{"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":"91.226.196.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/91.226.196.0-91.226.197.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 2011-04-27)"},"current_holder":{"rir":"RIPE NCC","org":"Mariusz Chmielewski trading as Netfala","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":77064,"date":"2021-03-26T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"NET-TECH Michal Chrostek","recipient_org":"Mariusz Chmielewski trading as Netfala","range":"91.226.196.0/23","log":"RIPE NCC"},{"id":50137,"date":"2016-02-23T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"\"Przedsiebiorstwo Wielobranzowe \"Dormar\" Jerzy Wasik\"","recipient_org":"NET-TECH Michal Chrostek","range":"91.226.196.0/22","log":"RIPE NCC"}],"events":[{"event_id":"f0be63574dfcee0f","registry":"RIPE NCC","report_date":"2021-03-26","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"91.226.196.0/23","start":"91.226.196.0","end":"91.226.197.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"NET-TECH Michal Chrostek","recipient_organization":"Mariusz Chmielewski trading as Netfala","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:33+00:00","page":"https://rirtracker.com/ip/91.226.196.0-91.226.197.255/#e-f0be63574dfcee0f","report_page":"https://rirtracker.com/ripe/reports/2021-03-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/91.226.196.0-91.226.197.255.json","observed":"Transfer: NET-TECH Michal Chrostek (RIPE NCC) to Mariusz Chmielewski trading as Netfala (RIPE NCC)","piece_of":{"resource":"91.226.196.0/22","page":"https://rirtracker.com/ip/91.226.196.0-91.226.199.255/"},"explanation":"The RIPE NCC's transfer log records a transfer from NET-TECH Michal Chrostek (RIPE NCC) to Mariusz Chmielewski trading as Netfala (RIPE NCC) on 2021-03-26 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2021-03-26 19:00 UTC, NET-TECH Michal Chrostek (RIPE NCC) to Mariusz Chmielewski trading as Netfala (RIPE NCC); resources moved: 91.226.196.0/23"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210325.bz2","retrieved_at":"2026-10-12T23:03:58+00:00","summary":"RIPE NCC delegated statistics 2021-03-25 (produced 2021-03-25T22:59:00+00:00), before the change: assigned (dated 2011-04-27)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210326.bz2","retrieved_at":"2026-10-12T23:04:02+00:00","summary":"RIPE NCC delegated statistics 2021-03-26 (produced 2021-03-26T22:59:00+00:00), after the change: assigned (dated 2011-04-27)"}]}],"classification_history":{"f0be63574dfcee0f":[{"raw_change_id":77179,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:53:17+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from NET-TECH Michal Chrostek (RIPE NCC) to Mariusz Chmielewski trading as Netfala (RIPE NCC) on 2021-03-26 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":77179,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:29+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from NET-TECH Michal Chrostek (RIPE NCC) to Mariusz Chmielewski trading as Netfala (RIPE NCC) on 2021-03-26 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":77179,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:50+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from NET-TECH Michal Chrostek (RIPE NCC) to Mariusz Chmielewski trading as Netfala (RIPE NCC) on 2021-03-26 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":77179,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:33+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from NET-TECH Michal Chrostek (RIPE NCC) to Mariusz Chmielewski trading as Netfala (RIPE NCC) on 2021-03-26 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}