{"classifier_version":"1.0.0","generated":"2026-10-09T21:19:22+00:00","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by the American Registry for Internet Numbers (ARIN), the Number Resource Organization (NRO), or any 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":"152.55.216.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/152.55.216.0-152.55.223.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"not listed"},"current_holder":{"rir":"RIPE NCC","org":"Granatnet OÜ","how":"the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":42584,"date":"2026-01-12T14:37:44Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"MCNC","recipient_org":"Granatnet OÜ","range":"152.55.216.0/21"}],"events":[{"event_id":"7a9eeb78038168e7","report_date":"2026-01-12","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"152.55.216.0/21","start":"152.55.216.0","end":"152.55.223.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"MCNC","recipient_organization":"Granatnet OÜ","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:28+00:00","page":"https://rirtracker.com/ip/152.55.216.0-152.55.223.255/#e-7a9eeb78038168e7","evidence_url":"https://rirtracker.com/api/v1/events/7a9eeb78038168e7.json","piece_of":{"resource":"152.55.192.0/18","page":"https://rirtracker.com/ip/152.55.192.0-152.55.255.255/"},"explanation":"ARIN's transfer log records a transfer from MCNC (ARIN) to Granatnet OÜ (RIPE NCC) on 2026-01-12 14:37 UTC: it left ARIN for RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260113","retrieved_at":"2026-10-09T18:54:54+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 152.55.216.0/21 allocated on 2026-01-12, not listed on 2026-01-13"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-09T18:54:15+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-01-12 14:37 UTC, MCNC (ARIN) to Granatnet OÜ (RIPE NCC); resources moved: 152.55.216.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260111","retrieved_at":"2026-10-09T18:54:47+00:00","summary":"ARIN delegated statistics 2026-01-11 (produced 2026-01-11T14:00:46+00:00), before the report: allocated (dated 1994-08-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260113","retrieved_at":"2026-10-09T18:54:54+00:00","summary":"ARIN delegated statistics 2026-01-13 (produced 2026-01-13T14:00:48+00:00), after the report: not listed"}]}],"classification_history":{"7a9eeb78038168e7":[{"raw_change_id":5867,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:28+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from MCNC (ARIN) to Granatnet OÜ (RIPE NCC) on 2026-01-12 14:37 UTC: it left ARIN for RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}]}}