{"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":"194.88.28.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/194.88.28.0-194.88.29.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 1996-09-13)"},"current_holder":{"rir":"RIPE NCC","org":"KaVo Dental GmbH","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":71989,"date":"2020-09-03T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Kaltenbach & Voigt GmbH","recipient_org":"KaVo Dental GmbH","range":"194.88.28.0/23","log":"RIPE NCC"},{"id":56910,"date":"2018-02-28T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Nobel Biocare Services AG","recipient_org":"Kaltenbach & Voigt GmbH","range":"194.88.28.0/23","log":"RIPE NCC"}],"events":[{"event_id":"31574a694b826906","registry":"RIPE NCC","report_date":"2020-09-03","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"194.88.28.0/23","start":"194.88.28.0","end":"194.88.29.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Kaltenbach & Voigt GmbH","recipient_organization":"KaVo Dental GmbH","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:17+00:00","page":"https://rirtracker.com/ip/194.88.28.0-194.88.29.255/#e-31574a694b826906","report_page":"https://rirtracker.com/ripe/reports/2020-09-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/194.88.28.0-194.88.29.255.json","observed":"Transfer: Kaltenbach & Voigt GmbH (RIPE NCC) to KaVo Dental GmbH (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a transfer from Kaltenbach & Voigt GmbH (RIPE NCC) to KaVo Dental GmbH (RIPE NCC) on 2020-09-03 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 2020-09-03 19:00 UTC, Kaltenbach & Voigt GmbH (RIPE NCC) to KaVo Dental GmbH (RIPE NCC); resources moved: 194.88.28.0/23"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20200902.bz2","retrieved_at":"2026-10-12T22:47:22+00:00","summary":"RIPE NCC delegated statistics 2020-09-02 (produced 2020-09-02T21:59:59+00:00), before the change: assigned (dated 1996-09-13)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20200903.bz2","retrieved_at":"2026-10-12T22:47:30+00:00","summary":"RIPE NCC delegated statistics 2020-09-03 (produced 2020-09-03T21:59:59+00:00), after the change: assigned (dated 1996-09-13)"}]},{"event_id":"0390f74a8bd917f6","registry":"RIPE NCC","report_date":"2018-02-28","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"194.88.28.0/23","start":"194.88.28.0","end":"194.88.29.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Nobel Biocare Services AG","recipient_organization":"Kaltenbach & Voigt GmbH","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:29+00:00","page":"https://rirtracker.com/ip/194.88.28.0-194.88.29.255/#e-0390f74a8bd917f6","report_page":"https://rirtracker.com/ripe/reports/2018-02-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/194.88.28.0-194.88.29.255.json","observed":"Transfer: Nobel Biocare Services AG (RIPE NCC) to Kaltenbach & Voigt GmbH (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a transfer from Nobel Biocare Services AG (RIPE NCC) to Kaltenbach & Voigt GmbH (RIPE NCC) on 2018-02-28 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 2018-02-28 19:00 UTC, Nobel Biocare Services AG (RIPE NCC) to Kaltenbach & Voigt GmbH (RIPE NCC); resources moved: 194.88.28.0/23"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20180227.bz2","retrieved_at":"2026-10-12T21:39:33+00:00","summary":"RIPE NCC delegated statistics 2018-02-27 (produced 2018-02-27T22:59:59+00:00), before the change: assigned (dated 1996-09-13)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20180228.bz2","retrieved_at":"2026-10-12T21:39:36+00:00","summary":"RIPE NCC delegated statistics 2018-02-28 (produced 2018-02-28T22:59:59+00:00), after the change: assigned (dated 1996-09-13)"}]}],"classification_history":{"31574a694b826906":[{"raw_change_id":71811,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:51:01+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Kaltenbach & Voigt GmbH (RIPE NCC) to KaVo Dental GmbH (RIPE NCC) on 2020-09-03 19:00 UTC. 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