{"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":"204.16.100.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.16.100.0-204.16.103.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2005-10-26)"},"current_holder":{"rir":"ARIN","org":"Vianet Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":45599,"date":"2026-09-15T20:46:14Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Lakeland Networks","recipient_org":"Vianet Inc.","range":"204.16.100.0/22","log":"ARIN"},{"id":32751,"date":"2023-08-21T15:39:44Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Core Broadband Inc","recipient_org":"Lakeland Networks","range":"204.16.100.0/22","log":"ARIN"},{"id":22211,"date":"2020-12-07T23:29:36Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Muskoka.com","recipient_org":"Core Broadband Inc","range":"204.16.100.0/22","log":"ARIN"}],"events":[{"event_id":"87178771be62e68d","registry":"ARIN","report_date":"2026-09-15","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.16.100.0/22","start":"204.16.100.0","end":"204.16.103.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Lakeland Networks","recipient_organization":"Vianet Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:30+00:00","page":"https://rirtracker.com/ip/204.16.100.0-204.16.103.255/#e-87178771be62e68d","report_page":"https://rirtracker.com/arin/reports/2026-09-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.16.100.0-204.16.103.255.json","observed":"Merger/acquisition: Lakeland Networks (ARIN) to Vianet Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Lakeland Networks (ARIN) to Vianet Inc. (ARIN) on 2026-09-15 20:46 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 2026-09-15 20:46 UTC, Lakeland Networks (ARIN) to Vianet Inc. (ARIN); resources moved: 204.16.100.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260914","retrieved_at":"2026-10-09T19:07:37+00:00","summary":"ARIN delegated statistics 2026-09-14 (produced 2026-09-14T13:00:20+00:00), before the report: allocated (dated 2005-10-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260916","retrieved_at":"2026-10-09T19:07:44+00:00","summary":"ARIN delegated statistics 2026-09-16 (produced 2026-09-16T13:00:21+00:00), after the report: allocated (dated 2005-10-26)"}]},{"event_id":"7a8b167dc14a76a4","registry":"ARIN","report_date":"2023-08-21","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.16.100.0/22","start":"204.16.100.0","end":"204.16.103.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Core Broadband Inc","recipient_organization":"Lakeland Networks","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:10+00:00","page":"https://rirtracker.com/ip/204.16.100.0-204.16.103.255/#e-7a8b167dc14a76a4","report_page":"https://rirtracker.com/arin/reports/2023-08-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.16.100.0-204.16.103.255.json","observed":"Merger/acquisition: Core Broadband Inc (ARIN) to Lakeland Networks (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Core Broadband Inc (ARIN) to Lakeland Networks (ARIN) on 2023-08-21 15:39 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 2023-08-21 15:39 UTC, Core Broadband Inc (ARIN) to Lakeland Networks (ARIN); resources moved: 204.16.100.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230820.gz","retrieved_at":"2026-10-12T23:25:43+00:00","summary":"ARIN delegated statistics 2023-08-20 (produced 2023-08-20T13:00:13+00:00), before the report: allocated (dated 2005-10-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230822.gz","retrieved_at":"2026-10-12T23:25:48+00:00","summary":"ARIN delegated statistics 2023-08-22 (produced 2023-08-22T13:00:13+00:00), after the report: allocated (dated 2005-10-26)"}]},{"event_id":"302d2ac820eb4c90","registry":"ARIN","report_date":"2020-12-07","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.16.100.0/22","start":"204.16.100.0","end":"204.16.103.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Muskoka.com","recipient_organization":"Core Broadband Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:52+00:00","page":"https://rirtracker.com/ip/204.16.100.0-204.16.103.255/#e-302d2ac820eb4c90","report_page":"https://rirtracker.com/arin/reports/2020-12-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.16.100.0-204.16.103.255.json","observed":"Merger/acquisition: Muskoka.com (ARIN) to Core Broadband Inc (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Muskoka.com (ARIN) to Core Broadband Inc (ARIN) on 2020-12-07 23:29 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 2020-12-07 23:29 UTC, Muskoka.com (ARIN) to Core Broadband Inc (ARIN); resources moved: 204.16.100.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201206.gz","retrieved_at":"2026-10-12T22:34:39+00:00","summary":"ARIN delegated statistics 2020-12-06 (produced 2020-12-06T15:00:14+00:00), before the report: allocated (dated 2005-10-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201208.gz","retrieved_at":"2026-10-12T22:34:44+00:00","summary":"ARIN delegated statistics 2020-12-08 (produced 2020-12-08T15:00:13+00:00), after the report: allocated (dated 2005-10-26)"}]}],"classification_history":{"87178771be62e68d":[{"raw_change_id":577304,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Lakeland Networks (ARIN) to Vianet Inc. (ARIN) on 2026-09-15 20:46 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."}],"7a8b167dc14a76a4":[{"raw_change_id":568984,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:10+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Core Broadband Inc (ARIN) to Lakeland Networks (ARIN) on 2023-08-21 15:39 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."}],"302d2ac820eb4c90":[{"raw_change_id":561458,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:52+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Muskoka.com (ARIN) to Core Broadband Inc (ARIN) on 2020-12-07 23:29 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 2005-10-26)"}}