{"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":"140.167.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/140.167.0.0-140.167.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-12-09)"},"current_holder":{"rir":"ARIN","org":"Amazon.com, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":37896,"date":"2024-12-09T16:47:29Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"CASCADES CANADA ULC","recipient_org":"Amazon.com, Inc.","range":"140.167.0.0/16","log":"ARIN"},{"id":36561,"date":"2024-09-03T12:41:06Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Domtar Packaging","recipient_org":"CASCADES CANADA ULC","range":"140.167.0.0/16","log":"ARIN"}],"events":[{"event_id":"260b014d88cde65b","registry":"ARIN","report_date":"2024-12-09","source":"arin_issued","raw_action":"ADD","raw_line":"Add 140.167.0.0-140.167.255.255","resource_type":"ipv4","resource":"140.167.0.0/16","start":"140.167.0.0","end":"140.167.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"CASCADES CANADA ULC","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":"2026-10-13T23:54:17+00:00","page":"https://rirtracker.com/ip/140.167.0.0-140.167.255.255/#e-260b014d88cde65b","report_page":"https://rirtracker.com/arin/reports/2024-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/140.167.0.0-140.167.255.255.json","explanation":"ARIN's transfer log records a transfer from CASCADES CANADA ULC (ARIN) to Amazon.com, Inc. (ARIN) on 2024-12-09 16:47 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/2024-December/005840.html","retrieved_at":"2026-10-12T18:42:50+00:00","summary":"ARIN-Issued report for 2024-12-09: \"Add 140.167.0.0-140.167.255.255\""},{"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 2024-12-09 16:47 UTC, CASCADES CANADA ULC (ARIN) to Amazon.com, Inc. (ARIN); resources moved: 140.167.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241208.gz","retrieved_at":"2026-10-12T23:51:12+00:00","summary":"ARIN delegated statistics 2024-12-08 (produced 2024-12-08T14:01:06+00:00), before the report: allocated (dated 1990-05-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241210.gz","retrieved_at":"2026-10-12T23:51:17+00:00","summary":"ARIN delegated statistics 2024-12-10 (produced 2024-12-10T14:01:06+00:00), after the report: allocated (dated 2024-12-09)"}]},{"event_id":"9a9d81b8719322c1","registry":"ARIN","report_date":"2024-09-03","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"140.167.0.0/16","start":"140.167.0.0","end":"140.167.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Domtar Packaging","recipient_organization":"CASCADES CANADA ULC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:16+00:00","page":"https://rirtracker.com/ip/140.167.0.0-140.167.255.255/#e-9a9d81b8719322c1","report_page":"https://rirtracker.com/arin/reports/2024-09-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/140.167.0.0-140.167.255.255.json","observed":"Merger/acquisition: Domtar Packaging (ARIN) to CASCADES CANADA ULC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Domtar Packaging (ARIN) to CASCADES CANADA ULC (ARIN) on 2024-09-03 12:41 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 2024-09-03 12:41 UTC, Domtar Packaging (ARIN) to CASCADES CANADA ULC (ARIN); resources moved: 140.167.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240902.gz","retrieved_at":"2026-10-12T23:45:58+00:00","summary":"ARIN delegated statistics 2024-09-02 (produced 2024-09-02T13:00:51+00:00), before the report: allocated (dated 1990-05-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240904.gz","retrieved_at":"2026-10-12T23:46:03+00:00","summary":"ARIN delegated statistics 2024-09-04 (produced 2024-09-04T13:00:52+00:00), after the report: allocated (dated 1990-05-08)"}]}],"classification_history":{"260b014d88cde65b":[{"raw_change_id":190883,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:04:18+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from CASCADES CANADA ULC (ARIN) to Amazon.com, Inc. (ARIN) on 2024-12-09 16:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190883,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from CASCADES CANADA ULC (ARIN) to Amazon.com, Inc. (ARIN) on 2024-12-09 16:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190883,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:46+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from CASCADES CANADA ULC (ARIN) to Amazon.com, Inc. (ARIN) on 2024-12-09 16:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190883,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:17+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from CASCADES CANADA ULC (ARIN) to Amazon.com, Inc. (ARIN) on 2024-12-09 16:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"9a9d81b8719322c1":[{"raw_change_id":571565,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:16+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Domtar Packaging (ARIN) to CASCADES CANADA ULC (ARIN) on 2024-09-03 12:41 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."}]},"arin_statistics_now":{"status":"allocated (dated 2024-12-09)"}}