{"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":"192.28.124.0 - 192.28.131.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.28.124.0-192.28.131.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 1988-02-16)"},"current_holder":{"rir":"RIPE NCC","org":null,"how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":50654,"date":"2016-05-19T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"LOCKHEED MARTIN UK HOLDINGS LIMITED","range":"192.28.124.0/22","log":"RIPE NCC"},{"id":50655,"date":"2016-05-19T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"LOCKHEED MARTIN UK HOLDINGS LIMITED","range":"192.28.128.0/22","log":"RIPE NCC"},{"id":7014,"date":"2016-05-19T04:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Lockheed Martin Corporation","recipient_org":null,"range":"192.28.124.0/22","log":"ARIN"},{"id":7015,"date":"2016-05-19T04:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Lockheed Martin Corporation","recipient_org":null,"range":"192.28.128.0/22","log":"ARIN"}],"events":[{"event_id":"14451a644f7d467a","registry":"ARIN","report_date":"2016-05-19","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.28.124.0-192.28.131.255","resource_type":"ipv4","resource":"192.28.124.0 - 192.28.131.255","start":"192.28.124.0","end":"192.28.131.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Lockheed Martin Corporation","recipient_organization":null,"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":"2026-10-13T23:51:35+00:00","page":"https://rirtracker.com/ip/192.28.124.0-192.28.131.255/#e-14451a644f7d467a","report_page":"https://rirtracker.com/arin/reports/2016-05-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.28.124.0-192.28.131.255.json","same_transfer_as":"96c0f026d737d038","explanation":"ARIN's transfer log records a transfer from Lockheed Martin Corporation (ARIN) to an unnamed organization (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2016-05-19 04:00 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2016-May/002716.html","retrieved_at":"2026-10-12T18:39:13+00:00","summary":"ARIN-Issued report for 2016-05-19: \"Add 192.28.124.0-192.28.131.255\""},{"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 2016-05-19 04:00 UTC, Lockheed Martin Corporation (ARIN) to (no name) (RIPE NCC); resources moved: 192.28.124.0/22"},{"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 2016-05-19 04:00 UTC, Lockheed Martin Corporation (ARIN) to (no name) (RIPE NCC); resources moved: 192.28.128.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160518.gz","retrieved_at":"2026-10-12T21:10:35+00:00","summary":"ARIN delegated statistics 2016-05-18 (produced 2016-05-18T05:03:46+00:00), before the report: allocated (dated 1988-02-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160520.gz","retrieved_at":"2026-10-12T21:10:40+00:00","summary":"ARIN delegated statistics 2016-05-20 (produced 2016-05-20T05:04:58+00:00), after the report: not listed"}]}],"classification_history":{"14451a644f7d467a":[{"raw_change_id":145183,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:35:21+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Lockheed Martin Corporation (ARIN) to an unnamed organization (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2016-05-19 04:00 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":145183,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Lockheed Martin Corporation (ARIN) to an unnamed organization (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2016-05-19 04:00 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":145183,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:29+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Lockheed Martin Corporation (ARIN) to an unnamed organization (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2016-05-19 04:00 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":145183,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:35+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Lockheed Martin Corporation (ARIN) to an unnamed organization (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2016-05-19 04:00 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants."}]},"arin_statistics_now":{"status":"not listed"}}