{"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":"162.253.208.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/162.253.208.0-162.253.215.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-09-28)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"0ad119fd6f56280d","registry":"ARIN","report_date":"2019-02-05","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"162.253.208.0/21","start":"162.253.208.0","end":"162.253.215.255","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":"2026-10-14T00:05:13+00:00","page":"https://rirtracker.com/ip/162.253.208.0-162.253.215.255/#e-0ad119fd6f56280d","report_page":"https://rirtracker.com/arin/reports/2019-02-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.253.208.0-162.253.215.255.json","observed":"162.253.208.0/21 allocated on 2019-02-05, reserved on 2019-02-06","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":"2019-04-06","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 allocated (dated 2014-02-21) on 2019-02-04 and reserved on 2019-02-06. 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 2019-04-06. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190206.gz","retrieved_at":"2026-10-12T21:59:56+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 162.253.208.0/21 allocated on 2019-02-05, reserved on 2019-02-06"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190204.gz","retrieved_at":"2026-10-12T21:59:51+00:00","summary":"ARIN delegated statistics 2019-02-04 (produced 2019-02-04T06:00:17+00:00), before the report: allocated (dated 2014-02-21)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190206.gz","retrieved_at":"2026-10-12T21:59:56+00:00","summary":"ARIN delegated statistics 2019-02-06 (produced 2019-02-06T06:00:16+00:00), after the report: reserved"}]},{"event_id":"b0c8ccb85a0d188c","registry":"ARIN","report_date":"2017-02-07","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"162.253.208.0/21","start":"162.253.208.0","end":"162.253.215.255","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":"2026-10-14T00:02:43+00:00","page":"https://rirtracker.com/ip/162.253.208.0-162.253.215.255/#e-b0c8ccb85a0d188c","report_page":"https://rirtracker.com/arin/reports/2017-02-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.253.208.0-162.253.215.255.json","observed":"162.253.208.0/21 allocated on 2017-02-07, reserved on 2017-02-08","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":"2017-04-08","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 allocated (dated 2014-02-21) on 2017-02-06 and reserved on 2017-02-08. 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 2017-04-08. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170208.gz","retrieved_at":"2026-10-12T21:23:21+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 162.253.208.0/21 allocated on 2017-02-07, reserved on 2017-02-08"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170206.gz","retrieved_at":"2026-10-12T21:23:17+00:00","summary":"ARIN delegated statistics 2017-02-06 (produced 2017-02-06T06:09:02+00:00), before the report: allocated (dated 2014-02-21)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170208.gz","retrieved_at":"2026-10-12T21:23:21+00:00","summary":"ARIN delegated statistics 2017-02-08 (produced 2017-02-08T06:09:32+00:00), after the report: reserved"}]},{"event_id":"5aa2f76c1db26216","registry":"ARIN","report_date":"2014-02-21","source":"arin_issued","raw_action":"ADD","raw_line":"Add 162.253.208.0-162.253.215.255","resource_type":"ipv4","resource":"162.253.208.0/21","start":"162.253.208.0","end":"162.253.215.255","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 ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:10+00:00","page":"https://rirtracker.com/ip/162.253.208.0-162.253.215.255/#e-5aa2f76c1db26216","report_page":"https://rirtracker.com/arin/reports/2014-02-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.253.208.0-162.253.215.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-20 and allocated (dated 2014-02-21) on 2014-02-22. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-February/001900.html","retrieved_at":"2026-10-12T18:38:16+00:00","summary":"ARIN-Issued report for 2014-02-21: \"Add 162.253.208.0-162.253.215.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140220.gz","retrieved_at":"2026-10-12T20:12:10+00:00","summary":"ARIN delegated statistics 2014-02-20 (produced 2014-02-20T06:05:50+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140222.gz","retrieved_at":"2026-10-12T20:12:19+00:00","summary":"ARIN delegated statistics 2014-02-22 (produced 2014-02-22T06:05:56+00:00), after the report: allocated (dated 2014-02-21)"}]}],"classification_history":{"0ad119fd6f56280d":[{"raw_change_id":368214,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:27:48+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 allocated (dated 2014-02-21) on 2019-02-04 and reserved on 2019-02-06. 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 2019-04-06. This does not confirm availability."},{"raw_change_id":368214,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:11+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 allocated (dated 2014-02-21) on 2019-02-04 and reserved on 2019-02-06. 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 2019-04-06. This does not confirm availability."},{"raw_change_id":368214,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:51+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 allocated (dated 2014-02-21) on 2019-02-04 and reserved on 2019-02-06. 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 2019-04-06. This does not confirm availability."},{"raw_change_id":368214,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:13+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 allocated (dated 2014-02-21) on 2019-02-04 and reserved on 2019-02-06. 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 2019-04-06. This does not confirm availability."}],"b0c8ccb85a0d188c":[{"raw_change_id":329348,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:09:07+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 allocated (dated 2014-02-21) on 2017-02-06 and reserved on 2017-02-08. 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 2017-04-08. This does not confirm availability."},{"raw_change_id":329348,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:07+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 allocated (dated 2014-02-21) on 2017-02-06 and reserved on 2017-02-08. 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 2017-04-08. This does not confirm availability."},{"raw_change_id":329348,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:37+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 allocated (dated 2014-02-21) on 2017-02-06 and reserved on 2017-02-08. 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 2017-04-08. This does not confirm availability."},{"raw_change_id":329348,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:43+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 allocated (dated 2014-02-21) on 2017-02-06 and reserved on 2017-02-08. 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 2017-04-08. This does not confirm availability."}],"5aa2f76c1db26216":[{"raw_change_id":131535,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:23:42+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-20 and allocated (dated 2014-02-21) on 2014-02-22. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131535,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:33+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-20 and allocated (dated 2014-02-21) on 2014-02-22. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131535,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","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 available on 2014-02-20 and allocated (dated 2014-02-21) on 2014-02-22. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":131535,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","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 available on 2014-02-20 and allocated (dated 2014-02-21) on 2014-02-22. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2020-09-28)"}}