{"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":"166.108.0.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/166.108.0.0-166.108.31.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-01-29)"},"current_holder":{"rir":"ARIN","org":"Amazon.com, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":101791,"date":"2024-01-29T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Aviation RE LLC","recipient_org":null,"range":"166.108.0.0/19","log":"RIPE NCC"},{"id":34231,"date":"2024-01-29T14:45:06Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"AviationRE LLC","recipient_org":"Amazon.com, Inc.","range":"166.108.0.0/19","log":"ARIN"},{"id":92932,"date":"2023-01-25T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Aviation RE LLC","range":"166.108.0.0/19","log":"RIPE NCC"},{"id":30318,"date":"2023-01-25T15:08:06Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"The McClatchy Company, LLC","recipient_org":"Aviation RE LLC","range":"166.108.0.0/19","log":"ARIN"},{"id":22090,"date":"2020-11-17T21:41:43Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"MCCLATCHY MANAGEMENT SERVICES, INC.","recipient_org":"The McClatchy Company, LLC","range":"166.108.0.0/16","log":"ARIN"}],"events":[{"event_id":"0609f607ee82035f","registry":"ARIN","report_date":"2024-01-29","source":"arin_issued","raw_action":"ADD","raw_line":"Add 166.108.0.0-166.108.31.255","resource_type":"ipv4","resource":"166.108.0.0/19","start":"166.108.0.0","end":"166.108.31.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"AviationRE LLC","recipient_organization":"Amazon.com, Inc.","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:57+00:00","page":"https://rirtracker.com/ip/166.108.0.0-166.108.31.255/#e-0609f607ee82035f","report_page":"https://rirtracker.com/arin/reports/2024-01-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/166.108.0.0-166.108.31.255.json","same_transfer_as":"83b1b2fae7f805b1","explanation":"ARIN's transfer log records a transfer from AviationRE LLC (RIPE NCC) to Amazon.com, Inc. (ARIN) on 2024-01-29 14:45 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-January/005526.html","retrieved_at":"2026-10-12T18:42:27+00:00","summary":"ARIN-Issued report for 2024-01-29: \"Add 166.108.0.0-166.108.31.255\""},{"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 2024-01-29 14:45 UTC, AviationRE LLC (RIPE NCC) to Amazon.com, Inc. (ARIN); resources moved: 166.108.0.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240128.gz","retrieved_at":"2026-10-12T23:34:20+00:00","summary":"ARIN delegated statistics 2024-01-28 (produced 2024-01-28T14:00:44+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240130.gz","retrieved_at":"2026-10-12T23:34:25+00:00","summary":"ARIN delegated statistics 2024-01-30 (produced 2024-01-30T14:00:44+00:00), after the report: allocated (dated 2024-01-29)"}]},{"event_id":"83b1b2fae7f805b1","registry":"RIPE NCC","report_date":"2024-01-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"166.108.0.0/19","start":"166.108.0.0","end":"166.108.31.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of the RIPE NCC","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"Aviation RE LLC","recipient_organization":null,"inventory_effect":"Transferred out of RIPE NCC administration; not offered to RIPE NCC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:52+00:00","page":"https://rirtracker.com/ip/166.108.0.0-166.108.31.255/#e-83b1b2fae7f805b1","report_page":"https://rirtracker.com/ripe/reports/2024-01-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/166.108.0.0-166.108.31.255.json","observed":"Transfer: Aviation RE LLC (RIPE NCC) to (no name) (ARIN)","same_transfer_as":"0609f607ee82035f","explanation":"The RIPE NCC's transfer log records a transfer from Aviation RE LLC (RIPE NCC) to an unnamed organization (ARIN) on 2024-01-29 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2024-01-29 19:00 UTC, Aviation RE LLC (RIPE NCC) to (no name) (ARIN); resources moved: 166.108.0.0/19"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240128.bz2","retrieved_at":"2026-10-13T00:22:07+00:00","summary":"RIPE NCC delegated statistics 2024-01-28 (produced 2024-01-28T22:59:59+00:00), before the change: assigned (dated 1993-12-06)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240129.bz2","retrieved_at":"2026-10-13T00:22:10+00:00","summary":"RIPE NCC delegated statistics 2024-01-29 (produced 2024-01-29T22:59:59+00:00), after the change: not listed"}]},{"event_id":"5a499fd0b2ab5566","registry":"ARIN","report_date":"2023-01-25","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"166.108.0.0/19","start":"166.108.0.0","end":"166.108.31.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"The McClatchy Company, LLC","recipient_organization":"Aviation RE LLC","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:06+00:00","page":"https://rirtracker.com/ip/166.108.0.0-166.108.31.255/#e-5a499fd0b2ab5566","report_page":"https://rirtracker.com/arin/reports/2023-01-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/166.108.0.0-166.108.31.255.json","observed":"Transfer: The McClatchy Company, LLC (ARIN) to Aviation RE LLC (RIPE NCC)","piece_of":{"resource":"166.108.0.0/16","page":"https://rirtracker.com/ip/166.108.0.0-166.108.255.255/"},"same_transfer_as":"d3ae3a8c7ef6c438","explanation":"ARIN's transfer log records a transfer from The McClatchy Company, LLC (ARIN) to Aviation RE LLC (RIPE NCC) on 2023-01-25 15:08 UTC: it left ARIN for the RIPE NCC. It is not a new allocation and is not offered to ARIN applicants.","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: RESOURCE_TRANSFER on 2023-01-25 15:08 UTC, The McClatchy Company, LLC (ARIN) to Aviation RE LLC (RIPE NCC); resources moved: 166.108.0.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230124.gz","retrieved_at":"2026-10-12T23:14:43+00:00","summary":"ARIN delegated statistics 2023-01-24 (produced 2023-01-24T14:00:10+00:00), before the report: allocated (dated 1993-12-06)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230126.gz","retrieved_at":"2026-10-12T23:14:48+00:00","summary":"ARIN delegated statistics 2023-01-26 (produced 2023-01-26T14:00:11+00:00), after the report: not listed"}]},{"event_id":"d3ae3a8c7ef6c438","registry":"RIPE NCC","report_date":"2023-01-25","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"166.108.0.0/19","start":"166.108.0.0","end":"166.108.31.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Aviation RE LLC","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:23+00:00","page":"https://rirtracker.com/ip/166.108.0.0-166.108.31.255/#e-d3ae3a8c7ef6c438","report_page":"https://rirtracker.com/ripe/reports/2023-01-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/166.108.0.0-166.108.31.255.json","observed":"Transfer: (no name) (ARIN) to Aviation RE LLC (RIPE NCC)","same_transfer_as":"5a499fd0b2ab5566","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Aviation RE LLC (RIPE NCC) on 2023-01-25 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2023-01-25 19:00 UTC, (no name) (ARIN) to Aviation RE LLC (RIPE NCC); resources moved: 166.108.0.0/19"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230124.bz2","retrieved_at":"2026-10-12T23:54:08+00:00","summary":"RIPE NCC delegated statistics 2023-01-24 (produced 2023-01-24T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230125.bz2","retrieved_at":"2026-10-12T23:54:11+00:00","summary":"RIPE NCC delegated statistics 2023-01-25 (produced 2023-01-25T22:59:59+00:00), after the change: assigned (dated 1993-12-06)"}]}],"classification_history":{"0609f607ee82035f":[{"raw_change_id":185262,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:00:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AviationRE LLC (RIPE NCC) to Amazon.com, Inc. (ARIN) on 2024-01-29 14:45 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":185262,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:38+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AviationRE LLC (RIPE NCC) to Amazon.com, Inc. (ARIN) on 2024-01-29 14:45 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":185262,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:29+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AviationRE LLC (RIPE NCC) to Amazon.com, Inc. (ARIN) on 2024-01-29 14:45 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":185262,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:57+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from AviationRE LLC (RIPE NCC) to Amazon.com, Inc. (ARIN) on 2024-01-29 14:45 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."}],"83b1b2fae7f805b1":[{"raw_change_id":102343,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:03:42+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Aviation RE LLC (RIPE NCC) to an unnamed organization (ARIN) on 2024-01-29 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":102343,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:32+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Aviation RE LLC (RIPE NCC) to an unnamed organization (ARIN) on 2024-01-29 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":102343,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:00+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Aviation RE LLC (RIPE NCC) to an unnamed organization (ARIN) on 2024-01-29 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":102343,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:52+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Aviation RE LLC (RIPE NCC) to an unnamed organization (ARIN) on 2024-01-29 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."}],"5a499fd0b2ab5566":[{"raw_change_id":567250,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:06+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from The McClatchy Company, LLC (ARIN) to Aviation RE LLC (RIPE NCC) on 2023-01-25 15:08 UTC: it left ARIN for the RIPE NCC. It is not a new allocation and is not offered to ARIN applicants."}],"d3ae3a8c7ef6c438":[{"raw_change_id":93371,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:59:53+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Aviation RE LLC (RIPE NCC) on 2023-01-25 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":93371,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:10+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Aviation RE LLC (RIPE NCC) on 2023-01-25 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":93371,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:46:36+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Aviation RE LLC (RIPE NCC) on 2023-01-25 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":93371,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:23+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Aviation RE LLC (RIPE NCC) on 2023-01-25 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"allocated (dated 2024-01-29)"}}