{"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":"192.156.152.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.156.152.0-192.156.152.255/","statistics_now":{"registry":"APNIC","status":"assigned (dated 2025-07-30)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"8726b022feeff165","registry":"APNIC","report_date":"2025-07-30","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"192.156.152.0/24","start":"192.156.152.0","end":"192.156.152.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from APNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:03+00:00","page":"https://rirtracker.com/ip/192.156.152.0-192.156.152.255/#e-8726b022feeff165","report_page":"https://rirtracker.com/apnic/reports/2025-07-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.156.152.0-192.156.152.255.json","observed":"192.156.152.0/24 available on 2025-07-30, assigned on 2025-07-31","explanation":"No transfer record matches. APNIC's statistics show it available on 2025-07-30 and assigned (dated 2025-07-30) on 2025-07-31. The tracker saw this range released from hold on 2020-08-03 (192.156.152.0/23), so it appears to have been issued again from APNIC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250731.gz","retrieved_at":"2026-10-13T01:42:54+00:00","summary":"Found by comparing APNIC's daily statistics: 192.156.152.0/24 available on 2025-07-30, assigned on 2025-07-31"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250730.gz","retrieved_at":"2026-10-13T01:42:50+00:00","summary":"APNIC delegated statistics 2025-07-30, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250731.gz","retrieved_at":"2026-10-13T01:42:54+00:00","summary":"APNIC delegated statistics 2025-07-31, after the change: assigned (dated 2025-07-30)"}]},{"event_id":"814fcf9860962a90","registry":"APNIC","report_date":"2013-05-13","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"192.156.152.0/24","start":"192.156.152.0","end":"192.156.152.255","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":"2026-10-13T23:59:36+00:00","page":"https://rirtracker.com/ip/192.156.152.0-192.156.152.255/#e-814fcf9860962a90","report_page":"https://rirtracker.com/apnic/reports/2013-05-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.156.152.0-192.156.152.255.json","observed":"192.156.152.0/24 assigned on 2013-05-13, reserved on 2013-05-14","explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 1992-06-25) on 2013-05-13 and reserved on 2013-05-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, and its statistics show a steady one (a year) only for removals from 2014-07-01 on; this one came earlier, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130514.gz","retrieved_at":"2026-10-12T20:32:37+00:00","summary":"Found by comparing APNIC's daily statistics: 192.156.152.0/24 assigned on 2013-05-13, reserved on 2013-05-14"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130513.gz","retrieved_at":"2026-10-12T20:32:34+00:00","summary":"APNIC delegated statistics 2013-05-13, before the change: assigned (dated 1992-06-25)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130514.gz","retrieved_at":"2026-10-12T20:32:37+00:00","summary":"APNIC delegated statistics 2013-05-14, after the change: reserved"}]}],"classification_history":{"8726b022feeff165":[{"raw_change_id":542808,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:45:16+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2025-07-30 and assigned (dated 2025-07-30) on 2025-07-31. The tracker saw this range released from hold on 2020-08-03 (192.156.152.0/23), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":542808,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:27:36+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2025-07-30 and assigned (dated 2025-07-30) on 2025-07-31. The tracker saw this range released from hold on 2020-08-03 (192.156.152.0/23), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":542808,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:12:02+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2025-07-30 and assigned (dated 2025-07-30) on 2025-07-31. The tracker saw this range released from hold on 2020-08-03 (192.156.152.0/23), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":542808,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:03+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2025-07-30 and assigned (dated 2025-07-30) on 2025-07-31. The tracker saw this range released from hold on 2020-08-03 (192.156.152.0/23), so it appears to have been issued again from APNIC's pool."}],"814fcf9860962a90":[{"raw_change_id":281854,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:47:15+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 1992-06-25) on 2013-05-13 and reserved on 2013-05-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":281854,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:12:27+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 1992-06-25) on 2013-05-13 and reserved on 2013-05-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":281854,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:55:45+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 1992-06-25) on 2013-05-13 and reserved on 2013-05-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":281854,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:59:36+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 1992-06-25) on 2013-05-13 and reserved on 2013-05-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, and its statistics show a steady one (a year) only for removals from 2014-07-01 on; this one came earlier, so the tracker gives no estimate. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}