{"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":"168.69.251.0 - 168.69.252.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/168.69.251.0-168.69.252.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2021-04-28)"},"current_holder":{"rir":"ARIN","org":"Spring Branch Independent School District","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":24513,"date":"2021-04-28T14:32:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Northwest ISD","recipient_org":"Spring Branch Independent School District","range":"168.69.251.0/24","log":"ARIN"},{"id":24514,"date":"2021-04-28T14:32:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Northwest ISD","recipient_org":"Spring Branch Independent School District","range":"168.69.252.0/24","log":"ARIN"},{"id":10887,"date":"2017-09-07T19:42:37Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Spring Branch Independent School District","recipient_org":"Northwest ISD","range":"168.69.251.0/24","log":"ARIN"},{"id":10886,"date":"2017-09-07T19:42:37Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Spring Branch Independent School District","recipient_org":"Northwest ISD","range":"168.69.252.0/24","log":"ARIN"}],"events":[{"event_id":"f30ad93e16ebf696","registry":"ARIN","report_date":"2021-04-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add 168.69.251.0-168.69.252.255","resource_type":"ipv4","resource":"168.69.251.0 - 168.69.252.255","start":"168.69.251.0","end":"168.69.252.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Northwest ISD","recipient_organization":"Spring Branch Independent School District","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:08+00:00","page":"https://rirtracker.com/ip/168.69.251.0-168.69.252.255/#e-f30ad93e16ebf696","report_page":"https://rirtracker.com/arin/reports/2021-04-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/168.69.251.0-168.69.252.255.json","explanation":"ARIN's transfer log records a transfer from Northwest ISD (ARIN) to Spring Branch Independent School District (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2021-04-28 14:32 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/2021-April/004520.html","retrieved_at":"2026-10-12T18:41:17+00:00","summary":"ARIN-Issued report for 2021-04-28: \"Add 168.69.251.0-168.69.252.255\""},{"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 2021-04-28 14:32 UTC, Northwest ISD (ARIN) to Spring Branch Independent School District (ARIN); resources moved: 168.69.251.0/24"},{"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 2021-04-28 14:32 UTC, Northwest ISD (ARIN) to Spring Branch Independent School District (ARIN); resources moved: 168.69.252.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210427.gz","retrieved_at":"2026-10-12T22:41:53+00:00","summary":"ARIN delegated statistics 2021-04-27 (produced 2021-04-27T14:00:13+00:00), before the report: assigned (dated 2017-09-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210429.gz","retrieved_at":"2026-10-12T22:41:58+00:00","summary":"ARIN delegated statistics 2021-04-29 (produced 2021-04-29T14:00:13+00:00), after the report: assigned (dated 2021-04-28)"}]},{"event_id":"f49f887e9d067161","registry":"ARIN","report_date":"2017-09-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 168.69.251.0-168.69.252.255","resource_type":"ipv4","resource":"168.69.251.0 - 168.69.252.255","start":"168.69.251.0","end":"168.69.252.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Spring Branch Independent School District","recipient_organization":"Northwest ISD","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:56+00:00","page":"https://rirtracker.com/ip/168.69.251.0-168.69.252.255/#e-f49f887e9d067161","report_page":"https://rirtracker.com/arin/reports/2017-09-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/168.69.251.0-168.69.252.255.json","explanation":"ARIN's transfer log records a transfer from Spring Branch Independent School District (ARIN) to Northwest ISD (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2017-09-07 19:42 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/2017-September/003193.html","retrieved_at":"2026-10-12T18:39:46+00:00","summary":"ARIN-Issued report for 2017-09-07: \"Add 168.69.251.0-168.69.252.255\""},{"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 2017-09-07 19:42 UTC, Spring Branch Independent School District (ARIN) to Northwest ISD (ARIN); resources moved: 168.69.252.0/24"},{"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 2017-09-07 19:42 UTC, Spring Branch Independent School District (ARIN) to Northwest ISD (ARIN); resources moved: 168.69.251.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170906.gz","retrieved_at":"2026-10-12T21:33:55+00:00","summary":"ARIN delegated statistics 2017-09-06 (produced 2017-09-06T05:10:53+00:00), before the report: assigned (dated 1994-01-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170908.gz","retrieved_at":"2026-10-12T21:34:00+00:00","summary":"ARIN delegated statistics 2017-09-08 (produced 2017-09-08T05:10:53+00:00), after the report: assigned (dated 2017-09-07)"}]}],"classification_history":{"f30ad93e16ebf696":[{"raw_change_id":171177,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:52:18+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northwest ISD (ARIN) to Spring Branch Independent School District (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2021-04-28 14:32 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":171177,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:01+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northwest ISD (ARIN) to Spring Branch Independent School District (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2021-04-28 14:32 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":171177,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:48+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northwest ISD (ARIN) to Spring Branch Independent School District (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2021-04-28 14:32 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":171177,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:08+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Northwest ISD (ARIN) to Spring Branch Independent School District (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2021-04-28 14:32 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"f49f887e9d067161":[{"raw_change_id":151174,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:39:06+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Spring Branch Independent School District (ARIN) to Northwest ISD (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2017-09-07 19:42 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":151174,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:07+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Spring Branch Independent School District (ARIN) to Northwest ISD (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2017-09-07 19:42 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":151174,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Spring Branch Independent School District (ARIN) to Northwest ISD (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2017-09-07 19:42 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":151174,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:56+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Spring Branch Independent School District (ARIN) to Northwest ISD (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2017-09-07 19:42 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 2021-04-28)"}}