{"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":"43.255.52.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/43.255.52.0-43.255.55.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2014-07-30)"},"current_holder":{"rir":"APNIC","org":"TIANFENG (HONG KONG) COMMUNICATIONS LIMITED","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":130261,"date":"2025-06-20T05:31:02Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Winspeed Group International Limited","recipient_org":"TIANFENG (HONG KONG) COMMUNICATIONS LIMITED","range":"43.255.52.0/22","log":"APNIC"},{"id":124376,"date":"2016-02-18T01:36:16Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Winspeed Cloud Limited","recipient_org":"Winspeed Group International Limited","range":"43.255.52.0/22","log":"APNIC"}],"events":[{"event_id":"9ea2cea4b76ea6a4","registry":"APNIC","report_date":"2025-06-20","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"43.255.52.0/22","start":"43.255.52.0","end":"43.255.55.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Winspeed Group International Limited","recipient_organization":"TIANFENG (HONG KONG) COMMUNICATIONS LIMITED","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:54+00:00","page":"https://rirtracker.com/ip/43.255.52.0-43.255.55.255/#e-9ea2cea4b76ea6a4","report_page":"https://rirtracker.com/apnic/reports/2025-06-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/43.255.52.0-43.255.55.255.json","observed":"Transfer: Winspeed Group International Limited (APNIC) to TIANFENG (HONG KONG) COMMUNICATIONS LIMITED (APNIC)","explanation":"APNIC's transfer log records a transfer from Winspeed Group International Limited (APNIC) to TIANFENG (HONG KONG) COMMUNICATIONS LIMITED (APNIC) on 2025-06-20 05:31 UTC. The registration changed hands; it is not a new allocation from APNIC.","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 2025-06-20 05:31 UTC, Winspeed Group International Limited (APNIC) to TIANFENG (HONG KONG) COMMUNICATIONS LIMITED (APNIC); resources moved: 43.255.52.0/22"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250620.gz","retrieved_at":"2026-10-13T01:39:42+00:00","summary":"APNIC delegated statistics 2025-06-20, before the change: allocated (dated 2014-07-30)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250621.gz","retrieved_at":"2026-10-13T01:39:47+00:00","summary":"APNIC delegated statistics 2025-06-21, after the change: allocated (dated 2014-07-30)"}]},{"event_id":"93825e08afa2831c","registry":"APNIC","report_date":"2016-02-18","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"43.255.52.0/22","start":"43.255.52.0","end":"43.255.55.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Winspeed Cloud Limited","recipient_organization":"Winspeed Group International Limited","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:32+00:00","page":"https://rirtracker.com/ip/43.255.52.0-43.255.55.255/#e-93825e08afa2831c","report_page":"https://rirtracker.com/apnic/reports/2016-02-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/43.255.52.0-43.255.55.255.json","observed":"Transfer: Winspeed Cloud Limited (APNIC) to Winspeed Group International Limited (APNIC)","explanation":"APNIC's transfer log records a transfer from Winspeed Cloud Limited (APNIC) to Winspeed Group International Limited (APNIC) on 2016-02-18 01:36 UTC. The registration changed hands; it is not a new allocation from APNIC.","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 2016-02-18 01:36 UTC, Winspeed Cloud Limited (APNIC) to Winspeed Group International Limited (APNIC); resources moved: 43.255.52.0/22, 103.227.128.0/22"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160218.gz","retrieved_at":"2026-10-12T21:33:49+00:00","summary":"APNIC delegated statistics 2016-02-18, before the change: allocated (dated 2014-07-30)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160219.gz","retrieved_at":"2026-10-12T21:33:52+00:00","summary":"APNIC delegated statistics 2016-02-19, after the change: allocated (dated 2014-07-30)"}]},{"event_id":"6a8466eddacc7438","registry":"APNIC","report_date":"2014-07-30","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"43.255.52.0/22","start":"43.255.52.0","end":"43.255.55.255","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 APNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:19+00:00","page":"https://rirtracker.com/ip/43.255.52.0-43.255.55.255/#e-6a8466eddacc7438","report_page":"https://rirtracker.com/apnic/reports/2014-07-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/43.255.52.0-43.255.55.255.json","observed":"43.255.52.0/22 available on 2014-07-30, allocated on 2014-07-31","explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-30 and allocated (dated 2014-07-30) on 2014-07-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140731.gz","retrieved_at":"2026-10-12T20:58:15+00:00","summary":"Found by comparing APNIC's daily statistics: 43.255.52.0/22 available on 2014-07-30, allocated on 2014-07-31"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140730.gz","retrieved_at":"2026-10-12T20:58:12+00:00","summary":"APNIC delegated statistics 2014-07-30, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140731.gz","retrieved_at":"2026-10-12T20:58:15+00:00","summary":"APNIC delegated statistics 2014-07-31, after the change: allocated (dated 2014-07-30)"}]}],"classification_history":{"9ea2cea4b76ea6a4":[{"raw_change_id":42479,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:38:55+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Winspeed Group International Limited (APNIC) to TIANFENG (HONG KONG) COMMUNICATIONS LIMITED (APNIC) on 2025-06-20 05:31 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":42479,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:07+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Winspeed Group International Limited (APNIC) to TIANFENG (HONG KONG) COMMUNICATIONS LIMITED (APNIC) on 2025-06-20 05:31 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":42479,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:18+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Winspeed Group International Limited (APNIC) to TIANFENG (HONG KONG) COMMUNICATIONS LIMITED (APNIC) on 2025-06-20 05:31 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":42479,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:54+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Winspeed Group International Limited (APNIC) to TIANFENG (HONG KONG) COMMUNICATIONS LIMITED (APNIC) on 2025-06-20 05:31 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"93825e08afa2831c":[{"raw_change_id":33384,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:58+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Winspeed Cloud Limited (APNIC) to Winspeed Group International Limited (APNIC) on 2016-02-18 01:36 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33384,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:48+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Winspeed Cloud Limited (APNIC) to Winspeed Group International Limited (APNIC) on 2016-02-18 01:36 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33384,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:57+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Winspeed Cloud Limited (APNIC) to Winspeed Group International Limited (APNIC) on 2016-02-18 01:36 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33384,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:32+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Winspeed Cloud Limited (APNIC) to Winspeed Group International Limited (APNIC) on 2016-02-18 01:36 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"6a8466eddacc7438":[{"raw_change_id":307337,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:59:13+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-30 and allocated (dated 2014-07-30) on 2014-07-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":307337,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:13:56+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-30 and allocated (dated 2014-07-30) on 2014-07-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":307337,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:20+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-30 and allocated (dated 2014-07-30) on 2014-07-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":307337,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:19+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-30 and allocated (dated 2014-07-30) on 2014-07-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."}]},"arin_statistics_now":{"status":"not listed"}}