{"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":"185.1.58.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/185.1.58.0-185.1.58.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 2021-02-02)"},"current_holder":{"rir":"RIPE NCC","org":null,"how":"The RIPE NCC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"37292f435b40ff6d","registry":"RIPE NCC","report_date":"2021-02-02","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"185.1.58.0/24","start":"185.1.58.0","end":"185.1.58.255","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 RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:09:14+00:00","page":"https://rirtracker.com/ip/185.1.58.0-185.1.58.255/#e-37292f435b40ff6d","report_page":"https://rirtracker.com/ripe/reports/2021-02-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/185.1.58.0-185.1.58.255.json","observed":"185.1.58.0/24 reserved on 2021-02-01, assigned on 2021-02-02","explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2021-02-01 and assigned (dated 2021-02-02) on 2021-02-02. The tracker saw this range removed from registration on 2020-08-04 (185.1.58.0/24), so it appears to have been issued again from the RIPE NCC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210202.bz2","retrieved_at":"2026-10-12T23:00:28+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 185.1.58.0/24 reserved on 2021-02-01, assigned on 2021-02-02"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210201.bz2","retrieved_at":"2026-10-12T23:00:06+00:00","summary":"RIPE NCC delegated statistics 2021-02-01 (produced 2021-02-01T22:59:00+00:00), before the change: reserved"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210202.bz2","retrieved_at":"2026-10-12T23:00:28+00:00","summary":"RIPE NCC delegated statistics 2021-02-02 (produced 2021-02-02T22:59:00+00:00), after the change: assigned (dated 2021-02-02)"}]},{"event_id":"87d0817aea7d5586","registry":"RIPE NCC","report_date":"2020-08-04","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"185.1.58.0/24","start":"185.1.58.0","end":"185.1.58.255","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":"2026-10-14T00:08:17+00:00","page":"https://rirtracker.com/ip/185.1.58.0-185.1.58.255/#e-87d0817aea7d5586","report_page":"https://rirtracker.com/ripe/reports/2020-08-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/185.1.58.0-185.1.58.255.json","observed":"185.1.58.0/24 assigned on 2020-08-03, reserved on 2020-08-04","hold":{"hold_rule_source_url":"https://www.ripe.net/manage-ips-and-asns/resource-management/quarantine-for-returned-internet-number-resources","hold_rule_days":180,"estimated_hold_end":"2021-01-31","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2015-12-09) on 2020-08-03 and reserved on 2020-08-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2021-01-31. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20200804.bz2","retrieved_at":"2026-10-12T22:44:59+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 185.1.58.0/24 assigned on 2020-08-03, reserved on 2020-08-04"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20200803.bz2","retrieved_at":"2026-10-12T22:44:38+00:00","summary":"RIPE NCC delegated statistics 2020-08-03 (produced 2020-08-03T21:59:59+00:00), before the change: assigned (dated 2015-12-09)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20200804.bz2","retrieved_at":"2026-10-12T22:44:59+00:00","summary":"RIPE NCC delegated statistics 2020-08-04 (produced 2020-08-04T21:59:59+00:00), after the change: reserved"}]},{"event_id":"aab8de2cdc637721","registry":"RIPE NCC","report_date":"2015-12-09","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"185.1.58.0/24","start":"185.1.58.0","end":"185.1.58.255","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 RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:00:30+00:00","page":"https://rirtracker.com/ip/185.1.58.0-185.1.58.255/#e-aab8de2cdc637721","report_page":"https://rirtracker.com/ripe/reports/2015-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/185.1.58.0-185.1.58.255.json","observed":"185.1.58.0/24 available on 2015-12-08, assigned on 2015-12-09","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2015-12-08 and assigned (dated 2015-12-09) on 2015-12-09. The tracker saw this range removed from registration on 2012-07-11 (185.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2015/delegated-ripencc-extended-20151209.bz2","retrieved_at":"2026-10-12T20:45:39+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 185.1.58.0/24 available on 2015-12-08, assigned on 2015-12-09"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2015/delegated-ripencc-extended-20151208.bz2","retrieved_at":"2026-10-12T20:45:36+00:00","summary":"RIPE NCC delegated statistics 2015-12-08 (produced 2015-12-08T22:59:59+00:00), before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2015/delegated-ripencc-extended-20151209.bz2","retrieved_at":"2026-10-12T20:45:39+00:00","summary":"RIPE NCC delegated statistics 2015-12-09 (produced 2015-12-09T22:59:59+00:00), after the change: assigned (dated 2015-12-09)"}]}],"classification_history":{"37292f435b40ff6d":[{"raw_change_id":427250,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:51:04+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2021-02-01 and assigned (dated 2021-02-02) on 2021-02-02. The tracker saw this range removed from registration on 2020-08-04 (185.1.58.0/24), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":427250,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:31+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2021-02-01 and assigned (dated 2021-02-02) on 2021-02-02. The tracker saw this range removed from registration on 2020-08-04 (185.1.58.0/24), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":427250,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:25+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2021-02-01 and assigned (dated 2021-02-02) on 2021-02-02. The tracker saw this range removed from registration on 2020-08-04 (185.1.58.0/24), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":427250,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:09:14+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2021-02-01 and assigned (dated 2021-02-02) on 2021-02-02. The tracker saw this range removed from registration on 2020-08-04 (185.1.58.0/24), so it appears to have been issued again from the RIPE NCC's pool."}],"87d0817aea7d5586":[{"raw_change_id":414000,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:46:05+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2015-12-09) on 2020-08-03 and reserved on 2020-08-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2021-01-31. This does not confirm availability."},{"raw_change_id":414000,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:43+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2015-12-09) on 2020-08-03 and reserved on 2020-08-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2021-01-31. This does not confirm availability."},{"raw_change_id":414000,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:03:35+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2015-12-09) on 2020-08-03 and reserved on 2020-08-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2021-01-31. This does not confirm availability."},{"raw_change_id":414000,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:17+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2015-12-09) on 2020-08-03 and reserved on 2020-08-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2021-01-31. This does not confirm availability."}],"aab8de2cdc637721":[{"raw_change_id":295008,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:53:37+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2015-12-08 and assigned (dated 2015-12-09) on 2015-12-09. The tracker saw this range removed from registration on 2012-07-11 (185.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":295008,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:13:14+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2015-12-08 and assigned (dated 2015-12-09) on 2015-12-09. The tracker saw this range removed from registration on 2012-07-11 (185.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":295008,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:56:35+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2015-12-08 and assigned (dated 2015-12-09) on 2015-12-09. The tracker saw this range removed from registration on 2012-07-11 (185.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":295008,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:00:30+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2015-12-08 and assigned (dated 2015-12-09) on 2015-12-09. The tracker saw this range removed from registration on 2012-07-11 (185.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."}]},"arin_statistics_now":{"status":"not listed"}}