{"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":"216.41.144.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.41.144.0-216.41.159.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2016-08-16)"},"current_holder":{"rir":"ARIN","org":"NCS DataCom","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":7567,"date":"2016-08-16T18:58:30Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Vertical Knowledge, LLC.","recipient_org":"NCS DataCom","range":"216.41.144.0/20","log":"ARIN"},{"id":5534,"date":"2014-10-20T16:35:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Poplar Bluff Internet, Inc.","recipient_org":"Vertical Knowledge, LLC.","range":"216.41.144.0/20","log":"ARIN"}],"events":[{"event_id":"084dafca0f1682ba","registry":"ARIN","report_date":"2016-08-16","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.41.144.0-216.41.159.255","resource_type":"ipv4","resource":"216.41.144.0/20","start":"216.41.144.0","end":"216.41.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Vertical Knowledge, LLC.","recipient_organization":"NCS DataCom","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:37+00:00","page":"https://rirtracker.com/ip/216.41.144.0-216.41.159.255/#e-084dafca0f1682ba","report_page":"https://rirtracker.com/arin/reports/2016-08-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.41.144.0-216.41.159.255.json","explanation":"ARIN's transfer log records a transfer from Vertical Knowledge, LLC. (ARIN) to NCS DataCom (ARIN) on 2016-08-16 18:58 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/2016-August/002805.html","retrieved_at":"2026-10-12T18:39:19+00:00","summary":"ARIN-Issued report for 2016-08-16: \"Add 216.41.144.0-216.41.159.255\""},{"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 2016-08-16 18:58 UTC, Vertical Knowledge, LLC. (ARIN) to NCS DataCom (ARIN); resources moved: 216.41.144.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160815.gz","retrieved_at":"2026-10-12T21:14:47+00:00","summary":"ARIN delegated statistics 2016-08-15 (produced 2016-08-15T05:09:08+00:00), before the report: assigned (dated 2014-10-20)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160817.gz","retrieved_at":"2026-10-12T21:14:52+00:00","summary":"ARIN delegated statistics 2016-08-17 (produced 2016-08-17T05:09:18+00:00), after the report: allocated (dated 2016-08-16)"}]},{"event_id":"1ae590c355229c94","registry":"ARIN","report_date":"2014-10-20","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.41.144.0-216.41.159.255","resource_type":"ipv4","resource":"216.41.144.0/20","start":"216.41.144.0","end":"216.41.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Poplar Bluff Internet, Inc.","recipient_organization":"Vertical Knowledge, LLC.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:16+00:00","page":"https://rirtracker.com/ip/216.41.144.0-216.41.159.255/#e-1ae590c355229c94","report_page":"https://rirtracker.com/arin/reports/2014-10-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.41.144.0-216.41.159.255.json","piece_of":{"resource":"216.41.128.0/19","page":"https://rirtracker.com/ip/216.41.128.0-216.41.159.255/"},"explanation":"ARIN's transfer log records a transfer from Poplar Bluff Internet, Inc. (ARIN) to Vertical Knowledge, LLC. (ARIN) on 2014-10-20 16:35 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/2014-October/002140.html","retrieved_at":"2026-10-12T18:38:32+00:00","summary":"ARIN-Issued report for 2014-10-20: \"Add 216.41.144.0-216.41.159.255\""},{"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 2014-10-20 16:35 UTC, Poplar Bluff Internet, Inc. (ARIN) to Vertical Knowledge, LLC. (ARIN); resources moved: 216.41.144.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141019.gz","retrieved_at":"2026-10-12T20:42:45+00:00","summary":"ARIN delegated statistics 2014-10-19 (produced 2014-10-19T05:03:54+00:00), before the report: allocated (dated 2000-12-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141021.gz","retrieved_at":"2026-10-12T20:42:50+00:00","summary":"ARIN delegated statistics 2014-10-21 (produced 2014-10-21T05:03:50+00:00), after the report: assigned (dated 2014-10-20)"}]}],"classification_history":{"084dafca0f1682ba":[{"raw_change_id":145896,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:35:50+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Vertical Knowledge, LLC. (ARIN) to NCS DataCom (ARIN) on 2016-08-16 18:58 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145896,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Vertical Knowledge, LLC. (ARIN) to NCS DataCom (ARIN) on 2016-08-16 18:58 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145896,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Vertical Knowledge, LLC. (ARIN) to NCS DataCom (ARIN) on 2016-08-16 18:58 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145896,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:37+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Vertical Knowledge, LLC. (ARIN) to NCS DataCom (ARIN) on 2016-08-16 18:58 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"1ae590c355229c94":[{"raw_change_id":134297,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:27:16+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Poplar Bluff Internet, Inc. (ARIN) to Vertical Knowledge, LLC. (ARIN) on 2014-10-20 16:35 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":134297,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:37+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Poplar Bluff Internet, Inc. (ARIN) to Vertical Knowledge, LLC. (ARIN) on 2014-10-20 16:35 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":134297,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:13+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Poplar Bluff Internet, Inc. (ARIN) to Vertical Knowledge, LLC. (ARIN) on 2014-10-20 16:35 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":134297,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:16+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Poplar Bluff Internet, Inc. (ARIN) to Vertical Knowledge, LLC. (ARIN) on 2014-10-20 16:35 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2016-08-16)"}}