{"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":"217.143.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/217.143.0.0-217.143.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-04-20)"},"current_holder":{"rir":"ARIN","org":"TDS TELECOM","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":86656,"date":"2022-04-20T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Primlight AB","recipient_org":null,"range":"217.143.0.0/16","log":"RIPE NCC"},{"id":27846,"date":"2022-04-20T12:07:03Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Primlight AB","recipient_org":"TDS TELECOM","range":"217.143.0.0/16","log":"ARIN"},{"id":69400,"date":"2020-03-26T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Borderlight AB","recipient_org":"Primlight AB","range":"217.142.0.0/15","log":"RIPE NCC"}],"events":[{"event_id":"d95a7ee12e230b42","registry":"ARIN","report_date":"2022-04-20","source":"arin_issued","raw_action":"ADD","raw_line":"Add 217.143.0.0-217.143.255.255","resource_type":"ipv4","resource":"217.143.0.0/16","start":"217.143.0.0","end":"217.143.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"Primlight AB","recipient_organization":"TDS TELECOM","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:22+00:00","page":"https://rirtracker.com/ip/217.143.0.0-217.143.255.255/#e-d95a7ee12e230b42","report_page":"https://rirtracker.com/arin/reports/2022-04-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/217.143.0.0-217.143.255.255.json","same_transfer_as":"c3587d71580ce691","explanation":"ARIN's transfer log records a transfer from Primlight AB (RIPE NCC) to TDS TELECOM (ARIN) on 2022-04-20 12:07 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-April/004877.html","retrieved_at":"2026-10-12T18:41:43+00:00","summary":"ARIN-Issued report for 2022-04-20: \"Add 217.143.0.0-217.143.255.255\""},{"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 2022-04-20 12:07 UTC, Primlight AB (RIPE NCC) to TDS TELECOM (ARIN); resources moved: 217.143.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220419.gz","retrieved_at":"2026-10-12T23:00:04+00:00","summary":"ARIN delegated statistics 2022-04-19 (produced 2022-04-19T13:00:11+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220421.gz","retrieved_at":"2026-10-12T23:00:09+00:00","summary":"ARIN delegated statistics 2022-04-21 (produced 2022-04-21T13:00:10+00:00), after the report: allocated (dated 2022-04-20)"}]},{"event_id":"c3587d71580ce691","registry":"RIPE NCC","report_date":"2022-04-20","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"217.143.0.0/16","start":"217.143.0.0","end":"217.143.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of the RIPE NCC","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"Primlight AB","recipient_organization":null,"inventory_effect":"Transferred out of RIPE NCC administration; not offered to RIPE NCC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:03+00:00","page":"https://rirtracker.com/ip/217.143.0.0-217.143.255.255/#e-c3587d71580ce691","report_page":"https://rirtracker.com/ripe/reports/2022-04-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/217.143.0.0-217.143.255.255.json","observed":"Transfer: Primlight AB (RIPE NCC) to (no name) (ARIN)","piece_of":{"resource":"217.142.0.0/15","page":"https://rirtracker.com/ip/217.142.0.0-217.143.255.255/"},"same_transfer_as":"d95a7ee12e230b42","explanation":"The RIPE NCC's transfer log records a transfer from Primlight AB (RIPE NCC) to an unnamed organization (ARIN) on 2022-04-20 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants.","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 2022-04-20 19:00 UTC, Primlight AB (RIPE NCC) to (no name) (ARIN); resources moved: 217.143.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2022/delegated-ripencc-extended-20220419.bz2","retrieved_at":"2026-10-12T23:33:12+00:00","summary":"RIPE NCC delegated statistics 2022-04-19 (produced 2022-04-19T21:59:00+00:00), before the change: allocated (dated 2001-01-31)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2022/delegated-ripencc-extended-20220420.bz2","retrieved_at":"2026-10-12T23:33:15+00:00","summary":"RIPE NCC delegated statistics 2022-04-20 (produced 2022-04-20T21:59:00+00:00), after the change: not listed"}]}],"classification_history":{"d95a7ee12e230b42":[{"raw_change_id":176149,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:55:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Primlight AB (RIPE NCC) to TDS TELECOM (ARIN) on 2022-04-20 12:07 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":176149,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:12+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Primlight AB (RIPE NCC) to TDS TELECOM (ARIN) on 2022-04-20 12:07 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":176149,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:00+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Primlight AB (RIPE NCC) to TDS TELECOM (ARIN) on 2022-04-20 12:07 UTC: it came to ARIN from the RIPE NCC. 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It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":86914,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:03+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Primlight AB (RIPE NCC) to an unnamed organization (ARIN) on 2022-04-20 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."}]},"arin_statistics_now":{"status":"allocated (dated 2022-04-20)"}}