{"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":"149.144.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/149.144.0.0-149.144.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-01-08)"},"current_holder":{"rir":"ARIN","org":"AMAZO-4","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":129913,"date":"2025-01-08T23:21:16Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"La Trobe University","recipient_org":"AMAZO-4","range":"149.144.0.0/16","log":"APNIC"},{"id":38316,"date":"2025-01-08T19:10:10Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"La Trobe University","recipient_org":"Amazon.com, Inc.","range":"149.144.0.0/16","log":"ARIN"}],"events":[{"event_id":"c81d1bba49372fed","registry":"APNIC","report_date":"2025-01-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"149.144.0.0/16","start":"149.144.0.0","end":"149.144.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of APNIC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"La Trobe University","recipient_organization":"AMAZO-4","inventory_effect":"Transferred out of APNIC administration; not offered to APNIC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:53+00:00","page":"https://rirtracker.com/ip/149.144.0.0-149.144.255.255/#e-c81d1bba49372fed","report_page":"https://rirtracker.com/apnic/reports/2025-01-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/149.144.0.0-149.144.255.255.json","observed":"Transfer: La Trobe University (APNIC) to AMAZO-4 (ARIN)","same_transfer_as":"d1d6a7faf0dbe704","explanation":"APNIC's transfer log records a transfer from La Trobe University (APNIC) to AMAZO-4 (ARIN) on 2025-01-08 23:21 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants.","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 2025-01-08 23:21 UTC, La Trobe University (APNIC) to AMAZO-4 (ARIN); resources moved: 149.144.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250109.gz","retrieved_at":"2026-10-13T01:27:07+00:00","summary":"APNIC delegated statistics 2025-01-09, before the change: allocated (dated 1991-04-24)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250110.gz","retrieved_at":"2026-10-13T01:27:10+00:00","summary":"APNIC delegated statistics 2025-01-10, after the change: not listed"}]},{"event_id":"d1d6a7faf0dbe704","registry":"ARIN","report_date":"2025-01-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 149.144.0.0-149.144.255.255","resource_type":"ipv4","resource":"149.144.0.0/16","start":"149.144.0.0","end":"149.144.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"La Trobe University","recipient_organization":"Amazon.com, Inc.","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:19+00:00","page":"https://rirtracker.com/ip/149.144.0.0-149.144.255.255/#e-d1d6a7faf0dbe704","report_page":"https://rirtracker.com/arin/reports/2025-01-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/149.144.0.0-149.144.255.255.json","same_transfer_as":"c81d1bba49372fed","explanation":"ARIN's transfer log records a transfer from La Trobe University (APNIC) to Amazon.com, Inc. (ARIN) on 2025-01-08 19:10 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-January/005870.html","retrieved_at":"2026-10-12T18:42:52+00:00","summary":"ARIN-Issued report for 2025-01-08: \"Add 149.144.0.0-149.144.255.255\""},{"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 2025-01-08 19:10 UTC, La Trobe University (APNIC) to Amazon.com, Inc. (ARIN); resources moved: 149.144.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250107.gz","retrieved_at":"2026-10-12T23:52:40+00:00","summary":"ARIN delegated statistics 2025-01-07 (produced 2025-01-07T14:01:08+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250109.gz","retrieved_at":"2026-10-12T23:52:45+00:00","summary":"ARIN delegated statistics 2025-01-09 (produced 2025-01-09T14:01:06+00:00), after the report: allocated (dated 2025-01-08)"}]}],"classification_history":{"c81d1bba49372fed":[{"raw_change_id":41810,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:38:36+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from La Trobe University (APNIC) to AMAZO-4 (ARIN) on 2025-01-08 23:21 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41810,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:05+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from La Trobe University (APNIC) to AMAZO-4 (ARIN) on 2025-01-08 23:21 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41810,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:17+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from La Trobe University (APNIC) to AMAZO-4 (ARIN) on 2025-01-08 23:21 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41810,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:53+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from La Trobe University (APNIC) to AMAZO-4 (ARIN) on 2025-01-08 23:21 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."}],"d1d6a7faf0dbe704":[{"raw_change_id":191473,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:04:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from La Trobe University (APNIC) to Amazon.com, Inc. (ARIN) on 2025-01-08 19:10 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":191473,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:54+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from La Trobe University (APNIC) to Amazon.com, Inc. (ARIN) on 2025-01-08 19:10 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":191473,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from La Trobe University (APNIC) to Amazon.com, Inc. (ARIN) on 2025-01-08 19:10 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":191473,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:19+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from La Trobe University (APNIC) to Amazon.com, Inc. (ARIN) on 2025-01-08 19:10 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"allocated (dated 2025-01-08)"}}