{"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":"204.228.128.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.228.128.0-204.228.159.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-01-31)"},"current_holder":{"rir":"ARIN","org":"XMission, L.C.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":19934,"date":"2020-01-31T20:51:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Utah Education Network","recipient_org":"XMission, L.C.","range":"204.228.128.0/19","log":"ARIN"},{"id":17824,"date":"2019-05-08T18:26:00Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"WestNet, Inc.","recipient_org":"Utah Education Network","range":"204.228.128.0/19","log":"ARIN"}],"events":[{"event_id":"bcc4735ac54a6e3d","registry":"ARIN","report_date":"2020-01-31","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.228.128.0-204.228.159.255","resource_type":"ipv4","resource":"204.228.128.0/19","start":"204.228.128.0","end":"204.228.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Utah Education Network","recipient_organization":"XMission, L.C.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:44+00:00","page":"https://rirtracker.com/ip/204.228.128.0-204.228.159.255/#e-bcc4735ac54a6e3d","report_page":"https://rirtracker.com/arin/reports/2020-01-31/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.228.128.0-204.228.159.255.json","explanation":"ARIN's transfer log records a transfer from Utah Education Network (ARIN) to XMission, L.C. (ARIN) on 2020-01-31 20:51 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2020-January/004067.html","retrieved_at":"2026-10-12T18:40:45+00:00","summary":"ARIN-Issued report for 2020-01-31: \"Add 204.228.128.0-204.228.159.255\""},{"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 2020-01-31 20:51 UTC, Utah Education Network (ARIN) to XMission, L.C. (ARIN); resources moved: 204.228.128.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200130.gz","retrieved_at":"2026-10-12T22:18:22+00:00","summary":"ARIN delegated statistics 2020-01-30 (produced 2020-01-30T15:00:14+00:00), before the report: allocated (dated 1995-01-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200201.gz","retrieved_at":"2026-10-12T22:18:31+00:00","summary":"ARIN delegated statistics 2020-02-01 (produced 2020-02-01T15:00:13+00:00), after the report: allocated (dated 2020-01-31)"}]},{"event_id":"f9ed2d909ca6c3d0","registry":"ARIN","report_date":"2019-05-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.228.128.0/19","start":"204.228.128.0","end":"204.228.159.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"WestNet, Inc.","recipient_organization":"Utah Education Network","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:44+00:00","page":"https://rirtracker.com/ip/204.228.128.0-204.228.159.255/#e-f9ed2d909ca6c3d0","report_page":"https://rirtracker.com/arin/reports/2019-05-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.228.128.0-204.228.159.255.json","observed":"Merger/acquisition: WestNet, Inc. (ARIN) to Utah Education Network (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from WestNet, Inc. (ARIN) to Utah Education Network (ARIN) on 2019-05-08 18:26 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"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 2019-05-08 18:26 UTC, WestNet, Inc. (ARIN) to Utah Education Network (ARIN); resources moved: 204.228.128.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190507.gz","retrieved_at":"2026-10-12T22:04:35+00:00","summary":"ARIN delegated statistics 2019-05-07 (produced 2019-05-07T05:00:13+00:00), before the report: allocated (dated 1995-01-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190509.gz","retrieved_at":"2026-10-12T22:04:41+00:00","summary":"ARIN delegated statistics 2019-05-09 (produced 2019-05-09T05:00:12+00:00), after the report: allocated (dated 1995-01-12)"}]}],"classification_history":{"bcc4735ac54a6e3d":[{"raw_change_id":163810,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:47:11+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Utah Education Network (ARIN) to XMission, L.C. (ARIN) on 2020-01-31 20:51 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":163810,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:43+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Utah Education Network (ARIN) to XMission, L.C. (ARIN) on 2020-01-31 20:51 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":163810,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:28+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Utah Education Network (ARIN) to XMission, L.C. (ARIN) on 2020-01-31 20:51 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":163810,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:44+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Utah Education Network (ARIN) to XMission, L.C. (ARIN) on 2020-01-31 20:51 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"f9ed2d909ca6c3d0":[{"raw_change_id":558632,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:44+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from WestNet, Inc. (ARIN) to Utah Education Network (ARIN) on 2019-05-08 18:26 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"allocated (dated 2020-01-31)"}}