{"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":"AS37603","resource_type":"asn","page":"https://rirtracker.com/asn/37603/","statistics_now":{"registry":"AFRINIC","status":"allocated (dated 2013-07-25)"},"current_holder":{"rir":"AFRINIC","org":null,"how":"AFRINIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"e29c857f958cd61d","registry":"AFRINIC","report_date":"2013-07-25","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS37603","start":37603,"end":37603,"classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from AFRINIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:41+00:00","page":"https://rirtracker.com/asn/37603/#e-e29c857f958cd61d","report_page":"https://rirtracker.com/afrinic/reports/2013-07-25/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/37603.json","observed":"AS37603 available on 2013-07-25, allocated on 2013-07-26","explanation":"No transfer record matches. AFRINIC's statistics show it available on 2013-07-25 and allocated (dated 2013-07-25) on 2013-07-26. It moved from AFRINIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by AFRINIC. Another change to this range was reported the day before or after (2013-07-24: Released AS37603), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.afrinic.net/pub/stats/afrinic/2013/delegated-afrinic-extended-20130726","retrieved_at":"2026-10-12T19:03:28+00:00","summary":"Found by comparing AFRINIC's daily statistics: AS37603 available on 2013-07-25, allocated on 2013-07-26"},{"type":"delegated_before","url":"https://ftp.afrinic.net/pub/stats/afrinic/2013/delegated-afrinic-extended-20130725","retrieved_at":"2026-10-12T19:03:23+00:00","summary":"AFRINIC delegated statistics 2013-07-25, before the change: available"},{"type":"delegated_after","url":"https://ftp.afrinic.net/pub/stats/afrinic/2013/delegated-afrinic-extended-20130726","retrieved_at":"2026-10-12T19:03:28+00:00","summary":"AFRINIC delegated statistics 2013-07-26, after the change: allocated (dated 2013-07-25)"}]},{"event_id":"434bf2922a54934c","registry":"AFRINIC","report_date":"2013-07-24","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"asn","resource":"AS37603","start":37603,"end":37603,"classification":"HOLD_RELEASED","classification_label":"Released from hold (AFRINIC lists it as 'available')","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"AFRINIC's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:41+00:00","page":"https://rirtracker.com/asn/37603/#e-434bf2922a54934c","report_page":"https://rirtracker.com/afrinic/reports/2013-07-24/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/37603.json","observed":"AS37603 reserved on 2013-07-24, available on 2013-07-25","explanation":"AFRINIC's statistics show it reserved on 2013-07-24 and available on 2013-07-25. AFRINIC moved it from its reserved (held) records to the status it calls 'available'. That is AFRINIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-07-25: Added AS37603), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.afrinic.net/pub/stats/afrinic/2013/delegated-afrinic-extended-20130725","retrieved_at":"2026-10-12T19:03:23+00:00","summary":"Found by comparing AFRINIC's daily statistics: AS37603 reserved on 2013-07-24, available on 2013-07-25"},{"type":"delegated_before","url":"https://ftp.afrinic.net/pub/stats/afrinic/2013/delegated-afrinic-extended-20130724","retrieved_at":"2026-10-12T19:03:17+00:00","summary":"AFRINIC delegated statistics 2013-07-24, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.afrinic.net/pub/stats/afrinic/2013/delegated-afrinic-extended-20130725","retrieved_at":"2026-10-12T19:03:23+00:00","summary":"AFRINIC delegated statistics 2013-07-25, after the change: available"}]}],"classification_history":{"e29c857f958cd61d":[{"raw_change_id":216001,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:14:53+00:00","current":0,"public_explanation":"No transfer record matches. AFRINIC's statistics show it available on 2013-07-25 and allocated (dated 2013-07-25) on 2013-07-26. The tracker saw this range released from hold on 2013-07-24 (AS37603), so it appears to have been issued again from AFRINIC's pool. Another change to this range was reported the day before or after (2013-07-24: Released AS37603), so the before-and-after statistics may include it."},{"raw_change_id":216001,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:03+00:00","current":0,"public_explanation":"No transfer record matches. AFRINIC's statistics show it available on 2013-07-25 and allocated (dated 2013-07-25) on 2013-07-26. The tracker saw this range released from hold on 2013-07-24 (AS37603), so it appears to have been issued again from AFRINIC's pool. Another change to this range was reported the day before or after (2013-07-24: Released AS37603), so the before-and-after statistics may include it."},{"raw_change_id":216001,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:03+00:00","current":0,"public_explanation":"No transfer record matches. AFRINIC's statistics show it available on 2013-07-25 and allocated (dated 2013-07-25) on 2013-07-26. The tracker saw this range released from hold on 2013-07-24 (AS37603), so it appears to have been issued again from AFRINIC's pool. Another change to this range was reported the day before or after (2013-07-24: Released AS37603), so the before-and-after statistics may include it."},{"raw_change_id":216001,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:41+00:00","current":1,"public_explanation":"No transfer record matches. AFRINIC's statistics show it available on 2013-07-25 and allocated (dated 2013-07-25) on 2013-07-26. It moved from AFRINIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by AFRINIC. Another change to this range was reported the day before or after (2013-07-24: Released AS37603), so the before-and-after statistics may include it."}],"434bf2922a54934c":[{"raw_change_id":215939,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:14:53+00:00","current":0,"public_explanation":"AFRINIC's statistics show it reserved on 2013-07-24 and available on 2013-07-25. AFRINIC moved it from its reserved (held) records to the status it calls 'available'. That is AFRINIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-07-25: Added AS37603), so the before-and-after statistics may include it."},{"raw_change_id":215939,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:03+00:00","current":0,"public_explanation":"AFRINIC's statistics show it reserved on 2013-07-24 and available on 2013-07-25. AFRINIC moved it from its reserved (held) records to the status it calls 'available'. That is AFRINIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-07-25: Added AS37603), so the before-and-after statistics may include it."},{"raw_change_id":215939,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:03+00:00","current":0,"public_explanation":"AFRINIC's statistics show it reserved on 2013-07-24 and available on 2013-07-25. AFRINIC moved it from its reserved (held) records to the status it calls 'available'. That is AFRINIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-07-25: Added AS37603), so the before-and-after statistics may include it."},{"raw_change_id":215939,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:41+00:00","current":1,"public_explanation":"AFRINIC's statistics show it reserved on 2013-07-24 and available on 2013-07-25. AFRINIC moved it from its reserved (held) records to the status it calls 'available'. That is AFRINIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2013-07-25: Added AS37603), so the before-and-after statistics may include it."}]},"arin_statistics_now":{"status":"not listed"}}