{"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":"144.86.161.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/144.86.161.0-144.86.161.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-08-07)"},"current_holder":{"rir":"ARIN","org":"Frontier Nursing University","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":36304,"date":"2024-08-07T21:07:24Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Genesis Adaptive Hosting, INC.","recipient_org":"Frontier Nursing University","range":"144.86.161.0/24","log":"ARIN"},{"id":20769,"date":"2020-05-22T18:40:16Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"MTI Technology LLC","recipient_org":"Genesis Adaptive Hosting, INC.","range":"144.86.160.0/23","log":"ARIN"},{"id":16645,"date":"2018-12-13T18:10:57Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"MTI Technology Corporation","recipient_org":"MTI Technology LLC","range":"144.86.0.0/16","log":"ARIN"}],"events":[{"event_id":"6c76dfdaa9b4d83f","registry":"ARIN","report_date":"2024-08-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 144.86.161.0-144.86.161.255","resource_type":"ipv4","resource":"144.86.161.0/24","start":"144.86.161.0","end":"144.86.161.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Genesis Adaptive Hosting, INC.","recipient_organization":"Frontier Nursing University","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:08+00:00","page":"https://rirtracker.com/ip/144.86.161.0-144.86.161.255/#e-6c76dfdaa9b4d83f","report_page":"https://rirtracker.com/arin/reports/2024-08-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/144.86.161.0-144.86.161.255.json","explanation":"ARIN's transfer log records a transfer from Genesis Adaptive Hosting, INC. (ARIN) to Frontier Nursing University (ARIN) on 2024-08-07 21:07 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/2024-August/005716.html","retrieved_at":"2026-10-12T18:42:42+00:00","summary":"ARIN-Issued report for 2024-08-07: \"Add 144.86.161.0-144.86.161.255\""},{"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 2024-08-07 21:07 UTC, Genesis Adaptive Hosting, INC. (ARIN) to Frontier Nursing University (ARIN); resources moved: 144.86.161.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240806.gz","retrieved_at":"2026-10-12T23:44:30+00:00","summary":"ARIN delegated statistics 2024-08-06 (produced 2024-08-06T13:00:51+00:00), before the report: allocated (dated 2020-05-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240808.gz","retrieved_at":"2026-10-12T23:44:35+00:00","summary":"ARIN delegated statistics 2024-08-08 (produced 2024-08-08T13:00:51+00:00), after the report: allocated (dated 2024-08-07)"}]},{"event_id":"ac1122a516bc7e46","registry":"ARIN","report_date":"2024-03-11","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"144.86.161.0/24","start":"144.86.161.0","end":"144.86.161.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:45+00:00","page":"https://rirtracker.com/ip/144.86.161.0-144.86.161.255/#e-ac1122a516bc7e46","report_page":"https://rirtracker.com/arin/reports/2024-03-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/144.86.161.0-144.86.161.255.json","observed":"144.86.161.0/24 allocated on 2024-03-11, reserved on 2024-03-12","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2024-05-10","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2020-05-22) on 2024-03-10 and reserved on 2024-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2024-05-10. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240312.gz","retrieved_at":"2026-10-12T23:36:41+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 144.86.161.0/24 allocated on 2024-03-11, reserved on 2024-03-12"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240310.gz","retrieved_at":"2026-10-12T23:36:36+00:00","summary":"ARIN delegated statistics 2024-03-10 (produced 2024-03-10T13:00:44+00:00), before the report: allocated (dated 2020-05-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240312.gz","retrieved_at":"2026-10-12T23:36:41+00:00","summary":"ARIN delegated statistics 2024-03-12 (produced 2024-03-12T13:00:43+00:00), after the report: reserved"}]}],"classification_history":{"6c76dfdaa9b4d83f":[{"raw_change_id":188529,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:02:56+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Genesis Adaptive Hosting, INC. (ARIN) to Frontier Nursing University (ARIN) on 2024-08-07 21:07 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":188529,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:46+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Genesis Adaptive Hosting, INC. (ARIN) to Frontier Nursing University (ARIN) on 2024-08-07 21:07 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":188529,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:38+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Genesis Adaptive Hosting, INC. (ARIN) to Frontier Nursing University (ARIN) on 2024-08-07 21:07 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":188529,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:08+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Genesis Adaptive Hosting, INC. (ARIN) to Frontier Nursing University (ARIN) on 2024-08-07 21:07 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"ac1122a516bc7e46":[{"raw_change_id":462745,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:06:50+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2020-05-22) on 2024-03-10 and reserved on 2024-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2024-05-10. This does not confirm availability."},{"raw_change_id":462745,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:34+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2020-05-22) on 2024-03-10 and reserved on 2024-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2024-05-10. This does not confirm availability."},{"raw_change_id":462745,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:38+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2020-05-22) on 2024-03-10 and reserved on 2024-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2024-05-10. This does not confirm availability."},{"raw_change_id":462745,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:45+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2020-05-22) on 2024-03-10 and reserved on 2024-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2024-05-10. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2024-08-07)"}}