{"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":"147.124.192.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/147.124.192.0-147.124.207.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-02-28)"},"current_holder":{"rir":"ARIN","org":"Tier.Net Technologies LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":39109,"date":"2025-02-28T18:24:02Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Harborvault","recipient_org":"Tier.Net Technologies LLC","range":"147.124.192.0/20","log":"ARIN"},{"id":22570,"date":"2021-01-08T22:13:37Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Albion College","recipient_org":"Harborvault","range":"147.124.192.0/20","log":"ARIN"}],"events":[{"event_id":"ac83d12d39cd922b","registry":"ARIN","report_date":"2025-02-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add 147.124.192.0-147.124.207.255","resource_type":"ipv4","resource":"147.124.192.0/20","start":"147.124.192.0","end":"147.124.207.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Harborvault","recipient_organization":"Tier.Net Technologies LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:23+00:00","page":"https://rirtracker.com/ip/147.124.192.0-147.124.207.255/#e-ac83d12d39cd922b","report_page":"https://rirtracker.com/arin/reports/2025-02-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/147.124.192.0-147.124.207.255.json","explanation":"ARIN's transfer log records a transfer from Harborvault (ARIN) to Tier.Net Technologies LLC (ARIN) on 2025-02-28 18:24 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-February/005921.html","retrieved_at":"2026-10-12T18:42:54+00:00","summary":"ARIN-Issued report for 2025-02-28: \"Add 147.124.192.0-147.124.207.255\""},{"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 2025-02-28 18:24 UTC, Harborvault (ARIN) to Tier.Net Technologies LLC (ARIN); resources moved: 147.124.192.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250227.gz","retrieved_at":"2026-10-12T23:55:33+00:00","summary":"ARIN delegated statistics 2025-02-27 (produced 2025-02-27T14:01:07+00:00), before the report: allocated (dated 2021-01-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250301.gz","retrieved_at":"2026-10-12T23:55:38+00:00","summary":"ARIN delegated statistics 2025-03-01 (produced 2025-03-01T14:01:05+00:00), after the report: allocated (dated 2025-02-28)"}]},{"event_id":"0b9e0be7f17ba2c8","registry":"ARIN","report_date":"2021-01-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 147.124.192.0-147.124.207.255","resource_type":"ipv4","resource":"147.124.192.0/20","start":"147.124.192.0","end":"147.124.207.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Albion College","recipient_organization":"Harborvault","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:03+00:00","page":"https://rirtracker.com/ip/147.124.192.0-147.124.207.255/#e-0b9e0be7f17ba2c8","report_page":"https://rirtracker.com/arin/reports/2021-01-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/147.124.192.0-147.124.207.255.json","explanation":"ARIN's transfer log records a transfer from Albion College (ARIN) to Harborvault (ARIN) on 2021-01-08 22:13 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-January/004410.html","retrieved_at":"2026-10-12T18:41:11+00:00","summary":"ARIN-Issued report for 2021-01-08: \"Add 147.124.192.0-147.124.207.255\""},{"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 2021-01-08 22:13 UTC, Albion College (ARIN) to Harborvault (ARIN); resources moved: 147.124.192.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210107.gz","retrieved_at":"2026-10-12T22:36:16+00:00","summary":"ARIN delegated statistics 2021-01-07 (produced 2021-01-07T15:00:13+00:00), before the report: assigned (dated 1991-04-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210109.gz","retrieved_at":"2026-10-12T22:36:21+00:00","summary":"ARIN delegated statistics 2021-01-09 (produced 2021-01-09T15:00:15+00:00), after the report: allocated (dated 2021-01-08)"}]}],"classification_history":{"ac83d12d39cd922b":[{"raw_change_id":192688,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:05:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Harborvault (ARIN) to Tier.Net Technologies LLC (ARIN) on 2025-02-28 18:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192688,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:57+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Harborvault (ARIN) to Tier.Net Technologies LLC (ARIN) on 2025-02-28 18:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192688,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Harborvault (ARIN) to Tier.Net Technologies LLC (ARIN) on 2025-02-28 18:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192688,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:23+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Harborvault (ARIN) to Tier.Net Technologies LLC (ARIN) on 2025-02-28 18:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"0b9e0be7f17ba2c8":[{"raw_change_id":169464,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:51:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Albion College (ARIN) to Harborvault (ARIN) on 2021-01-08 22:13 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":169464,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:58+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Albion College (ARIN) to Harborvault (ARIN) on 2021-01-08 22:13 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":169464,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:44+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Albion College (ARIN) to Harborvault (ARIN) on 2021-01-08 22:13 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":169464,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:03+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Albion College (ARIN) to Harborvault (ARIN) on 2021-01-08 22:13 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 2025-02-28)"}}