{"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":"204.152.224.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.152.224.0-204.152.231.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2009-02-18)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":5538,"date":"2014-10-31T20:39:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Cooplabs, Inc.","recipient_org":null,"range":"204.152.224.0/21","log":"ARIN"},{"id":124089,"date":"2014-10-30T04:41:19Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"COOPL","recipient_org":"SunnyVision Limited","range":"204.152.224.0/21","log":"APNIC"}],"events":[{"event_id":"f8bbf08c739302b0","registry":"ARIN","report_date":"2014-10-31","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"204.152.224.0/21","start":"204.152.224.0","end":"204.152.231.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Cooplabs, Inc.","recipient_organization":null,"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":"2026-10-14T00:00:11+00:00","page":"https://rirtracker.com/ip/204.152.224.0-204.152.231.255/#e-f8bbf08c739302b0","report_page":"https://rirtracker.com/arin/reports/2014-10-31/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.152.224.0-204.152.231.255.json","observed":"204.152.224.0/21 allocated on 2014-10-31, not listed on 2014-11-01","same_transfer_as":"799f27efea9c9e9b","explanation":"ARIN's transfer log records a transfer from Cooplabs, Inc. (ARIN) to an unnamed organization (APNIC) on 2014-10-31 20:39 UTC: it left ARIN for APNIC. 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/2014/delegated-arin-extended-20141101.gz","retrieved_at":"2026-10-12T20:43:23+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 204.152.224.0/21 allocated on 2014-10-31, not listed on 2014-11-01"},{"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 2014-10-31 20:39 UTC, Cooplabs, Inc. (ARIN) to (no name) (APNIC); resources moved: 204.152.224.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141030.gz","retrieved_at":"2026-10-12T20:43:12+00:00","summary":"ARIN delegated statistics 2014-10-30 (produced 2014-10-30T05:04:46+00:00), before the report: allocated (dated 2009-02-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141101.gz","retrieved_at":"2026-10-12T20:43:23+00:00","summary":"ARIN delegated statistics 2014-11-01 (produced 2014-11-01T05:05:02+00:00), after the report: not listed"}]},{"event_id":"799f27efea9c9e9b","registry":"APNIC","report_date":"2014-10-30","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.152.224.0/21","start":"204.152.224.0","end":"204.152.231.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"COOPL","recipient_organization":"SunnyVision Limited","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:30+00:00","page":"https://rirtracker.com/ip/204.152.224.0-204.152.231.255/#e-799f27efea9c9e9b","report_page":"https://rirtracker.com/apnic/reports/2014-10-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.152.224.0-204.152.231.255.json","observed":"Transfer: COOPL (ARIN) to SunnyVision Limited (APNIC)","same_transfer_as":"f8bbf08c739302b0","explanation":"APNIC's transfer log records a transfer from COOPL (ARIN) to SunnyVision Limited (APNIC) on 2014-10-30 04:41 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.apnic.net/stats/apnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T18:17:16+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2014-10-30 04:41 UTC, COOPL (ARIN) to SunnyVision Limited (APNIC); resources moved: 199.9.24.0/21, 204.152.224.0/21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20141030.gz","retrieved_at":"2026-10-12T21:04:20+00:00","summary":"APNIC delegated statistics 2014-10-30, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20141031.gz","retrieved_at":"2026-10-12T21:04:24+00:00","summary":"APNIC delegated statistics 2014-10-31, after the change: allocated (dated 2009-02-18)"}]},{"event_id":"0a74c30ddd5be6a4","registry":"ARIN","report_date":"2009-02-18","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.152.224.0-204.152.231.255","resource_type":"ipv4","resource":"204.152.224.0/21","start":"204.152.224.0","end":"204.152.231.255","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":"2026-10-13T23:50:44+00:00","page":"https://rirtracker.com/ip/204.152.224.0-204.152.231.255/#e-0a74c30ddd5be6a4","report_page":"https://rirtracker.com/arin/reports/2009-02-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.152.224.0-204.152.231.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-17 and allocated (dated 2009-02-18) on 2009-02-19. (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-February/000061.html","retrieved_at":"2026-10-12T18:36:09+00:00","summary":"ARIN-Issued report for 2009-02-18: \"Add 204.152.224.0-204.152.231.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090217.gz","retrieved_at":"2026-10-12T18:46:39+00:00","summary":"ARIN delegated statistics 2009-02-17, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090219.gz","retrieved_at":"2026-10-12T18:46:43+00:00","summary":"ARIN delegated statistics 2009-02-19, after the report: allocated (dated 2009-02-18)"}]}],"classification_history":{"f8bbf08c739302b0":[{"raw_change_id":291105,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:52:11+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Cooplabs, Inc. (ARIN) to an unnamed organization (APNIC) on 2014-10-31 20:39 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":291105,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:12:57+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Cooplabs, Inc. (ARIN) to an unnamed organization (APNIC) on 2014-10-31 20:39 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":291105,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:56:18+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Cooplabs, Inc. (ARIN) to an unnamed organization (APNIC) on 2014-10-31 20:39 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":291105,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:00:11+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Cooplabs, Inc. (ARIN) to an unnamed organization (APNIC) on 2014-10-31 20:39 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"799f27efea9c9e9b":[{"raw_change_id":32617,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:38+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from COOPL (ARIN) to SunnyVision Limited (APNIC) on 2014-10-30 04:41 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32617,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:47+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from COOPL (ARIN) to SunnyVision Limited (APNIC) on 2014-10-30 04:41 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32617,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:56+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from COOPL (ARIN) to SunnyVision Limited (APNIC) on 2014-10-30 04:41 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32617,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:30+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from COOPL (ARIN) to SunnyVision Limited (APNIC) on 2014-10-30 04:41 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"0a74c30ddd5be6a4":[{"raw_change_id":118990,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:11:03+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-17 and allocated (dated 2009-02-18) on 2009-02-19. (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":118990,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:13+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-17 and allocated (dated 2009-02-18) on 2009-02-19. (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":118990,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:46+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-17 and allocated (dated 2009-02-18) on 2009-02-19. (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":118990,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:44+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-17 and allocated (dated 2009-02-18) on 2009-02-19. (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"}}