{"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":"162.254.72.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/162.254.72.0-162.254.79.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2018-05-23)"},"current_holder":{"rir":"ARIN","org":"Amazon.com, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":13253,"date":"2018-05-23T16:59:57Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"ERTR Media LLC","recipient_org":"Amazon.com, Inc.","range":"162.254.72.0/21","log":"ARIN"},{"id":13118,"date":"2018-05-07T14:31:01Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"ERTR LLC","recipient_org":"ERTR Media LLC","range":"162.254.72.0/21","log":"ARIN"}],"events":[{"event_id":"8d61e5645f071778","registry":"ARIN","report_date":"2018-05-23","source":"arin_issued","raw_action":"ADD","raw_line":"Add 162.254.72.0-162.254.79.255","resource_type":"ipv4","resource":"162.254.72.0/21","start":"162.254.72.0","end":"162.254.79.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"ERTR Media LLC","recipient_organization":"Amazon.com, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:10+00:00","page":"https://rirtracker.com/ip/162.254.72.0-162.254.79.255/#e-8d61e5645f071778","report_page":"https://rirtracker.com/arin/reports/2018-05-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.254.72.0-162.254.79.255.json","explanation":"ARIN's transfer log records a transfer from ERTR Media LLC (ARIN) to Amazon.com, Inc. (ARIN) on 2018-05-23 16:59 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/2018-May/003451.html","retrieved_at":"2026-10-12T18:40:03+00:00","summary":"ARIN-Issued report for 2018-05-23: \"Add 162.254.72.0-162.254.79.255\""},{"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 2018-05-23 16:59 UTC, ERTR Media LLC (ARIN) to Amazon.com, Inc. (ARIN); resources moved: 162.254.72.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180522.gz","retrieved_at":"2026-10-12T21:46:35+00:00","summary":"ARIN delegated statistics 2018-05-22 (produced 2018-05-22T05:00:24+00:00), before the report: allocated (dated 2014-02-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180524.gz","retrieved_at":"2026-10-12T21:46:40+00:00","summary":"ARIN delegated statistics 2018-05-24 (produced 2018-05-24T05:00:26+00:00), after the report: allocated (dated 2018-05-23)"}]},{"event_id":"ea0aeeb15621fe73","registry":"ARIN","report_date":"2018-05-07","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"162.254.72.0/21","start":"162.254.72.0","end":"162.254.79.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"ERTR LLC","recipient_organization":"ERTR Media LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:35+00:00","page":"https://rirtracker.com/ip/162.254.72.0-162.254.79.255/#e-ea0aeeb15621fe73","report_page":"https://rirtracker.com/arin/reports/2018-05-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.254.72.0-162.254.79.255.json","observed":"Merger/acquisition: ERTR LLC (ARIN) to ERTR Media LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from ERTR LLC (ARIN) to ERTR Media LLC (ARIN) on 2018-05-07 14:31 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"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: MERGER_ACQUISITION on 2018-05-07 14:31 UTC, ERTR LLC (ARIN) to ERTR Media LLC (ARIN); resources moved: 162.254.72.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180506.gz","retrieved_at":"2026-10-12T21:45:47+00:00","summary":"ARIN delegated statistics 2018-05-06 (produced 2018-05-06T05:10:43+00:00), before the report: allocated (dated 2014-02-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180508.gz","retrieved_at":"2026-10-12T21:45:52+00:00","summary":"ARIN delegated statistics 2018-05-08 (produced 2018-05-08T05:10:08+00:00), after the report: allocated (dated 2014-02-28)"}]},{"event_id":"6b94e7e4564bc232","registry":"ARIN","report_date":"2014-02-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add 162.254.72.0-162.254.79.255","resource_type":"ipv4","resource":"162.254.72.0/21","start":"162.254.72.0","end":"162.254.79.255","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/162.254.72.0-162.254.79.255/#e-6b94e7e4564bc232","report_page":"https://rirtracker.com/arin/reports/2014-02-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.254.72.0-162.254.79.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-27 and allocated (dated 2014-02-28) on 2014-03-01. 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/001907.html","retrieved_at":"2026-10-12T18:38:16+00:00","summary":"ARIN-Issued report for 2014-02-28: \"Add 162.254.72.0-162.254.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140227.gz","retrieved_at":"2026-10-12T20:12:31+00:00","summary":"ARIN delegated statistics 2014-02-27 (produced 2014-02-27T06:07:18+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140301.gz","retrieved_at":"2026-10-12T20:12:36+00:00","summary":"ARIN delegated statistics 2014-03-01 (produced 2014-03-01T06:06:59+00:00), after the report: allocated (dated 2014-02-28)"}]}],"classification_history":{"8d61e5645f071778":[{"raw_change_id":154665,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:17+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from ERTR Media LLC (ARIN) to Amazon.com, Inc. (ARIN) on 2018-05-23 16:59 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":154665,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:17+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from ERTR Media LLC (ARIN) to Amazon.com, Inc. (ARIN) on 2018-05-23 16:59 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":154665,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from ERTR Media LLC (ARIN) to Amazon.com, Inc. (ARIN) on 2018-05-23 16:59 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":154665,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:10+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from ERTR Media LLC (ARIN) to Amazon.com, Inc. (ARIN) on 2018-05-23 16:59 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"ea0aeeb15621fe73":[{"raw_change_id":554645,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:35+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from ERTR LLC (ARIN) to ERTR Media LLC (ARIN) on 2018-05-07 14:31 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}],"6b94e7e4564bc232":[{"raw_change_id":131618,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:23:48+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-27 and allocated (dated 2014-02-28) on 2014-03-01. 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":131618,"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 2014-02-27 and allocated (dated 2014-02-28) on 2014-03-01. 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":131618,"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 2014-02-27 and allocated (dated 2014-02-28) on 2014-03-01. 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":131618,"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 2014-02-27 and allocated (dated 2014-02-28) on 2014-03-01. 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 2018-05-23)"}}