{"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":"23.19.56.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/23.19.56.0-23.19.63.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2011-04-25)"},"current_holder":{"rir":"RIPE NCC","org":"Leaseweb UK Limited","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":62017,"date":"2019-01-03T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"LEASEWEB UK LIMITED","range":"23.19.56.0/21","log":"RIPE NCC"},{"id":16716,"date":"2019-01-03T15:12:37Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb UK Limited","range":"23.19.56.0/21","log":"ARIN"}],"events":[{"event_id":"453963644acf7f4a","registry":"ARIN","report_date":"2019-01-03","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"23.19.56.0/21","start":"23.19.56.0","end":"23.19.63.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Nobis Technology Group, LLC","recipient_organization":"Leaseweb UK Limited","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":"2026-10-14T00:05:09+00:00","page":"https://rirtracker.com/ip/23.19.56.0-23.19.63.255/#e-453963644acf7f4a","report_page":"https://rirtracker.com/arin/reports/2019-01-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/23.19.56.0-23.19.63.255.json","observed":"23.19.56.0/21 allocated on 2019-01-03, not listed on 2019-01-04","same_transfer_as":"c09e1a444667a183","explanation":"ARIN's transfer log records a transfer from Nobis Technology Group, LLC (ARIN) to Leaseweb UK Limited (RIPE NCC) on 2019-01-03 15:12 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190104.gz","retrieved_at":"2026-10-12T21:58:17+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 23.19.56.0/21 allocated on 2019-01-03, not listed on 2019-01-04"},{"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 2019-01-03 15:12 UTC, Nobis Technology Group, LLC (ARIN) to Leaseweb UK Limited (RIPE NCC); resources moved: 23.19.56.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190102.gz","retrieved_at":"2026-10-12T21:58:06+00:00","summary":"ARIN delegated statistics 2019-01-02 (produced 2019-01-02T06:00:11+00:00), before the report: allocated (dated 2011-04-25)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190104.gz","retrieved_at":"2026-10-12T21:58:17+00:00","summary":"ARIN delegated statistics 2019-01-04 (produced 2019-01-04T06:00:12+00:00), after the report: not listed"}]},{"event_id":"c09e1a444667a183","registry":"RIPE NCC","report_date":"2019-01-03","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"23.19.56.0/21","start":"23.19.56.0","end":"23.19.63.255","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":"LEASEWEB UK LIMITED","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":"2026-10-13T23:47:46+00:00","page":"https://rirtracker.com/ip/23.19.56.0-23.19.63.255/#e-c09e1a444667a183","report_page":"https://rirtracker.com/ripe/reports/2019-01-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/23.19.56.0-23.19.63.255.json","observed":"Transfer: (no name) (ARIN) to LEASEWEB UK LIMITED (RIPE NCC)","same_transfer_as":"453963644acf7f4a","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to LEASEWEB UK LIMITED (RIPE NCC) on 2019-01-03 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 2019-01-03 19:00 UTC, (no name) (ARIN) to LEASEWEB UK LIMITED (RIPE NCC); resources moved: 23.19.56.0/21"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190102.bz2","retrieved_at":"2026-10-12T22:01:06+00:00","summary":"RIPE NCC delegated statistics 2019-01-02 (produced 2019-01-02T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190103.bz2","retrieved_at":"2026-10-12T22:01:09+00:00","summary":"RIPE NCC delegated statistics 2019-01-03 (produced 2019-01-03T22:59:59+00:00), after the change: allocated (dated 2011-04-25)"}]}],"classification_history":{"453963644acf7f4a":[{"raw_change_id":367018,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:27:09+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nobis Technology Group, LLC (ARIN) to Leaseweb UK Limited (RIPE NCC) on 2019-01-03 15:12 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":367018,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:08+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nobis Technology Group, LLC (ARIN) to Leaseweb UK Limited (RIPE NCC) on 2019-01-03 15:12 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":367018,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Nobis Technology Group, LLC (ARIN) to Leaseweb UK Limited (RIPE NCC) on 2019-01-03 15:12 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":367018,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:09+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Nobis Technology Group, LLC (ARIN) to Leaseweb UK Limited (RIPE NCC) on 2019-01-03 15:12 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"c09e1a444667a183":[{"raw_change_id":61425,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:46:27+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to LEASEWEB UK LIMITED (RIPE NCC) on 2019-01-03 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":61425,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:50+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to LEASEWEB UK LIMITED (RIPE NCC) on 2019-01-03 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":61425,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:06+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to LEASEWEB UK LIMITED (RIPE NCC) on 2019-01-03 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":61425,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:46+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to LEASEWEB UK LIMITED (RIPE NCC) on 2019-01-03 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."}]},"arin_statistics_now":{"status":"not listed"}}