{"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":"27.121.114.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/27.121.114.0-27.121.115.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-10-21)"},"current_holder":{"rir":"ARIN","org":"RNL-34","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":129698,"date":"2024-10-21T23:13:10Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Ultima Computer Systems","recipient_org":"RNL-34","range":"27.121.114.0/23","log":"APNIC"},{"id":36980,"date":"2024-10-21T18:28:56Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Luigi Ciavolino t/a Ultima Computer Systems","recipient_org":"Resound Networks, LLC","range":"27.121.114.0/23","log":"ARIN"}],"events":[{"event_id":"2c2c711f498a1e76","registry":"APNIC","report_date":"2024-10-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"27.121.114.0/23","start":"27.121.114.0","end":"27.121.115.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of APNIC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"Ultima Computer Systems","recipient_organization":"RNL-34","inventory_effect":"Transferred out of APNIC administration; not offered to APNIC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:52+00:00","page":"https://rirtracker.com/ip/27.121.114.0-27.121.115.255/#e-2c2c711f498a1e76","report_page":"https://rirtracker.com/apnic/reports/2024-10-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/27.121.114.0-27.121.115.255.json","observed":"Transfer: Ultima Computer Systems (APNIC) to RNL-34 (ARIN)","piece_of":{"resource":"27.121.112.0/21","page":"https://rirtracker.com/ip/27.121.112.0-27.121.119.255/"},"same_transfer_as":"de1c4e9a9becef7c","explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to RNL-34 (ARIN) on 2024-10-21 23:13 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants.","evidence":[{"type":"transfer","url":"https://ftp.apnic.net/stats/apnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T18:17:16+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2024-10-21 23:13 UTC, Ultima Computer Systems (APNIC) to RNL-34 (ARIN); resources moved: 27.121.114.0/23"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2024/delegated-apnic-extended-20241022.gz","retrieved_at":"2026-10-13T01:21:02+00:00","summary":"APNIC delegated statistics 2024-10-22, before the change: allocated (dated 2010-09-09)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2024/delegated-apnic-extended-20241023.gz","retrieved_at":"2026-10-13T01:21:19+00:00","summary":"APNIC delegated statistics 2024-10-23, after the change: not listed"}]},{"event_id":"de1c4e9a9becef7c","registry":"ARIN","report_date":"2024-10-21","source":"arin_issued","raw_action":"ADD","raw_line":"Add 27.121.114.0-27.121.115.255","resource_type":"ipv4","resource":"27.121.114.0/23","start":"27.121.114.0","end":"27.121.115.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"Luigi Ciavolino t/a Ultima Computer Systems","recipient_organization":"Resound Networks, LLC","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:13+00:00","page":"https://rirtracker.com/ip/27.121.114.0-27.121.115.255/#e-de1c4e9a9becef7c","report_page":"https://rirtracker.com/arin/reports/2024-10-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/27.121.114.0-27.121.115.255.json","same_transfer_as":"2c2c711f498a1e76","explanation":"ARIN's transfer log records a transfer from Luigi Ciavolino t/a Ultima Computer Systems (APNIC) to Resound Networks, LLC (ARIN) on 2024-10-21 18:28 UTC: it came to ARIN from APNIC. 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-October/005791.html","retrieved_at":"2026-10-12T18:42:46+00:00","summary":"ARIN-Issued report for 2024-10-21: \"Add 27.121.114.0-27.121.115.255\""},{"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 2024-10-21 18:28 UTC, Luigi Ciavolino t/a Ultima Computer Systems (APNIC) to Resound Networks, LLC (ARIN); resources moved: 27.121.114.0/23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241020.gz","retrieved_at":"2026-10-12T23:48:37+00:00","summary":"ARIN delegated statistics 2024-10-20 (produced 2024-10-20T13:00:54+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241022.gz","retrieved_at":"2026-10-12T23:48:42+00:00","summary":"ARIN delegated statistics 2024-10-22 (produced 2024-10-22T13:00:53+00:00), after the report: allocated (dated 2024-10-21)"}]}],"classification_history":{"2c2c711f498a1e76":[{"raw_change_id":41417,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:38:25+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to RNL-34 (ARIN) on 2024-10-21 23:13 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41417,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:04+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to RNL-34 (ARIN) on 2024-10-21 23:13 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41417,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:16+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to RNL-34 (ARIN) on 2024-10-21 23:13 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41417,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:52+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to RNL-34 (ARIN) on 2024-10-21 23:13 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."}],"de1c4e9a9becef7c":[{"raw_change_id":189872,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:03:40+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Luigi Ciavolino t/a Ultima Computer Systems (APNIC) to Resound Networks, LLC (ARIN) on 2024-10-21 18:28 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":189872,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:50+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Luigi Ciavolino t/a Ultima Computer Systems (APNIC) to Resound Networks, LLC (ARIN) on 2024-10-21 18:28 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":189872,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:43+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Luigi Ciavolino t/a Ultima Computer Systems (APNIC) to Resound Networks, LLC (ARIN) on 2024-10-21 18:28 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":189872,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:13+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Luigi Ciavolino t/a Ultima Computer Systems (APNIC) to Resound Networks, LLC (ARIN) on 2024-10-21 18:28 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"allocated (dated 2024-10-21)"}}