{"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":"AS16633","resource_type":"asn","page":"https://rirtracker.com/asn/16633/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2000-05-30)"},"current_holder":{"rir":"ARIN","org":"SolarWinds MSP US, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":1444,"date":"2018-12-10T20:08:53Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Internet Integration, Inc.","recipient_org":"SolarWinds MSP US, Inc.","range":"AS16633","log":"ARIN"}],"events":[{"event_id":"fcb3845711659898","registry":"ARIN","report_date":"2018-12-10","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS16633","start":16633,"end":16633,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Internet Integration, Inc.","recipient_organization":"SolarWinds MSP US, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:42+00:00","page":"https://rirtracker.com/asn/16633/#e-fcb3845711659898","report_page":"https://rirtracker.com/arin/reports/2018-12-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/16633.json","observed":"Merger/acquisition: Internet Integration, Inc. (ARIN) to SolarWinds MSP US, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Internet Integration, Inc. (ARIN) to SolarWinds MSP US, Inc. (ARIN) on 2018-12-10 20:08 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 2018-12-10 20:08 UTC, Internet Integration, Inc. (ARIN) to SolarWinds MSP US, Inc. (ARIN); resources moved: AS16633"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181209.gz","retrieved_at":"2026-10-12T21:56:54+00:00","summary":"ARIN delegated statistics 2018-12-09 (produced 2018-12-09T06:00:11+00:00), before the report: assigned (dated 2000-05-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181211.gz","retrieved_at":"2026-10-12T21:56:59+00:00","summary":"ARIN delegated statistics 2018-12-11 (produced 2018-12-11T06:00:12+00:00), after the report: assigned (dated 2000-05-30)"}]}],"classification_history":{"fcb3845711659898":[{"raw_change_id":557681,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:42+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Internet Integration, Inc. (ARIN) to SolarWinds MSP US, Inc. (ARIN) on 2018-12-10 20:08 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":"assigned (dated 2000-05-30)"}}