{"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":"AS58593","resource_type":"asn","page":"https://rirtracker.com/asn/58593/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2012-05-04)"},"current_holder":{"rir":"APNIC","org":"China Internet Network Information Center/MCCL-CHN","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":124355,"date":"2016-02-01T05:26:41Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Microsoft Singapore Pte. Ltd.","recipient_org":"China Internet Network Information Center/MCCL-CHN","range":"AS58593","log":"APNIC"}],"events":[{"event_id":"39d8a418270fe344","registry":"APNIC","report_date":"2016-02-01","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS58593","start":58593,"end":58593,"classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Microsoft Singapore Pte. Ltd.","recipient_organization":"China Internet Network Information Center/MCCL-CHN","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:31+00:00","page":"https://rirtracker.com/asn/58593/#e-39d8a418270fe344","report_page":"https://rirtracker.com/apnic/reports/2016-02-01/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/58593.json","observed":"Transfer: Microsoft Singapore Pte. Ltd. (APNIC) to China Internet Network Information Center/MCCL-CHN (APNIC)","explanation":"APNIC's transfer log records a transfer from Microsoft Singapore Pte. Ltd. (APNIC) to China Internet Network Information Center/MCCL-CHN (APNIC) on 2016-02-01 05:26 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 2016-02-01 05:26 UTC, Microsoft Singapore Pte. Ltd. (APNIC) to China Internet Network Information Center/MCCL-CHN (APNIC); resources moved: AS58593"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160201.gz","retrieved_at":"2026-10-12T21:32:45+00:00","summary":"APNIC delegated statistics 2016-02-01, before the change: allocated (dated 2012-05-04)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160202.gz","retrieved_at":"2026-10-12T21:32:48+00:00","summary":"APNIC delegated statistics 2016-02-02, after the change: allocated (dated 2012-05-04)"}]},{"event_id":"aa7fda3547fd15d3","registry":"APNIC","report_date":"2012-05-04","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS58593","start":58593,"end":58593,"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":"2026-10-13T23:58:10+00:00","page":"https://rirtracker.com/asn/58593/#e-aa7fda3547fd15d3","report_page":"https://rirtracker.com/apnic/reports/2012-05-04/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/58593.json","observed":"AS58593 available on 2012-05-04, allocated on 2012-05-05","explanation":"No transfer record matches. APNIC's statistics show it available on 2012-05-04 and allocated (dated 2012-05-04) on 2012-05-05. 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/2012/delegated-apnic-extended-20120505.gz","retrieved_at":"2026-10-12T19:59:31+00:00","summary":"Found by comparing APNIC's daily statistics: AS58593 available on 2012-05-04, allocated on 2012-05-05"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2012/delegated-apnic-extended-20120504.gz","retrieved_at":"2026-10-12T19:59:27+00:00","summary":"APNIC delegated statistics 2012-05-04, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2012/delegated-apnic-extended-20120505.gz","retrieved_at":"2026-10-12T19:59:31+00:00","summary":"APNIC delegated statistics 2012-05-05, after the change: allocated (dated 2012-05-04)"}]}],"classification_history":{"39d8a418270fe344":[{"raw_change_id":33246,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:55+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Microsoft Singapore Pte. Ltd. (APNIC) to China Internet Network Information Center/MCCL-CHN (APNIC) on 2016-02-01 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33246,"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 Microsoft Singapore Pte. Ltd. (APNIC) to China Internet Network Information Center/MCCL-CHN (APNIC) on 2016-02-01 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33246,"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 Microsoft Singapore Pte. Ltd. (APNIC) to China Internet Network Information Center/MCCL-CHN (APNIC) on 2016-02-01 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33246,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:31+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Microsoft Singapore Pte. Ltd. (APNIC) to China Internet Network Information Center/MCCL-CHN (APNIC) on 2016-02-01 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"aa7fda3547fd15d3":[{"raw_change_id":258790,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:35:13+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2012-05-04 and allocated (dated 2012-05-04) on 2012-05-05. 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":258790,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:13+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2012-05-04 and allocated (dated 2012-05-04) on 2012-05-05. 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":258790,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:24+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2012-05-04 and allocated (dated 2012-05-04) on 2012-05-05. 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":258790,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:10+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2012-05-04 and allocated (dated 2012-05-04) on 2012-05-05. 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"}}