{"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":"221.121.128.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/221.121.128.0-221.121.159.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2009-10-05)"},"current_holder":{"rir":"APNIC","org":"Servers Australia Pty. Ltd","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":124034,"date":"2014-07-14T04:11:10Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Enterprise IT (AUST) Pty Limited","recipient_org":"Servers Australia Pty. Ltd","range":"221.121.128.0/19","log":"APNIC"},{"id":123710,"date":"2011-06-07T15:08:39Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Fortana Networks Australia Pty Ltd","recipient_org":"Enterprise IT (AUST) Pty Limited","range":"221.121.128.0/19","log":"APNIC"}],"events":[{"event_id":"38b48830ca01fd3a","registry":"APNIC","report_date":"2014-07-14","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"221.121.128.0/19","start":"221.121.128.0","end":"221.121.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Enterprise IT (AUST) Pty Limited","recipient_organization":"Servers Australia Pty. Ltd","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:30+00:00","page":"https://rirtracker.com/ip/221.121.128.0-221.121.159.255/#e-38b48830ca01fd3a","report_page":"https://rirtracker.com/apnic/reports/2014-07-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/221.121.128.0-221.121.159.255.json","observed":"Transfer: Enterprise IT (AUST) Pty Limited (APNIC) to Servers Australia Pty. Ltd (APNIC)","explanation":"APNIC's transfer log records a transfer from Enterprise IT (AUST) Pty Limited (APNIC) to Servers Australia Pty. Ltd (APNIC) on 2014-07-14 04:11 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 2014-07-14 04:11 UTC, Enterprise IT (AUST) Pty Limited (APNIC) to Servers Australia Pty. Ltd (APNIC); resources moved: 221.121.128.0/19"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140714.gz","retrieved_at":"2026-10-12T20:57:12+00:00","summary":"APNIC delegated statistics 2014-07-14, before the change: allocated (dated 2009-10-05)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140715.gz","retrieved_at":"2026-10-12T20:57:15+00:00","summary":"APNIC delegated statistics 2014-07-15, after the change: allocated (dated 2009-10-05)"}]},{"event_id":"d29121f1ce012714","registry":"APNIC","report_date":"2011-06-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"221.121.128.0/19","start":"221.121.128.0","end":"221.121.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Fortana Networks Australia Pty Ltd","recipient_organization":"Enterprise IT (AUST) Pty Limited","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:29+00:00","page":"https://rirtracker.com/ip/221.121.128.0-221.121.159.255/#e-d29121f1ce012714","report_page":"https://rirtracker.com/apnic/reports/2011-06-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/221.121.128.0-221.121.159.255.json","observed":"Transfer: Fortana Networks Australia Pty Ltd (APNIC) to Enterprise IT (AUST) Pty Limited (APNIC)","explanation":"APNIC's transfer log records a transfer from Fortana Networks Australia Pty Ltd (APNIC) to Enterprise IT (AUST) Pty Limited (APNIC) on 2011-06-07 15:08 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 2011-06-07 15:08 UTC, Fortana Networks Australia Pty Ltd (APNIC) to Enterprise IT (AUST) Pty Limited (APNIC); resources moved: 203.124.96.0/19, 221.121.128.0/19"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110608.gz","retrieved_at":"2026-10-12T19:40:55+00:00","summary":"APNIC delegated statistics 2011-06-08, before the change: allocated (dated 2009-10-05)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110609.gz","retrieved_at":"2026-10-12T19:40:58+00:00","summary":"APNIC delegated statistics 2011-06-09, after the change: allocated (dated 2009-10-05)"}]},{"event_id":"d82f025e06021f63","registry":"APNIC","report_date":"2009-10-05","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"221.121.128.0/19","start":"221.121.128.0","end":"221.121.159.255","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":"2026-10-13T23:55:51+00:00","page":"https://rirtracker.com/ip/221.121.128.0-221.121.159.255/#e-d82f025e06021f63","report_page":"https://rirtracker.com/apnic/reports/2009-10-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/221.121.128.0-221.121.159.255.json","observed":"221.121.128.0/19 not listed on 2009-10-05, allocated on 2009-10-06","explanation":"No transfer record matches. APNIC's statistics show it not listed on 2009-10-05 and allocated (dated 2009-10-05) on 2009-10-06. 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/2009/delegated-apnic-extended-20091006.gz","retrieved_at":"2026-10-12T19:07:14+00:00","summary":"Found by comparing APNIC's daily statistics: 221.121.128.0/19 not listed on 2009-10-05, allocated on 2009-10-06"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2009/delegated-apnic-extended-20091005.gz","retrieved_at":"2026-10-12T19:07:11+00:00","summary":"APNIC delegated statistics 2009-10-05, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2009/delegated-apnic-extended-20091006.gz","retrieved_at":"2026-10-12T19:07:14+00:00","summary":"APNIC delegated statistics 2009-10-06, after the change: allocated (dated 2009-10-05)"}]}],"classification_history":{"38b48830ca01fd3a":[{"raw_change_id":32534,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:35+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Enterprise IT (AUST) Pty Limited (APNIC) to Servers Australia Pty. Ltd (APNIC) on 2014-07-14 04:11 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32534,"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 Enterprise IT (AUST) Pty Limited (APNIC) to Servers Australia Pty. Ltd (APNIC) on 2014-07-14 04:11 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32534,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:56+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Enterprise IT (AUST) Pty Limited (APNIC) to Servers Australia Pty. Ltd (APNIC) on 2014-07-14 04:11 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32534,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:30+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Enterprise IT (AUST) Pty Limited (APNIC) to Servers Australia Pty. Ltd (APNIC) on 2014-07-14 04:11 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"d29121f1ce012714":[{"raw_change_id":31913,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:14+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Fortana Networks Australia Pty Ltd (APNIC) to Enterprise IT (AUST) Pty Limited (APNIC) on 2011-06-07 15:08 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":31913,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:45+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Fortana Networks Australia Pty Ltd (APNIC) to Enterprise IT (AUST) Pty Limited (APNIC) on 2011-06-07 15:08 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":31913,"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 Fortana Networks Australia Pty Ltd (APNIC) to Enterprise IT (AUST) Pty Limited (APNIC) on 2011-06-07 15:08 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":31913,"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 Fortana Networks Australia Pty Ltd (APNIC) to Enterprise IT (AUST) Pty Limited (APNIC) on 2011-06-07 15:08 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"d82f025e06021f63":[{"raw_change_id":218812,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:16:10+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2009-10-05 and allocated (dated 2009-10-05) on 2009-10-06. 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":218812,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:11+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2009-10-05 and allocated (dated 2009-10-05) on 2009-10-06. 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":218812,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:12+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2009-10-05 and allocated (dated 2009-10-05) on 2009-10-06. 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":218812,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:51+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2009-10-05 and allocated (dated 2009-10-05) on 2009-10-06. 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"}}