{"classifier_version":"1.1.0","generated":"2026-10-10T17:51:29+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 RIPE Network Coordination Centre (RIPE NCC), 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":"91.221.172.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/91.221.172.0-91.221.173.255/","statistics_now":{"registry":"RIPE NCC","file_date":"2026-10-09","status":"assigned (dated 2010-12-09)"},"current_holder":{"rir":"RIPE NCC","org":"Lukasz Rafal Hamerski trading as Maxnet","how":"RIPE NCC's statistics for 2026-10-09 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":118147,"date":"2026-01-08T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Zaklad Instalacji Anten Jacek Krasnodebski","recipient_org":"Lukasz Rafal Hamerski trading as Maxnet","range":"91.221.172.0/23","log":"RIPE NCC"}],"events":[{"event_id":"4af2f31a417a572e","registry":"RIPE NCC","report_date":"2026-01-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"91.221.172.0/23","start":"91.221.172.0","end":"91.221.173.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Zaklad Instalacji Anten Jacek Krasnodebski","recipient_organization":"Lukasz Rafal Hamerski trading as Maxnet","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.1.0","classified_at":"2026-10-10T17:50:51+00:00","page":"https://rirtracker.com/ip/91.221.172.0-91.221.173.255/#e-4af2f31a417a572e","report_page":"https://rirtracker.com/ripe/reports/2026-01-08/","evidence_url":"https://rirtracker.com/api/v1/events/4af2f31a417a572e.json","observed":"Transfer: Zaklad Instalacji Anten Jacek Krasnodebski (RIPE NCC) to Lukasz Rafal Hamerski trading as Maxnet (RIPE NCC)","explanation":"RIPE NCC's transfer log records a transfer from Zaklad Instalacji Anten Jacek Krasnodebski (RIPE NCC) to Lukasz Rafal Hamerski trading as Maxnet (RIPE NCC) on 2026-01-08 19:00 UTC. The registration changed hands; it is not a new allocation from RIPE NCC.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-10T17:24:28+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-01-08 19:00 UTC, Zaklad Instalacji Anten Jacek Krasnodebski (RIPE NCC) to Lukasz Rafal Hamerski trading as Maxnet (RIPE NCC); resources moved: 91.221.172.0/23"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2026/delegated-ripencc-extended-20260107.bz2","retrieved_at":"2026-10-10T17:24:53+00:00","summary":"RIPE NCC delegated statistics 2026-01-07 (produced 2026-01-07T22:59:59+00:00), before the change: assigned (dated 2010-12-09)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2026/delegated-ripencc-extended-20260108.bz2","retrieved_at":"2026-10-10T17:24:56+00:00","summary":"RIPE NCC delegated statistics 2026-01-08 (produced 2026-01-08T22:59:59+00:00), after the change: assigned (dated 2010-12-09)"}]}],"classification_history":{"4af2f31a417a572e":[{"raw_change_id":8041,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.1.0","classified_at":"2026-10-10T17:50:51+00:00","current":1,"public_explanation":"RIPE NCC's transfer log records a transfer from Zaklad Instalacji Anten Jacek Krasnodebski (RIPE NCC) to Lukasz Rafal Hamerski trading as Maxnet (RIPE NCC) on 2026-01-08 19:00 UTC. The registration changed hands; it is not a new allocation from RIPE NCC."}]},"arin_statistics_now":{"file_date":"2026-10-10","status":"not listed"}}