{"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":"140.248.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/140.248.0.0-140.248.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2021-07-01)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[{"id":24984,"date":"2021-07-01T15:20:51Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Raytheon BBN Technologies Corp.","recipient_org":"Fastly","range":"140.248.0.0/16","log":"ARIN"},{"id":24979,"date":"2021-06-30T19:41:09Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"BBN Communications","recipient_org":"Raytheon BBN Technologies Corp.","range":"140.248.0.0/16","log":"ARIN"}],"events":[{"event_id":"109b381dad8f9841","registry":"ARIN","report_date":"2021-07-01","source":"arin_issued","raw_action":"ADD","raw_line":"Add 140.248.0.0-140.248.255.255","resource_type":"ipv4","resource":"140.248.0.0/16","start":"140.248.0.0","end":"140.248.255.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"CONFLICTING","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:10+00:00","page":"https://rirtracker.com/ip/140.248.0.0-140.248.255.255/#e-109b381dad8f9841","report_page":"https://rirtracker.com/arin/reports/2021-07-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/140.248.0.0-140.248.255.255.json","explanation":"2 transfer records from around 2021-07-01 cover parts of this IPv4 range, and none of them matches the range exactly, so the tracker doesn't pick one. Queued for review.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2021-July/004584.html","retrieved_at":"2026-10-12T18:41:23+00:00","summary":"ARIN-Issued report for 2021-07-01: \"Add 140.248.0.0-140.248.255.255\""},{"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: MERGER_ACQUISITION on 2021-06-30 19:41 UTC, BBN Communications (ARIN) to Raytheon BBN Technologies Corp. (ARIN); resources moved: 140.248.0.0/16"},{"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 2021-07-01 15:20 UTC, Raytheon BBN Technologies Corp. (ARIN) to Fastly (ARIN); resources moved: 140.248.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210630.gz","retrieved_at":"2026-10-12T22:45:00+00:00","summary":"ARIN delegated statistics 2021-06-30 (produced 2021-06-30T14:00:13+00:00), before the report: allocated (dated 1991-06-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210702.gz","retrieved_at":"2026-10-12T22:45:13+00:00","summary":"ARIN delegated statistics 2021-07-02 (produced 2021-07-02T14:00:13+00:00), after the report: allocated (dated 2021-07-01)"}]}],"classification_history":{"109b381dad8f9841":[{"raw_change_id":171895,"classification_code":"UNRESOLVED","confidence":"CONFLICTING","classifier_version":"1.3.0","classified_at":"2026-10-13T03:52:51+00:00","current":0,"public_explanation":"2 transfer records from around 2021-07-01 cover parts of this IPv4 range, and none of them matches the range exactly, so the tracker doesn't pick one. Queued for review."},{"raw_change_id":171895,"classification_code":"UNRESOLVED","confidence":"CONFLICTING","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:03+00:00","current":0,"public_explanation":"2 transfer records from around 2021-07-01 cover parts of this IPv4 range, and none of them matches the range exactly, so the tracker doesn't pick one. Queued for review."},{"raw_change_id":171895,"classification_code":"UNRESOLVED","confidence":"CONFLICTING","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:50+00:00","current":0,"public_explanation":"2 transfer records from around 2021-07-01 cover parts of this IPv4 range, and none of them matches the range exactly, so the tracker doesn't pick one. Queued for review."},{"raw_change_id":171895,"classification_code":"UNRESOLVED","confidence":"CONFLICTING","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:10+00:00","current":1,"public_explanation":"2 transfer records from around 2021-07-01 cover parts of this IPv4 range, and none of them matches the range exactly, so the tracker doesn't pick one. Queued for review."}]},"arin_statistics_now":{"status":"allocated (dated 2021-07-01)"}}