{"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":"192.21.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.21.0.0-192.21.255.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 1986-01-22)"},"current_holder":{"rir":"RIPE NCC","org":"Rackspace Limited (uk.rackspace)","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":105178,"date":"2024-05-01T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Rackspace Ltd.","range":"192.21.0.0/16","log":"RIPE NCC"},{"id":35384,"date":"2024-05-01T14:12:15Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Formtek, Inc.","recipient_org":"Rackspace Limited (uk.rackspace)","range":"192.21.0.0/16","log":"ARIN"}],"events":[{"event_id":"19fd4053b5a43f76","registry":"ARIN","report_date":"2024-05-01","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"192.21.0.0/16","start":"192.21.0.0","end":"192.21.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Formtek, Inc.","recipient_organization":"Rackspace Limited (uk.rackspace)","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":"2026-10-14T00:11:54+00:00","page":"https://rirtracker.com/ip/192.21.0.0-192.21.255.255/#e-19fd4053b5a43f76","report_page":"https://rirtracker.com/arin/reports/2024-05-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.21.0.0-192.21.255.255.json","observed":"192.21.0.0/16 allocated on 2024-05-01, not listed on 2024-05-02","same_transfer_as":"182779c0bafcbae6","explanation":"ARIN's transfer log records a transfer from Formtek, Inc. (ARIN) to Rackspace Limited (uk.rackspace) (RIPE NCC) on 2024-05-01 14:12 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/2024/delegated-arin-extended-20240502.gz","retrieved_at":"2026-10-12T23:39:17+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 192.21.0.0/16 allocated on 2024-05-01, not listed on 2024-05-02"},{"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 2024-05-01 14:12 UTC, Formtek, Inc. (ARIN) to Rackspace Limited (uk.rackspace) (RIPE NCC); resources moved: 192.21.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240430.gz","retrieved_at":"2026-10-12T23:39:13+00:00","summary":"ARIN delegated statistics 2024-04-30 (produced 2024-04-30T13:00:47+00:00), before the report: allocated (dated 1986-01-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240502.gz","retrieved_at":"2026-10-12T23:39:17+00:00","summary":"ARIN delegated statistics 2024-05-02 (produced 2024-05-02T13:00:47+00:00), after the report: not listed"}]},{"event_id":"182779c0bafcbae6","registry":"RIPE NCC","report_date":"2024-05-01","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.21.0.0/16","start":"192.21.0.0","end":"192.21.255.255","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":"Rackspace Ltd.","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":"2026-10-13T23:50:02+00:00","page":"https://rirtracker.com/ip/192.21.0.0-192.21.255.255/#e-182779c0bafcbae6","report_page":"https://rirtracker.com/ripe/reports/2024-05-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.21.0.0-192.21.255.255.json","observed":"Transfer: (no name) (ARIN) to Rackspace Ltd. (RIPE NCC)","same_transfer_as":"19fd4053b5a43f76","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Rackspace Ltd. (RIPE NCC) on 2024-05-01 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 2024-05-01 19:00 UTC, (no name) (ARIN) to Rackspace Ltd. (RIPE NCC); resources moved: 192.21.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240430.bz2","retrieved_at":"2026-10-13T00:29:17+00:00","summary":"RIPE NCC delegated statistics 2024-04-30 (produced 2024-04-30T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240501.bz2","retrieved_at":"2026-10-13T00:29:20+00:00","summary":"RIPE NCC delegated statistics 2024-05-01 (produced 2024-05-01T21:59:59+00:00), after the change: assigned (dated 1986-01-22)"}]}],"classification_history":{"19fd4053b5a43f76":[{"raw_change_id":464377,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T06:07:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Formtek, Inc. (ARIN) to Rackspace Limited (uk.rackspace) (RIPE NCC) on 2024-05-01 14:12 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":464377,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:41+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Formtek, Inc. (ARIN) to Rackspace Limited (uk.rackspace) (RIPE NCC) on 2024-05-01 14:12 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":464377,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:45+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Formtek, Inc. (ARIN) to Rackspace Limited (uk.rackspace) (RIPE NCC) on 2024-05-01 14:12 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":464377,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:54+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Formtek, Inc. (ARIN) to Rackspace Limited (uk.rackspace) (RIPE NCC) on 2024-05-01 14:12 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."}],"182779c0bafcbae6":[{"raw_change_id":105763,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:05:10+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Rackspace Ltd. (RIPE NCC) on 2024-05-01 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":105763,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:40+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Rackspace Ltd. (RIPE NCC) on 2024-05-01 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":105763,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:09+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Rackspace Ltd. (RIPE NCC) on 2024-05-01 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":105763,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:02+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Rackspace Ltd. (RIPE NCC) on 2024-05-01 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"}}