{"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":"209.162.203.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/209.162.203.0-209.162.203.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1997-11-17)"},"current_holder":{"rir":"RIPE NCC","org":"ALFA-SYSTEM M. Piwowarski, A. Widera s.j.","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":116014,"date":"2025-10-30T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.","range":"209.162.203.0/24","log":"RIPE NCC"},{"id":41887,"date":"2025-10-30T13:38:39Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Digital Fortress","recipient_org":"ALFA-SYSTEM M. Piwowarski, A. Widera s.j.","range":"209.162.203.0/24","log":"ARIN"},{"id":25068,"date":"2021-07-09T16:51:19Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Atmosera, Inc.","recipient_org":"Digital Fortress","range":"209.162.200.0/21","log":"ARIN"}],"events":[{"event_id":"b20cfd0c0e0a2fa3","registry":"ARIN","report_date":"2025-10-30","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"209.162.203.0/24","start":"209.162.203.0","end":"209.162.203.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Digital Fortress","recipient_organization":"ALFA-SYSTEM M. Piwowarski, A. Widera s.j.","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:24+00:00","page":"https://rirtracker.com/ip/209.162.203.0-209.162.203.255/#e-b20cfd0c0e0a2fa3","report_page":"https://rirtracker.com/arin/reports/2025-10-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/209.162.203.0-209.162.203.255.json","observed":"Transfer: Digital Fortress (ARIN) to ALFA-SYSTEM M. Piwowarski, A. Widera s.j. (RIPE NCC)","piece_of":{"resource":"209.162.192.0/19","page":"https://rirtracker.com/ip/209.162.192.0-209.162.223.255/"},"same_transfer_as":"469ed02ee810ce46","explanation":"ARIN's transfer log records a transfer from Digital Fortress (ARIN) to ALFA-SYSTEM M. Piwowarski, A. Widera s.j. (RIPE NCC) on 2025-10-30 13:38 UTC: it left ARIN for the RIPE NCC. It is not a new allocation and is not offered to ARIN applicants.","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: RESOURCE_TRANSFER on 2025-10-30 13:38 UTC, Digital Fortress (ARIN) to ALFA-SYSTEM M. Piwowarski, A. Widera s.j. (RIPE NCC); resources moved: 209.162.203.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251029.gz","retrieved_at":"2026-10-13T00:09:16+00:00","summary":"ARIN delegated statistics 2025-10-29 (produced 2025-10-29T13:00:48+00:00), before the report: allocated (dated 1997-11-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251031.gz","retrieved_at":"2026-10-13T00:09:35+00:00","summary":"ARIN delegated statistics 2025-10-31 (produced 2025-10-31T13:00:48+00:00), after the report: not listed"}]},{"event_id":"469ed02ee810ce46","registry":"RIPE NCC","report_date":"2025-10-30","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"209.162.203.0/24","start":"209.162.203.0","end":"209.162.203.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:37+00:00","page":"https://rirtracker.com/ip/209.162.203.0-209.162.203.255/#e-469ed02ee810ce46","report_page":"https://rirtracker.com/ripe/reports/2025-10-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/209.162.203.0-209.162.203.255.json","observed":"Transfer: (no name) (ARIN) to Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j. (RIPE NCC)","same_transfer_as":"b20cfd0c0e0a2fa3","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j. (RIPE NCC) on 2025-10-30 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","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 2025-10-30 19:00 UTC, (no name) (ARIN) to Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j. (RIPE NCC); resources moved: 209.162.203.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20251029.bz2","retrieved_at":"2026-10-13T01:12:26+00:00","summary":"RIPE NCC delegated statistics 2025-10-29 (produced 2025-10-29T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20251030.bz2","retrieved_at":"2026-10-13T01:12:29+00:00","summary":"RIPE NCC delegated statistics 2025-10-30 (produced 2025-10-30T22:59:59+00:00), after the change: allocated (dated 1997-11-17)"}]}],"classification_history":{"b20cfd0c0e0a2fa3":[{"raw_change_id":574718,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:24+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Digital Fortress (ARIN) to ALFA-SYSTEM M. Piwowarski, A. Widera s.j. 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