{"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":"193.104.81.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/193.104.81.0-193.104.81.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 2009-10-27)"},"current_holder":{"rir":"RIPE NCC","org":"ISUMO Ltd","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":73668,"date":"2020-11-17T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"NTT United Kingdom Visual Communications LTD","recipient_org":"ISUMO Ltd","range":"193.104.81.0/24","log":"RIPE NCC"}],"events":[{"event_id":"6e030beb855cdccb","registry":"RIPE NCC","report_date":"2020-11-17","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"193.104.81.0/24","start":"193.104.81.0","end":"193.104.81.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"NTT United Kingdom Visual Communications LTD","recipient_organization":"ISUMO Ltd","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:23+00:00","page":"https://rirtracker.com/ip/193.104.81.0-193.104.81.255/#e-6e030beb855cdccb","report_page":"https://rirtracker.com/ripe/reports/2020-11-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/193.104.81.0-193.104.81.255.json","observed":"Transfer: NTT United Kingdom Visual Communications LTD (RIPE NCC) to ISUMO Ltd (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a transfer from NTT United Kingdom Visual Communications LTD (RIPE NCC) to ISUMO Ltd (RIPE NCC) on 2020-11-17 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 2020-11-17 19:00 UTC, NTT United Kingdom Visual Communications LTD (RIPE NCC) to ISUMO Ltd (RIPE NCC); resources moved: 193.104.81.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20201116.bz2","retrieved_at":"2026-10-12T22:54:38+00:00","summary":"RIPE NCC delegated statistics 2020-11-16 (produced 2020-11-16T22:59:59+00:00), before the change: assigned (dated 2009-10-27)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20201117.bz2","retrieved_at":"2026-10-12T22:54:41+00:00","summary":"RIPE NCC delegated statistics 2020-11-17 (produced 2020-11-17T22:59:59+00:00), after the change: assigned (dated 2009-10-27)"}]}],"classification_history":{"6e030beb855cdccb":[{"raw_change_id":73549,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:51:46+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from NTT United Kingdom Visual Communications LTD (RIPE NCC) to ISUMO Ltd (RIPE NCC) on 2020-11-17 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":73549,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:21+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from NTT United Kingdom Visual Communications LTD (RIPE NCC) to ISUMO Ltd (RIPE NCC) on 2020-11-17 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":73549,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:41+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from NTT United Kingdom Visual Communications LTD (RIPE NCC) to ISUMO Ltd (RIPE NCC) on 2020-11-17 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":73549,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:23+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from NTT United Kingdom Visual Communications LTD (RIPE NCC) to ISUMO Ltd (RIPE NCC) on 2020-11-17 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}