{"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":"23.29.160.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/23.29.160.0-23.29.191.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2012-03-26)"},"current_holder":{"rir":"ARIN","org":"MCI Communications Services, Inc. d/b/a Verizon Business","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":26816,"date":"2022-01-28T20:09:27Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Bluegrass Cellular Inc.","recipient_org":"MCI Communications Services, Inc. d/b/a Verizon Business","range":"23.29.160.0/19","log":"ARIN"}],"events":[{"event_id":"6d7f29dafd9917e6","registry":"ARIN","report_date":"2022-01-28","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"23.29.160.0/19","start":"23.29.160.0","end":"23.29.191.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Bluegrass Cellular Inc.","recipient_organization":"MCI Communications Services, Inc. d/b/a Verizon Business","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/23.29.160.0-23.29.191.255/#e-6d7f29dafd9917e6","report_page":"https://rirtracker.com/arin/reports/2022-01-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/23.29.160.0-23.29.191.255.json","observed":"Merger/acquisition: Bluegrass Cellular Inc. (ARIN) to MCI Communications Services, Inc. d/b/a Verizon Business (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Bluegrass Cellular Inc. (ARIN) to MCI Communications Services, Inc. d/b/a Verizon Business (ARIN) on 2022-01-28 20:09 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 2022-01-28 20:09 UTC, Bluegrass Cellular Inc. (ARIN) to MCI Communications Services, Inc. d/b/a Verizon Business (ARIN); resources moved: 23.29.160.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220127.gz","retrieved_at":"2026-10-12T22:55:56+00:00","summary":"ARIN delegated statistics 2022-01-27 (produced 2022-01-27T14:00:10+00:00), before the report: allocated (dated 2012-03-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220129.gz","retrieved_at":"2026-10-12T22:56:11+00:00","summary":"ARIN delegated statistics 2022-01-29 (produced 2022-01-29T14:00:10+00:00), after the report: allocated (dated 2012-03-26)"}]},{"event_id":"c5d8faab9b5edd6f","registry":"ARIN","report_date":"2012-03-26","source":"arin_issued","raw_action":"ADD","raw_line":"Add 23.29.160.0-23.29.191.255","resource_type":"ipv4","resource":"23.29.160.0/19","start":"23.29.160.0","end":"23.29.191.255","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":"2026-10-13T23:50:58+00:00","page":"https://rirtracker.com/ip/23.29.160.0-23.29.191.255/#e-c5d8faab9b5edd6f","report_page":"https://rirtracker.com/arin/reports/2012-03-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/23.29.160.0-23.29.191.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-25 and allocated (dated 2012-03-26) on 2012-03-27. (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/2012-March/001201.html","retrieved_at":"2026-10-12T18:37:27+00:00","summary":"ARIN-Issued report for 2012-03-26: \"Add 23.29.160.0-23.29.191.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120325.gz","retrieved_at":"2026-10-12T19:33:31+00:00","summary":"ARIN delegated statistics 2012-03-25, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120327.gz","retrieved_at":"2026-10-12T19:33:35+00:00","summary":"ARIN delegated statistics 2012-03-27, after the report: allocated (dated 2012-03-26)"}]}],"classification_history":{"6d7f29dafd9917e6":[{"raw_change_id":564680,"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 Bluegrass Cellular Inc. (ARIN) to MCI Communications Services, Inc. d/b/a Verizon Business (ARIN) on 2022-01-28 20:09 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."}],"c5d8faab9b5edd6f":[{"raw_change_id":125829,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:16:41+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-25 and allocated (dated 2012-03-26) on 2012-03-27. (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":125829,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:24+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-25 and allocated (dated 2012-03-26) on 2012-03-27. (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":125829,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:58+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-25 and allocated (dated 2012-03-26) on 2012-03-27. (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":125829,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:58+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-03-25 and allocated (dated 2012-03-26) on 2012-03-27. (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 2012-03-26)"}}