{"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":"74.112.152.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/74.112.152.0-74.112.159.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2009-04-22)"},"current_holder":{"rir":"RIPE NCC","org":"Colocation America Corporation","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":111116,"date":"2025-01-22T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Colocation America Corporation","range":"74.112.152.0/21","log":"RIPE NCC"},{"id":38557,"date":"2025-01-22T14:37:13Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Ultra Hosting","recipient_org":"Colocation America Corporation","range":"74.112.152.0/21","log":"ARIN"}],"events":[{"event_id":"de953a964ae90c54","registry":"ARIN","report_date":"2025-01-22","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"74.112.152.0/21","start":"74.112.152.0","end":"74.112.159.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Ultra Hosting","recipient_organization":"Colocation America Corporation","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:12:50+00:00","page":"https://rirtracker.com/ip/74.112.152.0-74.112.159.255/#e-de953a964ae90c54","report_page":"https://rirtracker.com/arin/reports/2025-01-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/74.112.152.0-74.112.159.255.json","observed":"74.112.152.0/21 allocated on 2025-01-22, not listed on 2025-01-23","same_transfer_as":"f11b99381a501d62","explanation":"ARIN's transfer log records a transfer from Ultra Hosting (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 14:37 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250123.gz","retrieved_at":"2026-10-12T23:53:30+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 74.112.152.0/21 allocated on 2025-01-22, not listed on 2025-01-23"},{"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 2025-01-22 14:37 UTC, Ultra Hosting (ARIN) to Colocation America Corporation (RIPE NCC); resources moved: 74.112.152.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250121.gz","retrieved_at":"2026-10-12T23:53:25+00:00","summary":"ARIN delegated statistics 2025-01-21 (produced 2025-01-21T14:01:07+00:00), before the report: allocated (dated 2009-04-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250123.gz","retrieved_at":"2026-10-12T23:53:30+00:00","summary":"ARIN delegated statistics 2025-01-23 (produced 2025-01-23T14:01:06+00:00), after the report: not listed"}]},{"event_id":"f11b99381a501d62","registry":"RIPE NCC","report_date":"2025-01-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"74.112.152.0/21","start":"74.112.152.0","end":"74.112.159.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Colocation America Corporation","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:21+00:00","page":"https://rirtracker.com/ip/74.112.152.0-74.112.159.255/#e-f11b99381a501d62","report_page":"https://rirtracker.com/ripe/reports/2025-01-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/74.112.152.0-74.112.159.255.json","observed":"Transfer: (no name) (ARIN) to Colocation America Corporation (RIPE NCC)","same_transfer_as":"de953a964ae90c54","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2025-01-22 19:00 UTC, (no name) (ARIN) to Colocation America Corporation (RIPE NCC); resources moved: 74.112.152.0/21"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250121.bz2","retrieved_at":"2026-10-13T00:50:39+00:00","summary":"RIPE NCC delegated statistics 2025-01-21 (produced 2025-01-21T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250122.bz2","retrieved_at":"2026-10-13T00:50:42+00:00","summary":"RIPE NCC delegated statistics 2025-01-22 (produced 2025-01-22T22:59:59+00:00), after the change: allocated (dated 2009-04-22)"}]},{"event_id":"9b1515ca54c6ebf3","registry":"ARIN","report_date":"2009-04-22","source":"arin_issued","raw_action":"ADD","raw_line":"Add 74.112.152.0-74.112.159.255","resource_type":"ipv4","resource":"74.112.152.0/21","start":"74.112.152.0","end":"74.112.159.255","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":"2026-10-13T23:50:45+00:00","page":"https://rirtracker.com/ip/74.112.152.0-74.112.159.255/#e-9b1515ca54c6ebf3","report_page":"https://rirtracker.com/arin/reports/2009-04-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/74.112.152.0-74.112.159.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-04-21 and allocated (dated 2009-04-22) on 2009-04-23. (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-April/000124.html","retrieved_at":"2026-10-12T18:36:13+00:00","summary":"ARIN-Issued report for 2009-04-22: \"Add 74.112.152.0-74.112.159.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090421.gz","retrieved_at":"2026-10-12T18:49:12+00:00","summary":"ARIN delegated statistics 2009-04-21, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090423.gz","retrieved_at":"2026-10-12T18:49:16+00:00","summary":"ARIN delegated statistics 2009-04-23, after the report: allocated (dated 2009-04-22)"}]}],"classification_history":{"de953a964ae90c54":[{"raw_change_id":474979,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T06:11:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ultra Hosting (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 14:37 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":474979,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:24+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ultra Hosting (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 14:37 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":474979,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ultra Hosting (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 14:37 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":474979,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:12:50+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Ultra Hosting (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 14:37 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"f11b99381a501d62":[{"raw_change_id":111858,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:07:54+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":111858,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:55+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":111858,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:25+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":111858,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:21+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Colocation America Corporation (RIPE NCC) on 2025-01-22 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"9b1515ca54c6ebf3":[{"raw_change_id":119515,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:11:17+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-04-21 and allocated (dated 2009-04-22) on 2009-04-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2009-01-14 (74.96.0.0-74.124.159.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":119515,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:14+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-04-21 and allocated (dated 2009-04-22) on 2009-04-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2009-01-14 (74.96.0.0-74.124.159.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":119515,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:47+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-04-21 and allocated (dated 2009-04-22) on 2009-04-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2009-01-14 (74.96.0.0-74.124.159.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":119515,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:45+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-04-21 and allocated (dated 2009-04-22) on 2009-04-23. (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":"not listed"}}