2018-02-05T15:37:57Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Virtuzo","recipient_org":"OppoBox LLC","range":"163.123.128.0/17","log":"ARIN"}],"events":[{"event_id":"814c91a1043cf870","registry":"ARIN","report_date":"2024-08-07","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"163.123.220.0/22","start":"163.123.220.0","end":"163.123.223.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Tunbroker LLC","recipient_organization":"NetSWAT LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:16+00:00","page":"https://rirtracker.com/ip/163.123.220.0-163.123.223.255/#e-814c91a1043cf870","report_page":"https://rirtracker.com/arin/reports/2024-08-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.123.220.0-163.123.223.255.json","observed":"Merger/acquisition: Tunbroker LLC (ARIN) to NetSWAT LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Tunbroker LLC (ARIN) to NetSWAT LLC (ARIN) on 2024-08-07 21:08 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 2024-08-07 21:08 UTC, Tunbroker LLC (ARIN) to NetSWAT LLC (ARIN); resources moved: 163.123.220.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240806.gz","retrieved_at":"2026-10-12T23:44:30+00:00","summary":"ARIN delegated statistics 2024-08-06 (produced 2024-08-06T13:00:51+00:00), before the report: allocated (dated 2020-09-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240808.gz","retrieved_at":"2026-10-12T23:44:35+00:00","summary":"ARIN delegated statistics 2024-08-08 (produced 2024-08-08T13:00:51+00:00), after the report: allocated (dated 2020-09-29)"}]},{"event_id":"7cc06e2bd575bd6e","registry":"ARIN","report_date":"2020-09-29","source":"arin_issued","raw_action":"ADD","raw_line":"Add 163.123.220.0-163.123.223.255","resource_type":"ipv4","resource":"163.123.220.0/22","start":"163.123.220.0","end":"163.123.223.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:52:58+00:00","page":"https://rirtracker.com/ip/163.123.220.0-163.123.223.255/#e-7cc06e2bd575bd6e","report_page":"https://rirtracker.com/arin/reports/2020-09-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.123.220.0-163.123.223.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2020-09-28 and allocated (dated 2020-09-29) on 2020-09-30. The tracker saw this range released from hold on 2020-09-28 (163.123.133.0-163.123.255.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2020-09-28: Remove 163.123.133.0-163.123.255.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2020-September/004309.html","retrieved_at":"2026-10-12T18:41:02+00:00","summary":"ARIN-Issued report for 2020-09-29: \"Add 163.123.220.0-163.123.223.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200928.gz","retrieved_at":"2026-10-12T22:31:00+00:00","summary":"ARIN delegated statistics 2020-09-28 (produced 2020-09-28T14:00:14+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200930.gz","retrieved_at":"2026-10-12T22:31:06+00:00","summary":"ARIN delegated statistics 2020-09-30 (produced 2020-09-30T14:00:13+00:00), after the report: allocated (dated 2020-09-29)"}]}],"classification_history":{"814c91a1043cf870":[{"raw_change_id":571483,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:16+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Tunbroker LLC (ARIN) to NetSWAT LLC (ARIN) on 2024-08-07 21:08 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."}],"7cc06e2bd575bd6e":[{"raw_change_id":167607,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:49:46+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2020-09-28 and allocated (dated 2020-09-29) on 2020-09-30. The tracker saw this range released from hold on 2020-09-28 (163.123.133.0-163.123.255.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2020-09-28: Remove 163.123.133.0-163.123.255.255), so the before-and-after statistics may include it."},{"raw_change_id":167607,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:53+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2020-09-28 and allocated (dated 2020-09-29) on 2020-09-30. The tracker saw this range released from hold on 2020-09-28 (163.123.133.0-163.123.255.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2020-09-28: Remove 163.123.133.0-163.123.255.255), so the before-and-after statistics may include it."},{"raw_change_id":167607,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:39+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2020-09-28 and allocated (dated 2020-09-29) on 2020-09-30. The tracker saw this range released from hold on 2020-09-28 (163.123.133.0-163.123.255.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2020-09-28: Remove 163.123.133.0-163.123.255.255), so the before-and-after statistics may include it."},{"raw_change_id":167607,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:58+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2020-09-28 and allocated (dated 2020-09-29) on 2020-09-30. The tracker saw this range released from hold on 2020-09-28 (163.123.133.0-163.123.255.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2020-09-28: Remove 163.123.133.0-163.123.255.255), so the before-and-after statistics may include it."}]},"arin_statistics_now":{"status":"allocated (dated 2020-09-29)"}}