{"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":"216.157.128.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.157.128.0-216.157.159.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-07-14), allocated (dated 2020-08-11), allocated (dated 2020-12-23)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":28630,"date":"2022-07-28T19:13:51Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"City of Thomasville Utilities","recipient_org":"CNSNext","range":"216.157.144.0/21","log":"ARIN"},{"id":22598,"date":"2021-01-13T17:30:08Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Frontline Communications","recipient_org":"Splunk Inc.","range":"216.157.157.0/24","log":"ARIN"},{"id":22599,"date":"2021-01-13T17:30:08Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Frontline Communications","recipient_org":"Splunk Inc.","range":"216.157.158.0/23","log":"ARIN"},{"id":127042,"date":"2021-01-13T03:24:58Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"SINEP-1","recipient_org":"Splunk Inc.","range":"216.157.158.0/23","log":"APNIC"},{"id":127041,"date":"2021-01-13T03:15:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"SINEP-1","recipient_org":"Splunk Inc.","range":"216.157.157.0/24","log":"APNIC"},{"id":22339,"date":"2020-12-23T19:55:21Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Frontline Communications","recipient_org":"Splunk, Inc.","range":"216.157.156.0/24","log":"ARIN"},{"id":21281,"date":"2020-08-11T19:17:06Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Frontline Communications","recipient_org":"Meraki LLC","range":"216.157.128.0/20","log":"ARIN"},{"id":21054,"date":"2020-07-14T20:41:55Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Frontline Communications","recipient_org":"City of Thomasville Utilities","range":"216.157.144.0/21","log":"ARIN"},{"id":21035,"date":"2020-07-14T17:41:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Frontline Communications","recipient_org":"MetroOptic, Inc.","range":"216.157.152.0/22","log":"ARIN"},{"id":14032,"date":"2018-07-30T18:30:34Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Frontline Data Services, Inc","recipient_org":"Sinep Corporation","range":"216.157.128.0/19","log":"ARIN"}],"events":[{"event_id":"e48b157484901269","registry":"ARIN","report_date":"2018-07-30","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"216.157.128.0/19","start":"216.157.128.0","end":"216.157.159.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Frontline Data Services, Inc","recipient_organization":"Sinep Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:37+00:00","page":"https://rirtracker.com/ip/216.157.128.0-216.157.159.255/#e-e48b157484901269","report_page":"https://rirtracker.com/arin/reports/2018-07-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.157.128.0-216.157.159.255.json","observed":"Merger/acquisition: Frontline Data Services, Inc (ARIN) to Sinep Corporation (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Frontline Data Services, Inc (ARIN) to Sinep Corporation (ARIN) on 2018-07-30 18:30 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 2018-07-30 18:30 UTC, Frontline Data Services, Inc (ARIN) to Sinep Corporation (ARIN); resources moved: 216.157.128.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180729.gz","retrieved_at":"2026-10-12T21:50:05+00:00","summary":"ARIN delegated statistics 2018-07-29 (produced 2018-07-29T05:00:20+00:00), before the report: allocated (dated 2002-08-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180731.gz","retrieved_at":"2026-10-12T21:50:10+00:00","summary":"ARIN delegated statistics 2018-07-31 (produced 2018-07-31T05:00:22+00:00), after the report: allocated (dated 2002-08-09)"}]}],"classification_history":{"e48b157484901269":[{"raw_change_id":555315,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:37+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Frontline Data Services, Inc (ARIN) to Sinep Corporation (ARIN) on 2018-07-30 18:30 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 2020-07-14), allocated (dated 2020-08-11), allocated (dated 2020-12-23)"}}