{"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":"170.133.0.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/170.133.0.0-170.133.63.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1994-05-09)"},"current_holder":{"rir":"RIPE NCC","org":"Vereinigte Stadtwerke Media GmbH","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":63173,"date":"2019-03-18T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Vereinigte Stadtwerke Media GmbH","range":"170.133.0.0/18","log":"RIPE NCC"},{"id":17134,"date":"2019-03-18T15:15:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Weatherford International, LLC","recipient_org":"Vereinigte Stadtwerke Media GmbH","range":"170.133.0.0/18","log":"ARIN"}],"events":[{"event_id":"aebc1e5798477472","registry":"ARIN","report_date":"2019-03-18","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"170.133.0.0/18","start":"170.133.0.0","end":"170.133.63.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Weatherford International, LLC","recipient_organization":"Vereinigte Stadtwerke Media GmbH","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":"2026-10-14T00:18:43+00:00","page":"https://rirtracker.com/ip/170.133.0.0-170.133.63.255/#e-aebc1e5798477472","report_page":"https://rirtracker.com/arin/reports/2019-03-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.133.0.0-170.133.63.255.json","observed":"Transfer: Weatherford International, LLC (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC)","piece_of":{"resource":"170.133.0.0/16","page":"https://rirtracker.com/ip/170.133.0.0-170.133.255.255/"},"same_transfer_as":"7cedccd536fb3dd6","explanation":"ARIN's transfer log records a transfer from Weatherford International, LLC (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC) on 2019-03-18 15:15 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 2019-03-18 15:15 UTC, Weatherford International, LLC (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC); resources moved: 170.133.0.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190317.gz","retrieved_at":"2026-10-12T22:02:01+00:00","summary":"ARIN delegated statistics 2019-03-17 (produced 2019-03-17T05:00:16+00:00), before the report: assigned (dated 1994-05-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190319.gz","retrieved_at":"2026-10-12T22:02:06+00:00","summary":"ARIN delegated statistics 2019-03-19 (produced 2019-03-19T05:00:16+00:00), after the report: not listed"}]},{"event_id":"7cedccd536fb3dd6","registry":"RIPE NCC","report_date":"2019-03-18","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"170.133.0.0/18","start":"170.133.0.0","end":"170.133.63.255","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":"Vereinigte Stadtwerke Media GmbH","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":"2026-10-13T23:47:50+00:00","page":"https://rirtracker.com/ip/170.133.0.0-170.133.63.255/#e-7cedccd536fb3dd6","report_page":"https://rirtracker.com/ripe/reports/2019-03-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.133.0.0-170.133.63.255.json","observed":"Transfer: (no name) (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC)","same_transfer_as":"aebc1e5798477472","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC) on 2019-03-18 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 2019-03-18 19:00 UTC, (no name) (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC); resources moved: 170.133.0.0/18"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190317.bz2","retrieved_at":"2026-10-12T22:06:13+00:00","summary":"RIPE NCC delegated statistics 2019-03-17 (produced 2019-03-17T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190318.bz2","retrieved_at":"2026-10-12T22:06:16+00:00","summary":"RIPE NCC delegated statistics 2019-03-18 (produced 2019-03-18T22:59:59+00:00), after the change: allocated (dated 1994-05-09)"}]}],"classification_history":{"aebc1e5798477472":[{"raw_change_id":558020,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Weatherford International, LLC (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC) on 2019-03-18 15:15 UTC: it left ARIN for the RIPE NCC. It is not a new allocation and is not offered to ARIN applicants."}],"7cedccd536fb3dd6":[{"raw_change_id":62699,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:47:02+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC) on 2019-03-18 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."},{"raw_change_id":62699,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:53+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Vereinigte Stadtwerke Media GmbH (RIPE NCC) on 2019-03-18 19:00 UTC: it came to the RIPE NCC from ARIN. 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It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"not listed"}}