{"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":"83.151.208.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/83.151.208.0-83.151.223.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-06-18)"},"current_holder":{"rir":"ARIN","org":"Oracle Corporation","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":106249,"date":"2024-06-18T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Ukcloud Ltd.","recipient_org":null,"range":"83.151.208.0/20","log":"RIPE NCC"},{"id":35909,"date":"2024-06-18T13:55:37Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Ukcloud Ltd.","recipient_org":"Oracle Corporation","range":"83.151.208.0/20","log":"ARIN"},{"id":46251,"date":"2014-05-15T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Mailbox Internet Ltd","recipient_org":"Skyscape Cloud Services Ltd","range":"83.151.208.0/20","log":"RIPE NCC"}],"events":[{"event_id":"15d393209355e3aa","registry":"ARIN","report_date":"2024-06-18","source":"arin_issued","raw_action":"ADD","raw_line":"Add 83.151.208.0-83.151.223.255","resource_type":"ipv4","resource":"83.151.208.0/20","start":"83.151.208.0","end":"83.151.223.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"Ukcloud Ltd.","recipient_organization":"Oracle Corporation","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:06+00:00","page":"https://rirtracker.com/ip/83.151.208.0-83.151.223.255/#e-15d393209355e3aa","report_page":"https://rirtracker.com/arin/reports/2024-06-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/83.151.208.0-83.151.223.255.json","same_transfer_as":"4508b562b08148e7","explanation":"ARIN's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to Oracle Corporation (ARIN) on 2024-06-18 13:55 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/2024-June/005667.html","retrieved_at":"2026-10-12T18:42:38+00:00","summary":"ARIN-Issued report for 2024-06-18: \"Add 83.151.208.0-83.151.223.255\""},{"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 2024-06-18 13:55 UTC, Ukcloud Ltd. (RIPE NCC) to Oracle Corporation (ARIN); resources moved: 83.151.208.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240617.gz","retrieved_at":"2026-10-12T23:41:52+00:00","summary":"ARIN delegated statistics 2024-06-17 (produced 2024-06-17T13:00:45+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240619.gz","retrieved_at":"2026-10-12T23:41:57+00:00","summary":"ARIN delegated statistics 2024-06-19 (produced 2024-06-19T13:00:44+00:00), after the report: allocated (dated 2024-06-18)"}]},{"event_id":"4508b562b08148e7","registry":"RIPE NCC","report_date":"2024-06-18","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"83.151.208.0/20","start":"83.151.208.0","end":"83.151.223.255","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":"Ukcloud Ltd.","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":"2026-10-13T23:50:05+00:00","page":"https://rirtracker.com/ip/83.151.208.0-83.151.223.255/#e-4508b562b08148e7","report_page":"https://rirtracker.com/ripe/reports/2024-06-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/83.151.208.0-83.151.223.255.json","observed":"Transfer: Ukcloud Ltd. (RIPE NCC) to (no name) (ARIN)","same_transfer_as":"15d393209355e3aa","explanation":"The RIPE NCC's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to an unnamed organization (ARIN) on 2024-06-18 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 2024-06-18 19:00 UTC, Ukcloud Ltd. (RIPE NCC) to (no name) (ARIN); resources moved: 83.151.208.0/20"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240617.bz2","retrieved_at":"2026-10-13T00:32:48+00:00","summary":"RIPE NCC delegated statistics 2024-06-17 (produced 2024-06-17T21:59:59+00:00), before the change: allocated (dated 2004-03-30)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240618.bz2","retrieved_at":"2026-10-13T00:33:13+00:00","summary":"RIPE NCC delegated statistics 2024-06-18 (produced 2024-06-18T21:59:59+00:00), after the change: not listed"}]},{"event_id":"cb5ee435112b330a","registry":"RIPE NCC","report_date":"2014-05-15","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"83.151.208.0/20","start":"83.151.208.0","end":"83.151.223.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Mailbox Internet Ltd","recipient_organization":"Skyscape Cloud Services Ltd","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:59+00:00","page":"https://rirtracker.com/ip/83.151.208.0-83.151.223.255/#e-cb5ee435112b330a","report_page":"https://rirtracker.com/ripe/reports/2014-05-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/83.151.208.0-83.151.223.255.json","observed":"Transfer: Mailbox Internet Ltd (RIPE NCC) to Skyscape Cloud Services Ltd (RIPE NCC)","piece_of":{"resource":"83.151.192.0/18","page":"https://rirtracker.com/ip/83.151.192.0-83.151.255.255/"},"explanation":"The RIPE NCC's transfer log records a transfer from Mailbox Internet Ltd (RIPE NCC) to Skyscape Cloud Services Ltd (RIPE NCC) on 2014-05-15 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 2014-05-15 19:00 UTC, Mailbox Internet Ltd (RIPE NCC) to Skyscape Cloud Services Ltd (RIPE NCC); resources moved: 83.151.208.0/20"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2014/delegated-ripencc-extended-20140514.bz2","retrieved_at":"2026-10-12T20:00:17+00:00","summary":"RIPE NCC delegated statistics 2014-05-14 (produced 2014-05-14T21:59:59+00:00), before the change: allocated (dated 2004-03-30)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2014/delegated-ripencc-extended-20140515.bz2","retrieved_at":"2026-10-12T20:00:20+00:00","summary":"RIPE NCC delegated statistics 2014-05-15 (produced 2014-05-15T21:59:59+00:00), after the change: allocated (dated 2004-03-30)"}]}],"classification_history":{"15d393209355e3aa":[{"raw_change_id":187761,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:02:29+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to Oracle Corporation (ARIN) on 2024-06-18 13:55 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":187761,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:44+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to Oracle Corporation (ARIN) on 2024-06-18 13:55 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":187761,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:36+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to Oracle Corporation (ARIN) on 2024-06-18 13:55 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":187761,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:06+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to Oracle Corporation (ARIN) on 2024-06-18 13:55 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."}],"4508b562b08148e7":[{"raw_change_id":106842,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:05:39+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to an unnamed organization (ARIN) on 2024-06-18 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":106842,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:42+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to an unnamed organization (ARIN) on 2024-06-18 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":106842,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:12+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to an unnamed organization (ARIN) on 2024-06-18 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":106842,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:05+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Ukcloud Ltd. (RIPE NCC) to an unnamed organization (ARIN) on 2024-06-18 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."}],"cb5ee435112b330a":[{"raw_change_id":45031,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:39:49+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Mailbox Internet Ltd (RIPE NCC) to Skyscape Cloud Services Ltd (RIPE NCC) on 2014-05-15 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":45031,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:11+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Mailbox Internet Ltd (RIPE NCC) to Skyscape Cloud Services Ltd (RIPE NCC) on 2014-05-15 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":45031,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:23+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Mailbox Internet Ltd (RIPE NCC) to Skyscape Cloud Services Ltd (RIPE NCC) on 2014-05-15 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":45031,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:59+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Mailbox Internet Ltd (RIPE NCC) to Skyscape Cloud Services Ltd (RIPE NCC) on 2014-05-15 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}]},"arin_statistics_now":{"status":"allocated (dated 2024-06-18)"}}