{"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":"163.53.212.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/163.53.212.0-163.53.215.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-05-09)"},"current_holder":{"rir":"ARIN","org":"Ooma, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":40377,"date":"2025-05-09T11:11:25Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Alpha InfoLab Inc","recipient_org":"Ooma, Inc.","range":"163.53.212.0/22","log":"ARIN"},{"id":127485,"date":"2021-09-07T23:43:59Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Nextra Televentures Private Limited","recipient_org":"AI-1720","range":"163.53.212.0/22","log":"APNIC"},{"id":25438,"date":"2021-09-07T20:03:25Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Nextra Televentures Private Limited","recipient_org":"Alpha InfoLab Inc","range":"163.53.212.0/22","log":"ARIN"}],"events":[{"event_id":"75bf3ef8240198ae","registry":"ARIN","report_date":"2025-05-09","source":"arin_issued","raw_action":"ADD","raw_line":"Add 163.53.212.0-163.53.215.255","resource_type":"ipv4","resource":"163.53.212.0/22","start":"163.53.212.0","end":"163.53.215.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Alpha InfoLab Inc","recipient_organization":"Ooma, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:28+00:00","page":"https://rirtracker.com/ip/163.53.212.0-163.53.215.255/#e-75bf3ef8240198ae","report_page":"https://rirtracker.com/arin/reports/2025-05-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.53.212.0-163.53.215.255.json","explanation":"ARIN's transfer log records a transfer from Alpha InfoLab Inc (ARIN) to Ooma, Inc. (ARIN) on 2025-05-09 11:11 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-May/005991.html","retrieved_at":"2026-10-12T18:43:01+00:00","summary":"ARIN-Issued report for 2025-05-09: \"Add 163.53.212.0-163.53.215.255\""},{"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 2025-05-09 11:11 UTC, Alpha InfoLab Inc (ARIN) to Ooma, Inc. (ARIN); resources moved: 163.53.212.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250508.gz","retrieved_at":"2026-10-12T23:59:28+00:00","summary":"ARIN delegated statistics 2025-05-08 (produced 2025-05-08T13:01:09+00:00), before the report: allocated (dated 2021-09-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250510.gz","retrieved_at":"2026-10-12T23:59:33+00:00","summary":"ARIN delegated statistics 2025-05-10 (produced 2025-05-10T13:01:10+00:00), after the report: allocated (dated 2025-05-09)"}]},{"event_id":"97dea295b299c189","registry":"APNIC","report_date":"2021-09-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"163.53.212.0/22","start":"163.53.212.0","end":"163.53.215.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of APNIC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"Nextra Televentures Private Limited","recipient_organization":"AI-1720","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":"2026-10-13T23:46:43+00:00","page":"https://rirtracker.com/ip/163.53.212.0-163.53.215.255/#e-97dea295b299c189","report_page":"https://rirtracker.com/apnic/reports/2021-09-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.53.212.0-163.53.215.255.json","observed":"Transfer: Nextra Televentures Private Limited (APNIC) to AI-1720 (ARIN)","same_transfer_as":"e794af807b0ec55f","explanation":"APNIC's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to AI-1720 (ARIN) on 2021-09-07 23:43 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 2021-09-07 23:43 UTC, Nextra Televentures Private Limited (APNIC) to AI-1720 (ARIN); resources moved: 163.53.212.0/22"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210908.gz","retrieved_at":"2026-10-12T23:53:01+00:00","summary":"APNIC delegated statistics 2021-09-08, before the change: allocated (dated 2016-02-03)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210909.gz","retrieved_at":"2026-10-12T23:53:05+00:00","summary":"APNIC delegated statistics 2021-09-09, after the change: not listed"}]},{"event_id":"e794af807b0ec55f","registry":"ARIN","report_date":"2021-09-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 163.53.212.0-163.53.215.255","resource_type":"ipv4","resource":"163.53.212.0/22","start":"163.53.212.0","end":"163.53.215.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"Nextra Televentures Private Limited","recipient_organization":"Alpha InfoLab 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":"2026-10-13T23:53:13+00:00","page":"https://rirtracker.com/ip/163.53.212.0-163.53.215.255/#e-e794af807b0ec55f","report_page":"https://rirtracker.com/arin/reports/2021-09-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.53.212.0-163.53.215.255.json","same_transfer_as":"97dea295b299c189","explanation":"ARIN's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to Alpha InfoLab Inc (ARIN) on 2021-09-07 20:03 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/2021-September/004652.html","retrieved_at":"2026-10-12T18:41:28+00:00","summary":"ARIN-Issued report for 2021-09-07: \"Add 163.53.212.0-163.53.215.255\""},{"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 2021-09-07 20:03 UTC, Nextra Televentures Private Limited (APNIC) to Alpha InfoLab Inc (ARIN); resources moved: 163.53.212.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210906.gz","retrieved_at":"2026-10-12T22:48:25+00:00","summary":"ARIN delegated statistics 2021-09-06 (produced 2021-09-06T14:00:14+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210908.gz","retrieved_at":"2026-10-12T22:48:30+00:00","summary":"ARIN delegated statistics 2021-09-08 (produced 2021-09-08T14:00:14+00:00), after the report: allocated (dated 2021-09-07)"}]},{"event_id":"25029b5ef30f15ce","registry":"APNIC","report_date":"2016-02-03","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"163.53.212.0/22","start":"163.53.212.0","end":"163.53.215.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","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":"2026-10-14T00:03:22+00:00","page":"https://rirtracker.com/ip/163.53.212.0-163.53.215.255/#e-25029b5ef30f15ce","report_page":"https://rirtracker.com/apnic/reports/2016-02-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.53.212.0-163.53.215.255.json","observed":"163.53.212.0/22 reserved on 2016-02-03, allocated on 2016-02-04","explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-02-03 and allocated (dated 2016-02-03) on 2016-02-04. The tracker saw this range removed from registration on 2015-01-29 (163.53.212.0/22), so it appears to have been issued again from APNIC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160204.gz","retrieved_at":"2026-10-12T21:32:55+00:00","summary":"Found by comparing APNIC's daily statistics: 163.53.212.0/22 reserved on 2016-02-03, allocated on 2016-02-04"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160203.gz","retrieved_at":"2026-10-12T21:32:51+00:00","summary":"APNIC delegated statistics 2016-02-03, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160204.gz","retrieved_at":"2026-10-12T21:32:55+00:00","summary":"APNIC delegated statistics 2016-02-04, after the change: allocated (dated 2016-02-03)"}]},{"event_id":"3711ecbea7fc99de","registry":"APNIC","report_date":"2015-01-29","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"163.53.212.0/22","start":"163.53.212.0","end":"163.53.215.255","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":"2026-10-14T00:01:57+00:00","page":"https://rirtracker.com/ip/163.53.212.0-163.53.215.255/#e-3711ecbea7fc99de","report_page":"https://rirtracker.com/apnic/reports/2015-01-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.53.212.0-163.53.215.255.json","observed":"163.53.212.0/22 allocated on 2015-01-29, reserved on 2015-01-30","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2016-01-29","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 2014-07-11) on 2015-01-29 and reserved on 2015-01-30. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2016-01-29. 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/2015/delegated-apnic-extended-20150130.gz","retrieved_at":"2026-10-12T21:09:44+00:00","summary":"Found by comparing APNIC's daily statistics: 163.53.212.0/22 allocated on 2015-01-29, reserved on 2015-01-30"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20150129.gz","retrieved_at":"2026-10-12T21:09:40+00:00","summary":"APNIC delegated statistics 2015-01-29, before the change: allocated (dated 2014-07-11)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20150130.gz","retrieved_at":"2026-10-12T21:09:44+00:00","summary":"APNIC delegated statistics 2015-01-30, after the change: reserved"}]},{"event_id":"df628f8f580bf02e","registry":"APNIC","report_date":"2014-07-11","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"163.53.212.0/22","start":"163.53.212.0","end":"163.53.215.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","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":"2026-10-14T00:01:13+00:00","page":"https://rirtracker.com/ip/163.53.212.0-163.53.215.255/#e-df628f8f580bf02e","report_page":"https://rirtracker.com/apnic/reports/2014-07-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.53.212.0-163.53.215.255.json","observed":"163.53.212.0/22 available on 2014-07-11, allocated on 2014-07-12","explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-11 and allocated (dated 2014-07-11) on 2014-07-12. The tracker saw this range removed from registration on 2011-11-14 (163.53.0.0/16), so it appears to have been issued again from APNIC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140712.gz","retrieved_at":"2026-10-12T20:57:06+00:00","summary":"Found by comparing APNIC's daily statistics: 163.53.212.0/22 available on 2014-07-11, allocated on 2014-07-12"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140711.gz","retrieved_at":"2026-10-12T20:57:03+00:00","summary":"APNIC delegated statistics 2014-07-11, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140712.gz","retrieved_at":"2026-10-12T20:57:06+00:00","summary":"APNIC delegated statistics 2014-07-12, after the change: allocated (dated 2014-07-11)"}]}],"classification_history":{"75bf3ef8240198ae":[{"raw_change_id":194066,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:06:40+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Alpha InfoLab Inc (ARIN) to Ooma, Inc. (ARIN) on 2025-05-09 11:11 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":194066,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:01+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Alpha InfoLab Inc (ARIN) to Ooma, Inc. (ARIN) on 2025-05-09 11:11 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":194066,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:55+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Alpha InfoLab Inc (ARIN) to Ooma, Inc. (ARIN) on 2025-05-09 11:11 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":194066,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:28+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Alpha InfoLab Inc (ARIN) to Ooma, Inc. (ARIN) on 2025-05-09 11:11 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"97dea295b299c189":[{"raw_change_id":38082,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:36:56+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to AI-1720 (ARIN) on 2021-09-07 23:43 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":38082,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:57+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to AI-1720 (ARIN) on 2021-09-07 23:43 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":38082,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:08+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to AI-1720 (ARIN) on 2021-09-07 23:43 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":38082,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:43+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to AI-1720 (ARIN) on 2021-09-07 23:43 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."}],"e794af807b0ec55f":[{"raw_change_id":172894,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:53:26+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to Alpha InfoLab Inc (ARIN) on 2021-09-07 20:03 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":172894,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:05+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to Alpha InfoLab Inc (ARIN) on 2021-09-07 20:03 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":172894,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to Alpha InfoLab Inc (ARIN) on 2021-09-07 20:03 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":172894,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:13+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Nextra Televentures Private Limited (APNIC) to Alpha InfoLab Inc (ARIN) on 2021-09-07 20:03 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."}],"25029b5ef30f15ce":[{"raw_change_id":339554,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:14:27+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-02-03 and allocated (dated 2016-02-03) on 2016-02-04. The tracker saw this range removed from registration on 2015-01-29 (163.53.212.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":339554,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:40+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-02-03 and allocated (dated 2016-02-03) on 2016-02-04. The tracker saw this range removed from registration on 2015-01-29 (163.53.212.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":339554,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:12+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-02-03 and allocated (dated 2016-02-03) on 2016-02-04. The tracker saw this range removed from registration on 2015-01-29 (163.53.212.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":339554,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:22+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-02-03 and allocated (dated 2016-02-03) on 2016-02-04. The tracker saw this range removed from registration on 2015-01-29 (163.53.212.0/22), so it appears to have been issued again from APNIC's pool."}],"3711ecbea7fc99de":[{"raw_change_id":317534,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:03:44+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 2014-07-11) on 2015-01-29 and reserved on 2015-01-30. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":317534,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:28+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 2014-07-11) on 2015-01-29 and reserved on 2015-01-30. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":317534,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:55+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 2014-07-11) on 2015-01-29 and reserved on 2015-01-30. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":317534,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:57+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 2014-07-11) on 2015-01-29 and reserved on 2015-01-30. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2016-01-29. That is what APNIC has done, not a rule it states. This does not confirm availability."}],"df628f8f580bf02e":[{"raw_change_id":305680,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:58:29+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-11 and allocated (dated 2014-07-11) on 2014-07-12. The tracker saw this range removed from registration on 2011-11-14 (163.53.0.0/16), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":305680,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:13:50+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-11 and allocated (dated 2014-07-11) on 2014-07-12. The tracker saw this range removed from registration on 2011-11-14 (163.53.0.0/16), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":305680,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:15+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-11 and allocated (dated 2014-07-11) on 2014-07-12. The tracker saw this range removed from registration on 2011-11-14 (163.53.0.0/16), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":305680,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:13+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-11 and allocated (dated 2014-07-11) on 2014-07-12. The tracker saw this range removed from registration on 2011-11-14 (163.53.0.0/16), so it appears to have been issued again from APNIC's pool."}]},"arin_statistics_now":{"status":"allocated (dated 2025-05-09)"}}