{"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":"161.129.28.0 - 161.129.255.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/161.129.28.0-161.129.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (45 records, dated 2018-03-29 to 2024-09-09)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[{"id":43093,"date":"2026-03-06T20:23:01Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Westelcom Internet, Inc.","recipient_org":"Slic Network Solutions, Inc","range":"161.129.188.0/24","log":"ARIN"},{"id":37325,"date":"2024-11-21T15:38:46Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Full Throttle Networks Inc.","recipient_org":"Xplornet Communications Inc.","range":"161.129.30.0/24","log":"ARIN"},{"id":36691,"date":"2024-09-09T13:09:04Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"QuadraNet Enterprises LLC","recipient_org":"Interserver, Inc","range":"161.129.64.0/21","log":"ARIN"},{"id":34905,"date":"2024-03-21T20:10:47Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Dynamic Signal, Inc.","recipient_org":"Firstup, Inc.","range":"161.129.72.0/24","log":"ARIN"},{"id":34356,"date":"2024-02-06T17:48:55Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Nexril","recipient_org":"PureVoltage Hosting Inc.","range":"161.129.152.0/22","log":"ARIN"},{"id":32654,"date":"2023-08-08T15:27:06Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Fastnet Communications","recipient_org":"FlexNetworks","range":"161.129.245.0/24","log":"ARIN"},{"id":28557,"date":"2022-07-13T15:24:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Digicloud Solutions Corporation","recipient_org":"Iland Internet Solutions Corporation","range":"161.129.80.0/20","log":"ARIN"},{"id":27858,"date":"2022-04-21T19:10:34Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Radia Telecom Inc","recipient_org":"SCI REMC","range":"161.129.192.0/20","log":"ARIN"},{"id":26037,"date":"2021-11-12T20:05:18Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"OCULUS SOLUTIONS LLC","recipient_org":"OCULUS NETWORKS INC","range":"161.129.160.0/20","log":"ARIN"},{"id":25182,"date":"2021-07-22T18:15:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Radia Telecom Inc","recipient_org":"Datto, Inc","range":"161.129.208.0/20","log":"ARIN"},{"id":24796,"date":"2021-06-02T05:07:32Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"CINTEK","recipient_org":"TELUS Communications Inc.","range":"161.129.144.0/21","log":"ARIN"},{"id":22671,"date":"2021-01-25T22:32:59Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"9421092 Canada Inc.","recipient_org":"OCULUS SOLUTIONS LLC","range":"161.129.160.0/20","log":"ARIN"},{"id":20727,"date":"2020-05-14T21:53:44Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"FAL Networks","recipient_org":"Westman Communications Group","range":"161.129.128.0/21","log":"ARIN"},{"id":19303,"date":"2019-11-12T13:04:14Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"10VPN Hosting","recipient_org":"Free Range Cloud Hosting Inc.","range":"161.129.60.0/24","log":"ARIN"},{"id":18588,"date":"2019-08-08T19:00:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"FluxWeb LLC","recipient_org":"Fastnet Communications","range":"161.129.245.0/24","log":"ARIN"},{"id":14331,"date":"2018-08-30T14:45:44Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"QuadraNet, Inc","recipient_org":"QuadraNet Enterprises LLC","range":"161.129.64.0/21","log":"ARIN"},{"id":14084,"date":"2018-08-07T11:37:20Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"BuffaloColo, LLC","recipient_org":"QuadraNet, Inc","range":"161.129.64.0/21","log":"ARIN"}],"events":[{"event_id":"e2e6b24d65050a89","registry":"ARIN","report_date":"2018-03-29","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 161.129.28.0-161.129.255.255","resource_type":"ipv4","resource":"161.129.28.0 - 161.129.255.255","start":"161.129.28.0","end":"161.129.255.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:07+00:00","page":"https://rirtracker.com/ip/161.129.28.0-161.129.255.255/#e-e2e6b24d65050a89","report_page":"https://rirtracker.com/arin/reports/2018-03-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.129.28.0-161.129.255.255.json","explanation":"ARIN's statistics show it reserved on 2018-03-28 and allocated (dated 2018-03-29), reserved on 2018-03-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds 161.129.30.0-161.129.30.255, 161.129.48.0-161.129.55.255, 161.129.60.0-161.129.60.255, 161.129.61.0-161.129.61.255 and 14 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2018-03-30: Remove 161.129.29.0-161.129.29.255; 2018-03-30: Remove 161.129.32.0-161.129.47.255; 2018-03-30: Remove 161.129.62.0-161.129.62.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-March/003396.html","retrieved_at":"2026-10-12T18:39:59+00:00","summary":"ARIN-Issued report for 2018-03-29: \"Remove 161.129.28.0-161.129.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180328.gz","retrieved_at":"2026-10-12T21:43:48+00:00","summary":"ARIN delegated statistics 2018-03-28 (produced 2018-03-28T05:11:27+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180330.gz","retrieved_at":"2026-10-12T21:44:00+00:00","summary":"ARIN delegated statistics 2018-03-30 (produced 2018-03-30T05:12:17+00:00), after the report: allocated (dated 2018-03-29), reserved"}]}],"classification_history":{"e2e6b24d65050a89":[{"raw_change_id":153866,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:40:52+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-03-28 and allocated (dated 2018-03-29), reserved on 2018-03-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds 161.129.30.0-161.129.30.255, 161.129.48.0-161.129.55.255, 161.129.60.0-161.129.60.255, 161.129.61.0-161.129.61.255 and 14 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2018-03-30: Remove 161.129.29.0-161.129.29.255; 2018-03-30: Add 161.129.29.0-161.129.29.255; 2018-03-30: Remove 161.129.32.0-161.129.47.255), so the before-and-after statistics may include it."},{"raw_change_id":153866,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:15+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-03-28 and allocated (dated 2018-03-29), reserved on 2018-03-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds 161.129.30.0-161.129.30.255, 161.129.48.0-161.129.55.255, 161.129.60.0-161.129.60.255, 161.129.61.0-161.129.61.255 and 14 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2018-03-30: Remove 161.129.29.0-161.129.29.255; 2018-03-30: Remove 161.129.32.0-161.129.47.255; 2018-03-30: Remove 161.129.62.0-161.129.62.255), so the before-and-after statistics may include it."},{"raw_change_id":153866,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:56+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-03-28 and allocated (dated 2018-03-29), reserved on 2018-03-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds 161.129.30.0-161.129.30.255, 161.129.48.0-161.129.55.255, 161.129.60.0-161.129.60.255, 161.129.61.0-161.129.61.255 and 14 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2018-03-30: Remove 161.129.29.0-161.129.29.255; 2018-03-30: Remove 161.129.32.0-161.129.47.255; 2018-03-30: Remove 161.129.62.0-161.129.62.255), so the before-and-after statistics may include it."},{"raw_change_id":153866,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:07+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2018-03-28 and allocated (dated 2018-03-29), reserved on 2018-03-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds 161.129.30.0-161.129.30.255, 161.129.48.0-161.129.55.255, 161.129.60.0-161.129.60.255, 161.129.61.0-161.129.61.255 and 14 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2018-03-30: Remove 161.129.29.0-161.129.29.255; 2018-03-30: Remove 161.129.32.0-161.129.47.255; 2018-03-30: Remove 161.129.62.0-161.129.62.255), so the before-and-after statistics may include it."}]},"arin_statistics_now":{"status":"allocated (45 records, dated 2018-03-29 to 2024-09-09)"}}