{"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":"167.220.224.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/167.220.224.0-167.220.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2014-01-09)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":124200,"date":"2015-07-07T02:40:34Z","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":"167.220.244.0/22","log":"APNIC"},{"id":5462,"date":"2014-04-08T13:44:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Microsoft Operations Pte. Ltd.","recipient_org":null,"range":"167.220.224.0/19","log":"ARIN"},{"id":123984,"date":"2014-04-08T01:09:45Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"MOPL","recipient_org":"Microsoft Singapore Pte. Ltd.","range":"167.220.224.0/19","log":"APNIC"}],"events":[{"event_id":"46d41be9d44f0c8f","registry":"ARIN","report_date":"2014-04-08","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"167.220.224.0/19","start":"167.220.224.0","end":"167.220.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Microsoft Operations Pte. Ltd.","recipient_organization":null,"inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:59:08+00:00","page":"https://rirtracker.com/ip/167.220.224.0-167.220.255.255/#e-46d41be9d44f0c8f","report_page":"https://rirtracker.com/arin/reports/2014-04-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/167.220.224.0-167.220.255.255.json","observed":"167.220.224.0/19 assigned on 2014-04-08, not listed on 2014-04-09","same_transfer_as":"acbb86ce1e449740","explanation":"ARIN's transfer log records a transfer from Microsoft Operations Pte. Ltd. (ARIN) to an unnamed organization (APNIC) on 2014-04-08 13:44 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140409.gz","retrieved_at":"2026-10-12T20:14:30+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 167.220.224.0/19 assigned on 2014-04-08, not listed on 2014-04-09"},{"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 2014-04-08 13:44 UTC, Microsoft Operations Pte. Ltd. (ARIN) to (no name) (APNIC); resources moved: 167.220.224.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140407.gz","retrieved_at":"2026-10-12T20:14:25+00:00","summary":"ARIN delegated statistics 2014-04-07 (produced 2014-04-07T05:04:32+00:00), before the report: assigned (dated 2014-01-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140409.gz","retrieved_at":"2026-10-12T20:14:30+00:00","summary":"ARIN delegated statistics 2014-04-09 (produced 2014-04-09T05:04:54+00:00), after the report: not listed"}]},{"event_id":"acbb86ce1e449740","registry":"APNIC","report_date":"2014-04-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"167.220.224.0/19","start":"167.220.224.0","end":"167.220.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"MOPL","recipient_organization":"Microsoft Singapore Pte. Ltd.","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:30+00:00","page":"https://rirtracker.com/ip/167.220.224.0-167.220.255.255/#e-acbb86ce1e449740","report_page":"https://rirtracker.com/apnic/reports/2014-04-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/167.220.224.0-167.220.255.255.json","observed":"Transfer: MOPL (ARIN) to Microsoft Singapore Pte. Ltd. (APNIC)","same_transfer_as":"46d41be9d44f0c8f","explanation":"APNIC's transfer log records a transfer from MOPL (ARIN) to Microsoft Singapore Pte. Ltd. (APNIC) on 2014-04-08 01:09 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","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 2014-04-08 01:09 UTC, MOPL (ARIN) to Microsoft Singapore Pte. Ltd. (APNIC); resources moved: 167.220.224.0/19"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140408.gz","retrieved_at":"2026-10-12T20:51:35+00:00","summary":"APNIC delegated statistics 2014-04-08, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140409.gz","retrieved_at":"2026-10-12T20:51:41+00:00","summary":"APNIC delegated statistics 2014-04-09, after the change: allocated (dated 2014-01-09)"}]},{"event_id":"0da7aa3044d754f7","registry":"ARIN","report_date":"2014-01-09","source":"arin_issued","raw_action":"ADD","raw_line":"Add 167.220.224.0-167.220.255.255","resource_type":"ipv4","resource":"167.220.224.0/19","start":"167.220.224.0","end":"167.220.255.255","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":"2026-10-13T23:51:10+00:00","page":"https://rirtracker.com/ip/167.220.224.0-167.220.255.255/#e-0da7aa3044d754f7","report_page":"https://rirtracker.com/arin/reports/2014-01-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/167.220.224.0-167.220.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 1993-10-19) on 2014-01-08 and assigned (dated 2014-01-09) on 2014-01-10. The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-January/001857.html","retrieved_at":"2026-10-12T18:38:13+00:00","summary":"ARIN-Issued report for 2014-01-09: \"Add 167.220.224.0-167.220.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140108.gz","retrieved_at":"2026-10-12T20:10:09+00:00","summary":"ARIN delegated statistics 2014-01-08 (produced 2014-01-08T06:03:58+00:00), before the report: allocated (dated 1993-10-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140110.gz","retrieved_at":"2026-10-12T20:10:20+00:00","summary":"ARIN delegated statistics 2014-01-10 (produced 2014-01-10T06:04:02+00:00), after the report: assigned (dated 2014-01-09)"}]}],"classification_history":{"46d41be9d44f0c8f":[{"raw_change_id":274707,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:43:38+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Microsoft Operations Pte. Ltd. (ARIN) to an unnamed organization (APNIC) on 2014-04-08 13:44 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":274707,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:12:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Microsoft Operations Pte. Ltd. (ARIN) to an unnamed organization (APNIC) on 2014-04-08 13:44 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":274707,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:55:19+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Microsoft Operations Pte. Ltd. (ARIN) to an unnamed organization (APNIC) on 2014-04-08 13:44 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":274707,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:59:08+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Microsoft Operations Pte. Ltd. (ARIN) to an unnamed organization (APNIC) on 2014-04-08 13:44 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"acbb86ce1e449740":[{"raw_change_id":32436,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:32+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MOPL (ARIN) to Microsoft Singapore Pte. Ltd. (APNIC) on 2014-04-08 01:09 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32436,"classification_code":"INTER_RIR_TRANSFER_IN","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 MOPL (ARIN) to Microsoft Singapore Pte. Ltd. (APNIC) on 2014-04-08 01:09 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32436,"classification_code":"INTER_RIR_TRANSFER_IN","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 MOPL (ARIN) to Microsoft Singapore Pte. Ltd. (APNIC) on 2014-04-08 01:09 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32436,"classification_code":"INTER_RIR_TRANSFER_IN","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 MOPL (ARIN) to Microsoft Singapore Pte. Ltd. (APNIC) on 2014-04-08 01:09 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"0da7aa3044d754f7":[{"raw_change_id":131174,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:23:16+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 1993-10-19) on 2014-01-08 and assigned (dated 2014-01-09) on 2014-01-10. The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":131174,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:32+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 1993-10-19) on 2014-01-08 and assigned (dated 2014-01-09) on 2014-01-10. The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":131174,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:08+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 1993-10-19) on 2014-01-08 and assigned (dated 2014-01-09) on 2014-01-10. The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":131174,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:10+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 1993-10-19) on 2014-01-08 and assigned (dated 2014-01-09) on 2014-01-10. The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."}]},"arin_statistics_now":{"status":"not listed"}}