{"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":"5.183.173.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/5.183.173.0-5.183.173.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2019-04-11)"},"current_holder":{"rir":"RIPE NCC","org":"Nessus GmbH","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":78023,"date":"2021-05-05T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Koschier IT-Outsourcing GmbH","recipient_org":"Nessus GmbH","range":"5.183.173.0/24","log":"RIPE NCC"}],"events":[{"event_id":"1d7ef8685c2afcdd","registry":"RIPE NCC","report_date":"2021-05-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"5.183.173.0/24","start":"5.183.173.0","end":"5.183.173.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Koschier IT-Outsourcing GmbH","recipient_organization":"Nessus GmbH","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:36+00:00","page":"https://rirtracker.com/ip/5.183.173.0-5.183.173.255/#e-1d7ef8685c2afcdd","report_page":"https://rirtracker.com/ripe/reports/2021-05-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/5.183.173.0-5.183.173.255.json","observed":"Transfer: Koschier IT-Outsourcing GmbH (RIPE NCC) to Nessus GmbH (RIPE NCC)","piece_of":{"resource":"5.183.172.0/22","page":"https://rirtracker.com/ip/5.183.172.0-5.183.175.255/"},"explanation":"The RIPE NCC's transfer log records a transfer from Koschier IT-Outsourcing GmbH (RIPE NCC) to Nessus GmbH (RIPE NCC) on 2021-05-05 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 2021-05-05 19:00 UTC, Koschier IT-Outsourcing GmbH (RIPE NCC) to Nessus GmbH (RIPE NCC); resources moved: 5.183.173.0/24, 5.183.174.0/23"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210504.bz2","retrieved_at":"2026-10-12T23:06:57+00:00","summary":"RIPE NCC delegated statistics 2021-05-04 (produced 2021-05-04T21:59:00+00:00), before the change: allocated (dated 2019-04-11)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210505.bz2","retrieved_at":"2026-10-12T23:07:00+00:00","summary":"RIPE NCC delegated statistics 2021-05-05 (produced 2021-05-05T21:59:00+00:00), after the change: allocated (dated 2019-04-11)"}]}],"classification_history":{"1d7ef8685c2afcdd":[{"raw_change_id":78156,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:53:40+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Koschier IT-Outsourcing GmbH (RIPE NCC) to Nessus GmbH (RIPE NCC) on 2021-05-05 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":78156,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:32+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Koschier IT-Outsourcing GmbH (RIPE NCC) to Nessus GmbH (RIPE NCC) on 2021-05-05 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":78156,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:53+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Koschier IT-Outsourcing GmbH (RIPE NCC) to Nessus GmbH (RIPE NCC) on 2021-05-05 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":78156,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:36+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Koschier IT-Outsourcing GmbH (RIPE NCC) to Nessus GmbH (RIPE NCC) on 2021-05-05 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}