{"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":"192.203.241.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.203.241.0-192.203.241.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-06-13)"},"current_holder":{"rir":"ARIN","org":"Forward Thinking Systems LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":40612,"date":"2025-06-13T20:08:13Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Enterprises, LLC","recipient_org":"Forward Thinking Systems LLC","range":"192.203.241.0/24","log":"ARIN"},{"id":37462,"date":"2024-12-05T15:41:57Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Corp.","recipient_org":"AT&T Enterprises, LLC","range":"192.203.241.0/24","log":"ARIN"},{"id":13820,"date":"2018-07-19T19:39:28Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Internet Services","recipient_org":"AT&T Corp.","range":"192.203.241.0/24","log":"ARIN"}],"events":[{"event_id":"3cba8ffe0e733111","registry":"ARIN","report_date":"2025-06-13","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.203.241.0-192.203.241.255","resource_type":"ipv4","resource":"192.203.241.0/24","start":"192.203.241.0","end":"192.203.241.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AT&T Enterprises, LLC","recipient_organization":"Forward Thinking Systems LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:30+00:00","page":"https://rirtracker.com/ip/192.203.241.0-192.203.241.255/#e-3cba8ffe0e733111","report_page":"https://rirtracker.com/arin/reports/2025-06-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.203.241.0-192.203.241.255.json","explanation":"ARIN's transfer log records a transfer from AT&T Enterprises, LLC (ARIN) to Forward Thinking Systems LLC (ARIN) on 2025-06-13 20:08 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/2025-June/006026.html","retrieved_at":"2026-10-12T18:43:03+00:00","summary":"ARIN-Issued report for 2025-06-13: \"Add 192.203.241.0-192.203.241.255\""},{"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 2025-06-13 20:08 UTC, AT&T Enterprises, LLC (ARIN) to Forward Thinking Systems LLC (ARIN); resources moved: 192.203.241.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250612.gz","retrieved_at":"2026-10-13T00:01:27+00:00","summary":"ARIN delegated statistics 2025-06-12 (produced 2025-06-12T13:01:14+00:00), before the report: allocated (dated 1992-11-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250614.gz","retrieved_at":"2026-10-13T00:01:44+00:00","summary":"ARIN delegated statistics 2025-06-14 (produced 2025-06-14T13:01:13+00:00), after the report: allocated (dated 2025-06-13)"}]},{"event_id":"635bf839b8348cff","registry":"ARIN","report_date":"2024-12-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.203.241.0/24","start":"192.203.241.0","end":"192.203.241.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AT&T Corp.","recipient_organization":"AT&T Enterprises, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:18+00:00","page":"https://rirtracker.com/ip/192.203.241.0-192.203.241.255/#e-635bf839b8348cff","report_page":"https://rirtracker.com/arin/reports/2024-12-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.203.241.0-192.203.241.255.json","observed":"Merger/acquisition: AT&T Corp. (ARIN) to AT&T Enterprises, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AT&T Corp. (ARIN) to AT&T Enterprises, LLC (ARIN) on 2024-12-05 15:41 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 2024-12-05 15:41 UTC, AT&T Corp. (ARIN) to AT&T Enterprises, LLC (ARIN); resources moved: 192.203.241.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241204.gz","retrieved_at":"2026-10-12T23:51:02+00:00","summary":"ARIN delegated statistics 2024-12-04 (produced 2024-12-04T14:01:07+00:00), before the report: allocated (dated 1992-11-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241206.gz","retrieved_at":"2026-10-12T23:51:07+00:00","summary":"ARIN delegated statistics 2024-12-06 (produced 2024-12-06T14:01:05+00:00), after the report: allocated (dated 1992-11-23)"}]},{"event_id":"fa9bea61ec998139","registry":"ARIN","report_date":"2018-07-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.203.241.0/24","start":"192.203.241.0","end":"192.203.241.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AT&T Internet Services","recipient_organization":"AT&T Corp.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:37+00:00","page":"https://rirtracker.com/ip/192.203.241.0-192.203.241.255/#e-fa9bea61ec998139","report_page":"https://rirtracker.com/arin/reports/2018-07-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.203.241.0-192.203.241.255.json","observed":"Merger/acquisition: AT&T Internet Services (ARIN) to AT&T Corp. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AT&T Internet Services (ARIN) to AT&T Corp. (ARIN) on 2018-07-19 19:39 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 2018-07-19 19:39 UTC, AT&T Internet Services (ARIN) to AT&T Corp. (ARIN); resources moved: 192.203.241.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180718.gz","retrieved_at":"2026-10-12T21:49:26+00:00","summary":"ARIN delegated statistics 2018-07-18 (produced 2018-07-18T05:00:23+00:00), before the report: allocated (dated 1992-11-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180720.gz","retrieved_at":"2026-10-12T21:49:43+00:00","summary":"ARIN delegated statistics 2018-07-20 (produced 2018-07-20T05:00:25+00:00), after the report: allocated (dated 1992-11-23)"}]}],"classification_history":{"3cba8ffe0e733111":[{"raw_change_id":194549,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:06:56+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AT&T Enterprises, LLC (ARIN) to Forward Thinking Systems LLC (ARIN) on 2025-06-13 20:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":194549,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:02+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AT&T Enterprises, LLC (ARIN) to Forward Thinking Systems LLC (ARIN) on 2025-06-13 20:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":194549,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:56+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AT&T Enterprises, LLC (ARIN) to Forward Thinking Systems LLC (ARIN) on 2025-06-13 20:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":194549,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from AT&T Enterprises, LLC (ARIN) to Forward Thinking Systems LLC (ARIN) on 2025-06-13 20:08 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"635bf839b8348cff":[{"raw_change_id":572156,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:18+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AT&T Corp. (ARIN) to AT&T Enterprises, LLC (ARIN) on 2024-12-05 15:41 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."}],"fa9bea61ec998139":[{"raw_change_id":555141,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:37+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AT&T Internet Services (ARIN) to AT&T Corp. (ARIN) on 2018-07-19 19:39 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 2025-06-13)"}}