{"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":"134.17.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/134.17.0.0-134.17.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2011-11-03)"},"current_holder":{"rir":"RIPE NCC","org":null,"how":"The RIPE NCC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"b15f7fecd3e9019a","registry":"RIPE NCC","report_date":"2011-11-03","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"134.17.0.0/16","start":"134.17.0.0","end":"134.17.255.255","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 RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:49+00:00","page":"https://rirtracker.com/ip/134.17.0.0-134.17.255.255/#e-b15f7fecd3e9019a","report_page":"https://rirtracker.com/ripe/reports/2011-11-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/134.17.0.0-134.17.255.255.json","observed":"134.17.0.0/16 available on 2011-11-02, allocated on 2011-11-03","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-11-02 and allocated (dated 2011-11-03) on 2011-11-03. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20111103.bz2","retrieved_at":"2026-10-12T19:05:57+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 134.17.0.0/16 available on 2011-11-02, allocated on 2011-11-03"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20111102.bz2","retrieved_at":"2026-10-12T19:05:55+00:00","summary":"RIPE NCC delegated statistics 2011-11-02 (produced 2011-11-02T22:59:59+00:00), before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20111103.bz2","retrieved_at":"2026-10-12T19:05:57+00:00","summary":"RIPE NCC delegated statistics 2011-11-03 (produced 2011-11-03T22:59:59+00:00), after the change: allocated (dated 2011-11-03)"}]},{"event_id":"948e9d55b54de5b5","registry":"ARIN","report_date":"2010-12-02","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 134.17.0.0-134.17.255.255","resource_type":"ipv4","resource":"134.17.0.0/16","start":"134.17.0.0","end":"134.17.255.255","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":"2026-10-13T23:50:50+00:00","page":"https://rirtracker.com/ip/134.17.0.0-134.17.255.255/#e-948e9d55b54de5b5","report_page":"https://rirtracker.com/arin/reports/2010-12-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/134.17.0.0-134.17.255.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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/2010-December/000717.html","retrieved_at":"2026-10-12T18:36:55+00:00","summary":"ARIN-Issued report for 2010-12-02: \"Remove 134.17.0.0-134.17.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20101201.gz","retrieved_at":"2026-10-12T19:13:27+00:00","summary":"ARIN delegated statistics 2010-12-01, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20101203.gz","retrieved_at":"2026-10-12T19:13:34+00:00","summary":"ARIN delegated statistics 2010-12-03, after the report: not issued"}]},{"event_id":"6d94193cf8e805b7","registry":"ARIN","report_date":"2009-03-16","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"134.17.0.0/16","start":"134.17.0.0","end":"134.17.255.255","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":"2026-10-13T23:54:57+00:00","page":"https://rirtracker.com/ip/134.17.0.0-134.17.255.255/#e-6d94193cf8e805b7","report_page":"https://rirtracker.com/arin/reports/2009-03-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/134.17.0.0-134.17.255.255.json","observed":"134.17.0.0/16 assigned on 2009-03-16, not listed on 2009-03-17","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2009-05-15","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1989-04-12) on 2009-03-15 and not issued on 2009-03-17. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2009-05-15. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090317.gz","retrieved_at":"2026-10-12T18:47:47+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 134.17.0.0/16 assigned on 2009-03-16, not listed on 2009-03-17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090315.gz","retrieved_at":"2026-10-12T18:47:42+00:00","summary":"ARIN delegated statistics 2009-03-15, before the report: assigned (dated 1989-04-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090317.gz","retrieved_at":"2026-10-12T18:47:47+00:00","summary":"ARIN delegated statistics 2009-03-17, after the report: not issued"}]}],"classification_history":{"b15f7fecd3e9019a":[{"raw_change_id":218009,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:15:48+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-11-02 and allocated (dated 2011-11-03) on 2011-11-03. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":218009,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:09+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-11-02 and allocated (dated 2011-11-03) on 2011-11-03. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":218009,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:10+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-11-02 and allocated (dated 2011-11-03) on 2011-11-03. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":218009,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:49+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-11-02 and allocated (dated 2011-11-03) on 2011-11-03. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."}],"948e9d55b54de5b5":[{"raw_change_id":122188,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:56+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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":122188,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:17+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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":122188,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:51+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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":122188,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:50+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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."}],"6d94193cf8e805b7":[{"raw_change_id":202929,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:10:17+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1989-04-12) on 2009-03-15 and not issued on 2009-03-17. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2009-05-15. This does not confirm availability."},{"raw_change_id":202929,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:24+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1989-04-12) on 2009-03-15 and not issued on 2009-03-17. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2009-05-15. This does not confirm availability."},{"raw_change_id":202929,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:21+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1989-04-12) on 2009-03-15 and not issued on 2009-03-17. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2009-05-15. This does not confirm availability."},{"raw_change_id":202929,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:57+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1989-04-12) on 2009-03-15 and not issued on 2009-03-17. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2009-05-15. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}