{"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":"1.44.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/1.44.0.0-1.44.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2010-05-24)"},"current_holder":{"rir":"APNIC","org":"SingTel Optus Pty Ltd","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":123789,"date":"2012-07-23T14:22:58Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Optus Internet Pty Ltd","recipient_org":"SingTel Optus Pty Ltd","range":"1.44.0.0/16","log":"APNIC"}],"events":[{"event_id":"3bd29808da1be099","registry":"APNIC","report_date":"2012-07-24","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"1.44.0.0/16","start":"1.44.0.0","end":"1.44.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Optus Internet Pty Ltd","recipient_organization":"SingTel Optus Pty Ltd","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:29+00:00","page":"https://rirtracker.com/ip/1.44.0.0-1.44.255.255/#e-3bd29808da1be099","report_page":"https://rirtracker.com/apnic/reports/2012-07-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/1.44.0.0-1.44.255.255.json","observed":"Transfer: Optus Internet Pty Ltd (APNIC) to SingTel Optus Pty Ltd (APNIC)","explanation":"APNIC's transfer log records a transfer from Optus Internet Pty Ltd (APNIC) to SingTel Optus Pty Ltd (APNIC) on 2012-07-23 14:22 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 2012-07-23 14:22 UTC, Optus Internet Pty Ltd (APNIC) to SingTel Optus Pty Ltd (APNIC); resources moved: 1.44.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2012/delegated-apnic-extended-20120724.gz","retrieved_at":"2026-10-12T20:04:46+00:00","summary":"APNIC delegated statistics 2012-07-24, before the change: allocated (dated 2012-07-23)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2012/delegated-apnic-extended-20120725.gz","retrieved_at":"2026-10-12T20:04:49+00:00","summary":"APNIC delegated statistics 2012-07-25, after the change: allocated (dated 2012-07-23)"}]},{"event_id":"13bbb17ec15e17e0","registry":"APNIC","report_date":"2010-05-24","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"1.44.0.0/16","start":"1.44.0.0","end":"1.44.255.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:27+00:00","page":"https://rirtracker.com/ip/1.44.0.0-1.44.255.255/#e-13bbb17ec15e17e0","report_page":"https://rirtracker.com/apnic/reports/2010-05-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/1.44.0.0-1.44.255.255.json","observed":"1.44.0.0/16 not listed on 2010-05-24, allocated on 2010-05-25","explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-05-24 and allocated (dated 2010-05-24) on 2010-05-25. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2010/delegated-apnic-extended-20100525.gz","retrieved_at":"2026-10-12T19:19:01+00:00","summary":"Found by comparing APNIC's daily statistics: 1.44.0.0/16 not listed on 2010-05-24, allocated on 2010-05-25"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2010/delegated-apnic-extended-20100524.gz","retrieved_at":"2026-10-12T19:18:58+00:00","summary":"APNIC delegated statistics 2010-05-24, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2010/delegated-apnic-extended-20100525.gz","retrieved_at":"2026-10-12T19:19:01+00:00","summary":"APNIC delegated statistics 2010-05-25, after the change: allocated (dated 2010-05-24)"}]}],"classification_history":{"3bd29808da1be099":[{"raw_change_id":32051,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:18+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Optus Internet Pty Ltd (APNIC) to SingTel Optus Pty Ltd (APNIC) on 2012-07-23 14:22 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32051,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:46+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Optus Internet Pty Ltd (APNIC) to SingTel Optus Pty Ltd (APNIC) on 2012-07-23 14:22 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32051,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:55+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Optus Internet Pty Ltd (APNIC) to SingTel Optus Pty Ltd (APNIC) on 2012-07-23 14:22 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32051,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:29+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Optus Internet Pty Ltd (APNIC) to SingTel Optus Pty Ltd (APNIC) on 2012-07-23 14:22 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"13bbb17ec15e17e0":[{"raw_change_id":228704,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:19:51+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-05-24 and allocated (dated 2010-05-24) on 2010-05-25. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":228704,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:42+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-05-24 and allocated (dated 2010-05-24) on 2010-05-25. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":228704,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:46+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-05-24 and allocated (dated 2010-05-24) on 2010-05-25. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":228704,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:27+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-05-24 and allocated (dated 2010-05-24) on 2010-05-25. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log."}]},"arin_statistics_now":{"status":"not listed"}}