{"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":"198.28.136.0 - 198.28.191.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.28.136.0-198.28.191.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2019-07-01)"},"current_holder":{"rir":"ARIN","org":"C Spire Fiber","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":18381,"date":"2019-07-01T16:49:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"OSRAM SYLVANIA INC.","recipient_org":"C Spire Fiber","range":"198.28.136.0/21","log":"ARIN"},{"id":18380,"date":"2019-07-01T16:49:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"OSRAM SYLVANIA INC.","recipient_org":"C Spire Fiber","range":"198.28.144.0/20","log":"ARIN"},{"id":18382,"date":"2019-07-01T16:49:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"OSRAM SYLVANIA INC.","recipient_org":"C Spire Fiber","range":"198.28.160.0/19","log":"ARIN"}],"events":[{"event_id":"6c49c04c189256a0","registry":"ARIN","report_date":"2019-07-01","source":"arin_issued","raw_action":"ADD","raw_line":"Add 198.28.136.0-198.28.191.255","resource_type":"ipv4","resource":"198.28.136.0 - 198.28.191.255","start":"198.28.136.0","end":"198.28.191.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"OSRAM SYLVANIA INC.","recipient_organization":"C Spire Fiber","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:32+00:00","page":"https://rirtracker.com/ip/198.28.136.0-198.28.191.255/#e-6c49c04c189256a0","report_page":"https://rirtracker.com/arin/reports/2019-07-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.28.136.0-198.28.191.255.json","explanation":"ARIN's transfer log records a transfer from OSRAM SYLVANIA INC. (ARIN) to C Spire Fiber (ARIN), recorded as 3 transfer records that together cover exactly this range, on 2019-07-01 16:49 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/2019-July/003855.html","retrieved_at":"2026-10-12T18:40:33+00:00","summary":"ARIN-Issued report for 2019-07-01: \"Add 198.28.136.0-198.28.191.255\""},{"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 2019-07-01 16:49 UTC, OSRAM SYLVANIA INC. (ARIN) to C Spire Fiber (ARIN); resources moved: 198.28.144.0/20"},{"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 2019-07-01 16:49 UTC, OSRAM SYLVANIA INC. (ARIN) to C Spire Fiber (ARIN); resources moved: 198.28.136.0/21"},{"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 2019-07-01 16:49 UTC, OSRAM SYLVANIA INC. (ARIN) to C Spire Fiber (ARIN); resources moved: 198.28.160.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190630.gz","retrieved_at":"2026-10-12T22:07:20+00:00","summary":"ARIN delegated statistics 2019-06-30 (produced 2019-06-30T14:00:15+00:00), before the report: assigned (dated 1993-01-05)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190702.gz","retrieved_at":"2026-10-12T22:07:25+00:00","summary":"ARIN delegated statistics 2019-07-02 (produced 2019-07-02T14:00:17+00:00), after the report: allocated (dated 2019-07-01)"}]}],"classification_history":{"6c49c04c189256a0":[{"raw_change_id":160189,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:44:40+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from OSRAM SYLVANIA INC. (ARIN) to C Spire Fiber (ARIN), recorded as 3 transfer records that together cover exactly this range, on 2019-07-01 16:49 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":160189,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:34+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from OSRAM SYLVANIA INC. (ARIN) to C Spire Fiber (ARIN), recorded as 3 transfer records that together cover exactly this range, on 2019-07-01 16:49 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":160189,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:17+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from OSRAM SYLVANIA INC. (ARIN) to C Spire Fiber (ARIN), recorded as 3 transfer records that together cover exactly this range, on 2019-07-01 16:49 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":160189,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:32+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from OSRAM SYLVANIA INC. (ARIN) to C Spire Fiber (ARIN), recorded as 3 transfer records that together cover exactly this range, on 2019-07-01 16:49 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2019-07-01)"}}