{"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":"104.153.76.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/104.153.76.0-104.153.79.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2014-07-29)"},"current_holder":{"rir":"ARIN","org":"Associated Banc-Corp","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":19390,"date":"2019-11-21T20:14:49Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Associated Bank","recipient_org":"Associated Banc-Corp","range":"104.153.76.0/22","log":"ARIN"}],"events":[{"event_id":"240bce064b35f11f","registry":"ARIN","report_date":"2019-11-21","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"104.153.76.0/22","start":"104.153.76.0","end":"104.153.79.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Associated Bank","recipient_organization":"Associated Banc-Corp","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/104.153.76.0-104.153.79.255/#e-240bce064b35f11f","report_page":"https://rirtracker.com/arin/reports/2019-11-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/104.153.76.0-104.153.79.255.json","observed":"Merger/acquisition: Associated Bank (ARIN) to Associated Banc-Corp (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Associated Bank (ARIN) to Associated Banc-Corp (ARIN) on 2019-11-21 20:14 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 2019-11-21 20:14 UTC, Associated Bank (ARIN) to Associated Banc-Corp (ARIN); resources moved: 104.153.76.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191120.gz","retrieved_at":"2026-10-12T22:14:39+00:00","summary":"ARIN delegated statistics 2019-11-20 (produced 2019-11-20T15:00:13+00:00), before the report: assigned (dated 2014-07-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191122.gz","retrieved_at":"2026-10-12T22:14:52+00:00","summary":"ARIN delegated statistics 2019-11-22 (produced 2019-11-22T15:00:13+00:00), after the report: assigned (dated 2014-07-29)"}]},{"event_id":"ce7fa8aa8a46b876","registry":"ARIN","report_date":"2014-07-29","source":"arin_issued","raw_action":"ADD","raw_line":"Add 104.153.76.0-104.153.79.255","resource_type":"ipv4","resource":"104.153.76.0/22","start":"104.153.76.0","end":"104.153.79.255","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":"2026-10-13T23:51:14+00:00","page":"https://rirtracker.com/ip/104.153.76.0-104.153.79.255/#e-ce7fa8aa8a46b876","report_page":"https://rirtracker.com/arin/reports/2014-07-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/104.153.76.0-104.153.79.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-28 and assigned (dated 2014-07-29) on 2014-07-30. 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/2014-July/002057.html","retrieved_at":"2026-10-12T18:38:26+00:00","summary":"ARIN-Issued report for 2014-07-29: \"Add 104.153.76.0-104.153.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140728.gz","retrieved_at":"2026-10-12T20:38:41+00:00","summary":"ARIN delegated statistics 2014-07-28 (produced 2014-07-28T05:03:52+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140730.gz","retrieved_at":"2026-10-12T20:38:47+00:00","summary":"ARIN delegated statistics 2014-07-30 (produced 2014-07-30T05:04:17+00:00), after the report: assigned (dated 2014-07-29)"}]}],"classification_history":{"240bce064b35f11f":[{"raw_change_id":559681,"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 Associated Bank (ARIN) to Associated Banc-Corp (ARIN) on 2019-11-21 20:14 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."}],"ce7fa8aa8a46b876":[{"raw_change_id":133267,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:25:54+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-28 and assigned (dated 2014-07-29) on 2014-07-30. 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":133267,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:35+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-28 and assigned (dated 2014-07-29) on 2014-07-30. 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":133267,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:11+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-28 and assigned (dated 2014-07-29) on 2014-07-30. 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":133267,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:14+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-28 and assigned (dated 2014-07-29) on 2014-07-30. 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 2014-07-29)"}}