{"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":"AS135510","resource_type":"asn","page":"https://rirtracker.com/asn/135510/","statistics_now":{"registry":"APNIC","status":"reserved"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[{"id":131334,"date":"2025-10-29T04:20:23Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Aula Online Solution Limited","recipient_org":"CN Care Cyber Cloud Limited","range":"AS135510","log":"APNIC"}],"events":[{"event_id":"981b2396435f5914","registry":"APNIC","report_date":"2025-12-16","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"asn","resource":"AS135510","start":135510,"end":135510,"classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:12+00:00","page":"https://rirtracker.com/asn/135510/#e-981b2396435f5914","report_page":"https://rirtracker.com/apnic/reports/2025-12-16/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/135510.json","observed":"AS135510 allocated on 2025-12-16, reserved on 2025-12-17","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2026-12-16","availability_statement":"Possible reissue candidate after this date; not confirmed available","hold_rule_observed":true},"explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2016-05-25) on 2025-12-16 and reserved on 2025-12-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned ASNs a year after the removal or later since 2014, so the tracker estimates the hold ends on 2026-12-16. That is what APNIC has done, not a rule it states. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20251217.gz","retrieved_at":"2026-10-13T01:53:33+00:00","summary":"Found by comparing APNIC's daily statistics: AS135510 allocated on 2025-12-16, reserved on 2025-12-17"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20251216.gz","retrieved_at":"2026-10-13T01:53:16+00:00","summary":"APNIC delegated statistics 2025-12-16, before the change: allocated (dated 2016-05-25)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20251217.gz","retrieved_at":"2026-10-13T01:53:33+00:00","summary":"APNIC delegated statistics 2025-12-17, after the change: reserved"}]},{"event_id":"74f8e0e4790fbec5","registry":"APNIC","report_date":"2025-10-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS135510","start":135510,"end":135510,"classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Aula Online Solution Limited","recipient_organization":"CN Care Cyber Cloud Limited","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:58+00:00","page":"https://rirtracker.com/asn/135510/#e-74f8e0e4790fbec5","report_page":"https://rirtracker.com/apnic/reports/2025-10-29/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/135510.json","observed":"Transfer: Aula Online Solution Limited (APNIC) to CN Care Cyber Cloud Limited (APNIC)","explanation":"APNIC's transfer log records a transfer from Aula Online Solution Limited (APNIC) to CN Care Cyber Cloud Limited (APNIC) on 2025-10-29 04:20 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 2025-10-29 04:20 UTC, Aula Online Solution Limited (APNIC) to CN Care Cyber Cloud Limited (APNIC); resources moved: AS135510, 45.251.108.0/22, 103.220.76.0/22"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20251029.gz","retrieved_at":"2026-10-13T01:49:43+00:00","summary":"APNIC delegated statistics 2025-10-29, before the change: allocated (dated 2016-05-25)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20251030.gz","retrieved_at":"2026-10-13T01:49:47+00:00","summary":"APNIC delegated statistics 2025-10-30, after the change: allocated (dated 2016-05-25)"}]},{"event_id":"1b8746e0ad6da8f1","registry":"APNIC","report_date":"2016-05-25","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS135510","start":135510,"end":135510,"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":"2026-10-14T00:03:52+00:00","page":"https://rirtracker.com/asn/135510/#e-1b8746e0ad6da8f1","report_page":"https://rirtracker.com/apnic/reports/2016-05-25/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/135510.json","observed":"AS135510 available on 2016-05-25, allocated on 2016-05-26","explanation":"No transfer record matches. APNIC's statistics show it available on 2016-05-25 and allocated (dated 2016-05-25) on 2016-05-26. 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/2016/delegated-apnic-extended-20160526.gz","retrieved_at":"2026-10-12T21:40:09+00:00","summary":"Found by comparing APNIC's daily statistics: AS135510 available on 2016-05-25, allocated on 2016-05-26"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160525.gz","retrieved_at":"2026-10-12T21:40:05+00:00","summary":"APNIC delegated statistics 2016-05-25, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160526.gz","retrieved_at":"2026-10-12T21:40:09+00:00","summary":"APNIC delegated statistics 2016-05-26, after the change: allocated (dated 2016-05-25)"}]}],"classification_history":{"981b2396435f5914":[{"raw_change_id":545600,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:46:25+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2016-05-25) on 2025-12-16 and reserved on 2025-12-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":545600,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:27:44+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2016-05-25) on 2025-12-16 and reserved on 2025-12-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":545600,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:12:11+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2016-05-25) on 2025-12-16 and reserved on 2025-12-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":545600,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:12+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2016-05-25) on 2025-12-16 and reserved on 2025-12-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned ASNs a year after the removal or later since 2014, so the tracker estimates the hold ends on 2026-12-16. That is what APNIC has done, not a rule it states. This does not confirm availability."}],"74f8e0e4790fbec5":[{"raw_change_id":44436,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:39:35+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Aula Online Solution Limited (APNIC) to CN Care Cyber Cloud Limited (APNIC) on 2025-10-29 04:20 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":44436,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:10+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Aula Online Solution Limited (APNIC) to CN Care Cyber Cloud Limited (APNIC) on 2025-10-29 04:20 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":44436,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:22+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Aula Online Solution Limited (APNIC) to CN Care Cyber Cloud Limited (APNIC) on 2025-10-29 04:20 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":44436,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:58+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Aula Online Solution Limited (APNIC) to CN Care Cyber Cloud Limited (APNIC) on 2025-10-29 04:20 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"1b8746e0ad6da8f1":[{"raw_change_id":347379,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:18:20+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2016-05-25 and allocated (dated 2016-05-25) on 2016-05-26. 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":347379,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:06+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2016-05-25 and allocated (dated 2016-05-25) on 2016-05-26. 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":347379,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:40+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2016-05-25 and allocated (dated 2016-05-25) on 2016-05-26. 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":347379,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:52+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2016-05-25 and allocated (dated 2016-05-25) on 2016-05-26. 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"}}