{"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":"202.53.141.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/202.53.141.0-202.53.141.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2019-03-28)"},"current_holder":{"rir":"APNIC","org":"Md. Al-Amin Sardar Panna","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":127984,"date":"2022-05-30T00:17:32Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Md. Kazi Mosharof Hossain","recipient_org":"Md. Al-Amin Sardar Panna","range":"202.53.141.0/24","log":"APNIC"}],"events":[{"event_id":"d6d3cb0d6deae17c","registry":"APNIC","report_date":"2022-05-30","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"202.53.141.0/24","start":"202.53.141.0","end":"202.53.141.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Md. Kazi Mosharof Hossain","recipient_organization":"Md. Al-Amin Sardar Panna","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:45+00:00","page":"https://rirtracker.com/ip/202.53.141.0-202.53.141.255/#e-d6d3cb0d6deae17c","report_page":"https://rirtracker.com/apnic/reports/2022-05-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/202.53.141.0-202.53.141.255.json","observed":"Transfer: Md. Kazi Mosharof Hossain (APNIC) to Md. Al-Amin Sardar Panna (APNIC)","explanation":"APNIC's transfer log records a transfer from Md. Kazi Mosharof Hossain (APNIC) to Md. Al-Amin Sardar Panna (APNIC) on 2022-05-30 00:17 UTC. The registration changed hands; it is not a new allocation from APNIC.","evidence":[{"type":"transfer","url":"https://ftp.apnic.net/stats/apnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T18:17:16+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2022-05-30 00:17 UTC, Md. Kazi Mosharof Hossain (APNIC) to Md. Al-Amin Sardar Panna (APNIC); resources moved: AS136482, 103.89.244.0/22, 160.238.33.0/24, 202.53.131.0/24, 202.53.132.0/24, 202.53.141.0/24"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2022/delegated-apnic-extended-20220530.gz","retrieved_at":"2026-10-13T00:13:36+00:00","summary":"APNIC delegated statistics 2022-05-30, before the change: allocated (dated 2019-03-28)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2022/delegated-apnic-extended-20220531.gz","retrieved_at":"2026-10-13T00:13:39+00:00","summary":"APNIC delegated statistics 2022-05-31, after the change: allocated (dated 2019-03-28)"}]},{"event_id":"782f2f7d1d982a15","registry":"APNIC","report_date":"2019-03-28","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"202.53.141.0/24","start":"202.53.141.0","end":"202.53.141.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"OBSERVED_ONLY","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":"2026-10-14T00:08:28+00:00","page":"https://rirtracker.com/ip/202.53.141.0-202.53.141.255/#e-782f2f7d1d982a15","report_page":"https://rirtracker.com/apnic/reports/2019-03-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/202.53.141.0-202.53.141.255.json","observed":"202.53.141.0/24 available on 2019-03-28, allocated on 2019-03-29","explanation":"No transfer record matches. APNIC's statistics show it available on 2019-03-28 and allocated (dated 2019-03-28) on 2019-03-29. The tracker saw this range released from hold on 2019-03-27 (202.53.141.0/24), so it appears to have been issued again from APNIC's pool. Another change to this range was reported the day before or after (2019-03-27: Released 202.53.141.0/24), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20190329.gz","retrieved_at":"2026-10-12T22:49:29+00:00","summary":"Found by comparing APNIC's daily statistics: 202.53.141.0/24 available on 2019-03-28, allocated on 2019-03-29"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20190328.gz","retrieved_at":"2026-10-12T22:49:26+00:00","summary":"APNIC delegated statistics 2019-03-28, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20190329.gz","retrieved_at":"2026-10-12T22:49:29+00:00","summary":"APNIC delegated statistics 2019-03-29, after the change: allocated (dated 2019-03-28)"}]},{"event_id":"2abfa944ada2d737","registry":"APNIC","report_date":"2019-03-27","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"ipv4","resource":"202.53.141.0/24","start":"202.53.141.0","end":"202.53.141.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (APNIC lists it as 'available')","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"APNIC's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:28+00:00","page":"https://rirtracker.com/ip/202.53.141.0-202.53.141.255/#e-2abfa944ada2d737","report_page":"https://rirtracker.com/apnic/reports/2019-03-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/202.53.141.0-202.53.141.255.json","observed":"202.53.141.0/24 reserved on 2019-03-27, available on 2019-03-28","explanation":"APNIC's statistics show it reserved on 2019-03-27 and available on 2019-03-28. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2018-03-20, 372 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2019-03-28: Added 202.53.141.0/24), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20190328.gz","retrieved_at":"2026-10-12T22:49:26+00:00","summary":"Found by comparing APNIC's daily statistics: 202.53.141.0/24 reserved on 2019-03-27, available on 2019-03-28"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20190327.gz","retrieved_at":"2026-10-12T22:49:22+00:00","summary":"APNIC delegated statistics 2019-03-27, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20190328.gz","retrieved_at":"2026-10-12T22:49:26+00:00","summary":"APNIC delegated statistics 2019-03-28, after the change: available"}]},{"event_id":"8b7936e5a6ac03f6","registry":"APNIC","report_date":"2018-03-20","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"202.53.141.0/24","start":"202.53.141.0","end":"202.53.141.255","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":"2026-10-14T00:07:06+00:00","page":"https://rirtracker.com/ip/202.53.141.0-202.53.141.255/#e-8b7936e5a6ac03f6","report_page":"https://rirtracker.com/apnic/reports/2018-03-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/202.53.141.0-202.53.141.255.json","observed":"202.53.141.0/24 allocated on 2018-03-20, reserved on 2018-03-21","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2019-03-20","availability_statement":"Possible reissue candidate after this date; not confirmed available","hold_rule_observed":true},"explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 1999-02-11) on 2018-03-20 and reserved on 2018-03-21. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2019-03-20. That is what APNIC has done, not a rule it states. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2018/delegated-apnic-extended-20180321.gz","retrieved_at":"2026-10-12T22:24:45+00:00","summary":"Found by comparing APNIC's daily statistics: 202.53.141.0/24 allocated on 2018-03-20, reserved on 2018-03-21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2018/delegated-apnic-extended-20180320.gz","retrieved_at":"2026-10-12T22:24:27+00:00","summary":"APNIC delegated statistics 2018-03-20, before the change: allocated (dated 1999-02-11)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2018/delegated-apnic-extended-20180321.gz","retrieved_at":"2026-10-12T22:24:45+00:00","summary":"APNIC delegated statistics 2018-03-21, after the change: reserved"}]}],"classification_history":{"d6d3cb0d6deae17c":[{"raw_change_id":38847,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:37:15+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Md. Kazi Mosharof Hossain (APNIC) to Md. Al-Amin Sardar Panna (APNIC) on 2022-05-30 00:17 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":38847,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:59+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Md. Kazi Mosharof Hossain (APNIC) to Md. Al-Amin Sardar Panna (APNIC) on 2022-05-30 00:17 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":38847,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:10+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Md. Kazi Mosharof Hossain (APNIC) to Md. Al-Amin Sardar Panna (APNIC) on 2022-05-30 00:17 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":38847,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:45+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Md. Kazi Mosharof Hossain (APNIC) to Md. Al-Amin Sardar Panna (APNIC) on 2022-05-30 00:17 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"782f2f7d1d982a15":[{"raw_change_id":416781,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:47:11+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2019-03-28 and allocated (dated 2019-03-28) on 2019-03-29. The tracker saw this range released from hold on 2019-03-27 (202.53.141.0/24), so it appears to have been issued again from APNIC's pool. Another change to this range was reported the day before or after (2019-03-27: Released 202.53.141.0/24), so the before-and-after statistics may include it."},{"raw_change_id":416781,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:53+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2019-03-28 and allocated (dated 2019-03-28) on 2019-03-29. The tracker saw this range released from hold on 2019-03-27 (202.53.141.0/24), so it appears to have been issued again from APNIC's pool. Another change to this range was reported the day before or after (2019-03-27: Released 202.53.141.0/24), so the before-and-after statistics may include it."},{"raw_change_id":416781,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:03:45+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2019-03-28 and allocated (dated 2019-03-28) on 2019-03-29. The tracker saw this range released from hold on 2019-03-27 (202.53.141.0/24), so it appears to have been issued again from APNIC's pool. Another change to this range was reported the day before or after (2019-03-27: Released 202.53.141.0/24), so the before-and-after statistics may include it."},{"raw_change_id":416781,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:28+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2019-03-28 and allocated (dated 2019-03-28) on 2019-03-29. The tracker saw this range released from hold on 2019-03-27 (202.53.141.0/24), so it appears to have been issued again from APNIC's pool. Another change to this range was reported the day before or after (2019-03-27: Released 202.53.141.0/24), so the before-and-after statistics may include it."}],"2abfa944ada2d737":[{"raw_change_id":416747,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:47:10+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2019-03-27 and available on 2019-03-28. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2018-03-20, 372 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2019-03-28: Added 202.53.141.0/24), so the before-and-after statistics may include it."},{"raw_change_id":416747,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:53+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2019-03-27 and available on 2019-03-28. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2018-03-20, 372 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2019-03-28: Added 202.53.141.0/24), so the before-and-after statistics may include it."},{"raw_change_id":416747,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:03:45+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2019-03-27 and available on 2019-03-28. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2018-03-20, 372 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2019-03-28: Added 202.53.141.0/24), so the before-and-after statistics may include it."},{"raw_change_id":416747,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:28+00:00","current":1,"public_explanation":"APNIC's statistics show it reserved on 2019-03-27 and available on 2019-03-28. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2018-03-20, 372 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2019-03-28: Added 202.53.141.0/24), so the before-and-after statistics may include it."}],"8b7936e5a6ac03f6":[{"raw_change_id":397750,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:39:22+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 allocated (dated 1999-02-11) on 2018-03-20 and reserved on 2018-03-21. 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":397750,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:45+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 allocated (dated 1999-02-11) on 2018-03-20 and reserved on 2018-03-21. 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":397750,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:32+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 allocated (dated 1999-02-11) on 2018-03-20 and reserved on 2018-03-21. 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":397750,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:06+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 allocated (dated 1999-02-11) on 2018-03-20 and reserved on 2018-03-21. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2019-03-20. That is what APNIC has done, not a rule it states. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}