{"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":"204.11.72.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.11.72.0-204.11.79.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2009-01-30)"},"current_holder":{"rir":"ARIN","org":"Consolidated Communications, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":18364,"date":"2019-06-28T12:28:52Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Champaign Telephone Company, INC.","recipient_org":"Consolidated Communications, Inc.","range":"204.11.72.0/21","log":"ARIN"}],"events":[{"event_id":"9b7c53c9c2ead209","registry":"ARIN","report_date":"2019-06-28","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.11.72.0/21","start":"204.11.72.0","end":"204.11.79.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Champaign Telephone Company, INC.","recipient_organization":"Consolidated Communications, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:45+00:00","page":"https://rirtracker.com/ip/204.11.72.0-204.11.79.255/#e-9b7c53c9c2ead209","report_page":"https://rirtracker.com/arin/reports/2019-06-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.11.72.0-204.11.79.255.json","observed":"Merger/acquisition: Champaign Telephone Company, INC. (ARIN) to Consolidated Communications, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Champaign Telephone Company, INC. (ARIN) to Consolidated Communications, Inc. (ARIN) on 2019-06-28 12:28 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 2019-06-28 12:28 UTC, Champaign Telephone Company, INC. (ARIN) to Consolidated Communications, Inc. (ARIN); resources moved: 204.11.72.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190627.gz","retrieved_at":"2026-10-12T22:07:13+00:00","summary":"ARIN delegated statistics 2019-06-27 (produced 2019-06-27T14:00:16+00:00), before the report: allocated (dated 2009-01-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190629.gz","retrieved_at":"2026-10-12T22:07:18+00:00","summary":"ARIN delegated statistics 2019-06-29 (produced 2019-06-29T14:00:17+00:00), after the report: allocated (dated 2009-01-30)"}]},{"event_id":"fe1dc3ca007bcb51","registry":"ARIN","report_date":"2009-01-30","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.11.72.0-204.11.79.255","resource_type":"ipv4","resource":"204.11.72.0/21","start":"204.11.72.0","end":"204.11.79.255","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":"2026-10-13T23:46:26+00:00","page":"https://rirtracker.com/ip/204.11.72.0-204.11.79.255/#e-fe1dc3ca007bcb51","report_page":"https://rirtracker.com/arin/reports/2009-01-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.11.72.0-204.11.79.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (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/2009-January/000042.html","retrieved_at":"2026-10-12T18:35:38+00:00","summary":"ARIN-Issued report for 2009-01-30: \"Add 204.11.72.0-204.11.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090129.gz","retrieved_at":"2026-10-12T18:45:51+00:00","summary":"ARIN delegated statistics 2009-01-29, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090131.gz","retrieved_at":"2026-10-12T18:45:59+00:00","summary":"ARIN delegated statistics 2009-01-31, after the report: allocated (dated 2009-01-30)"}]},{"event_id":"e0be4e97b92f5516","registry":"ARIN","report_date":"2009-01-30","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 204.11.72.0-204.11.79.255","resource_type":"ipv4","resource":"204.11.72.0/21","start":"204.11.72.0","end":"204.11.79.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:25+00:00","page":"https://rirtracker.com/ip/204.11.72.0-204.11.79.255/#e-e0be4e97b92f5516","report_page":"https://rirtracker.com/arin/reports/2009-01-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.11.72.0-204.11.79.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2009-January/000042.html","retrieved_at":"2026-10-12T18:35:38+00:00","summary":"ARIN-Issued report for 2009-01-30: \"Remove 204.11.72.0-204.11.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090129.gz","retrieved_at":"2026-10-12T18:45:51+00:00","summary":"ARIN delegated statistics 2009-01-29, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090131.gz","retrieved_at":"2026-10-12T18:45:59+00:00","summary":"ARIN delegated statistics 2009-01-31, after the report: allocated (dated 2009-01-30)"}]}],"classification_history":{"9b7c53c9c2ead209":[{"raw_change_id":559029,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:45+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Champaign Telephone Company, INC. (ARIN) to Consolidated Communications, Inc. (ARIN) on 2019-06-28 12:28 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."}],"fe1dc3ca007bcb51":[{"raw_change_id":30305,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T02:33:13+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (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":30305,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:43+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (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":30305,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:52+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (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":30305,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:26+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (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."}],"e0be4e97b92f5516":[{"raw_change_id":30300,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T02:33:13+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":30300,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:43+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":30300,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:52+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":30300,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:25+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-01-29 and allocated (dated 2009-01-30) on 2009-01-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."}]},"arin_statistics_now":{"status":"allocated (dated 2009-01-30)"}}