{"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":"152.228.128.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/152.228.128.0-152.228.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1991-09-30)"},"current_holder":{"rir":"RIPE NCC","org":"OVH SAS","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":75654,"date":"2021-01-06T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"OVH SAS","range":"152.228.128.0/17","log":"RIPE NCC"},{"id":22461,"date":"2021-01-06T15:04:54Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Valparaiso University","recipient_org":"OVH SAS","range":"152.228.128.0/17","log":"ARIN"}],"events":[{"event_id":"39649c5698ce605d","registry":"ARIN","report_date":"2021-01-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"152.228.128.0/17","start":"152.228.128.0","end":"152.228.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Valparaiso University","recipient_organization":"OVH SAS","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":"2026-10-14T00:18:52+00:00","page":"https://rirtracker.com/ip/152.228.128.0-152.228.255.255/#e-39649c5698ce605d","report_page":"https://rirtracker.com/arin/reports/2021-01-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/152.228.128.0-152.228.255.255.json","observed":"Transfer: Valparaiso University (ARIN) to OVH SAS (RIPE NCC)","piece_of":{"resource":"152.228.0.0/16","page":"https://rirtracker.com/ip/152.228.0.0-152.228.255.255/"},"same_transfer_as":"14230fe9d349efbc","explanation":"ARIN's transfer log records a transfer from Valparaiso University (ARIN) to OVH SAS (RIPE NCC) on 2021-01-06 15:04 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 2021-01-06 15:04 UTC, Valparaiso University (ARIN) to OVH SAS (RIPE NCC); resources moved: 152.228.128.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210105.gz","retrieved_at":"2026-10-12T22:36:11+00:00","summary":"ARIN delegated statistics 2021-01-05 (produced 2021-01-05T15:00:13+00:00), before the report: assigned (dated 1991-09-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210107.gz","retrieved_at":"2026-10-12T22:36:16+00:00","summary":"ARIN delegated statistics 2021-01-07 (produced 2021-01-07T15:00:13+00:00), after the report: not listed"}]},{"event_id":"14230fe9d349efbc","registry":"RIPE NCC","report_date":"2021-01-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"152.228.128.0/17","start":"152.228.128.0","end":"152.228.255.255","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":"OVH SAS","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":"2026-10-13T23:48:29+00:00","page":"https://rirtracker.com/ip/152.228.128.0-152.228.255.255/#e-14230fe9d349efbc","report_page":"https://rirtracker.com/ripe/reports/2021-01-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/152.228.128.0-152.228.255.255.json","observed":"Transfer: (no name) (ARIN) to OVH SAS (RIPE NCC)","same_transfer_as":"39649c5698ce605d","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to OVH SAS (RIPE NCC) on 2021-01-06 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 2021-01-06 19:00 UTC, (no name) (ARIN) to OVH SAS (RIPE NCC); resources moved: 152.228.128.0/17"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210105.bz2","retrieved_at":"2026-10-12T22:58:25+00:00","summary":"RIPE NCC delegated statistics 2021-01-05 (produced 2021-01-05T22:59:00+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210106.bz2","retrieved_at":"2026-10-12T22:58:28+00:00","summary":"RIPE NCC delegated statistics 2021-01-06 (produced 2021-01-06T22:59:00+00:00), after the change: allocated (dated 1991-09-30)"}]}],"classification_history":{"39649c5698ce605d":[{"raw_change_id":561587,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:52+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Valparaiso University (ARIN) to OVH SAS (RIPE NCC) on 2021-01-06 15:04 UTC: it left ARIN for the RIPE NCC. 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