{"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":"163.179.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/163.179.0.0-163.179.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2011-03-30)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"1163089ef5d1715e","registry":"APNIC","report_date":"2011-03-30","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"163.179.0.0/16","start":"163.179.0.0","end":"163.179.255.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","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":"2026-10-13T23:57:09+00:00","page":"https://rirtracker.com/ip/163.179.0.0-163.179.255.255/#e-1163089ef5d1715e","report_page":"https://rirtracker.com/apnic/reports/2011-03-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.179.0.0-163.179.255.255.json","observed":"163.179.0.0/16 available on 2011-03-30, allocated on 2011-03-31","explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-30 and allocated (dated 2011-03-30) on 2011-03-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110331.gz","retrieved_at":"2026-10-12T19:36:11+00:00","summary":"Found by comparing APNIC's daily statistics: 163.179.0.0/16 available on 2011-03-30, allocated on 2011-03-31"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110330.gz","retrieved_at":"2026-10-12T19:36:08+00:00","summary":"APNIC delegated statistics 2011-03-30, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110331.gz","retrieved_at":"2026-10-12T19:36:11+00:00","summary":"APNIC delegated statistics 2011-03-31, after the change: allocated (dated 2011-03-30)"}]},{"event_id":"478af747992bbd41","registry":"ARIN","report_date":"2009-07-13","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 163.179.0.0-163.179.255.255","resource_type":"ipv4","resource":"163.179.0.0/16","start":"163.179.0.0","end":"163.179.255.255","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":"2026-10-13T23:50:46+00:00","page":"https://rirtracker.com/ip/163.179.0.0-163.179.255.255/#e-478af747992bbd41","report_page":"https://rirtracker.com/arin/reports/2009-07-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.179.0.0-163.179.255.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-07-12 and not issued on 2009-07-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2009-July/000206.html","retrieved_at":"2026-10-12T18:36:19+00:00","summary":"ARIN-Issued report for 2009-07-13: \"Remove 163.179.0.0-163.179.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090712.gz","retrieved_at":"2026-10-12T18:52:36+00:00","summary":"ARIN delegated statistics 2009-07-12, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090714.gz","retrieved_at":"2026-10-12T18:52:40+00:00","summary":"ARIN delegated statistics 2009-07-14, after the report: not issued"}]}],"classification_history":{"1163089ef5d1715e":[{"raw_change_id":241371,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:26:10+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-30 and allocated (dated 2011-03-30) on 2011-03-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":241371,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:10:19+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-30 and allocated (dated 2011-03-30) on 2011-03-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":241371,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:26+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-30 and allocated (dated 2011-03-30) on 2011-03-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":241371,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:09+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-30 and allocated (dated 2011-03-30) on 2011-03-31. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."}],"478af747992bbd41":[{"raw_change_id":119916,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:11:27+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-07-12 and not issued on 2009-07-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":119916,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:14+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-07-12 and not issued on 2009-07-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":119916,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:47+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-07-12 and not issued on 2009-07-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":119916,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:46+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-07-12 and not issued on 2009-07-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."}]},"arin_statistics_now":{"status":"not listed"}}