{"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":"43.243.132.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/43.243.132.0-43.243.135.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2015-12-11)"},"current_holder":{"rir":"APNIC","org":"CMPak Limited","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":128454,"date":"2023-03-07T07:05:27Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"MD. Majethul Hoque Maruf","recipient_org":"CMPak Limited","range":"43.243.132.0/22","log":"APNIC"}],"events":[{"event_id":"6f216db2a5dc4fcc","registry":"APNIC","report_date":"2023-03-07","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"43.243.132.0/22","start":"43.243.132.0","end":"43.243.135.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"MD. Majethul Hoque Maruf","recipient_organization":"CMPak Limited","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:47+00:00","page":"https://rirtracker.com/ip/43.243.132.0-43.243.135.255/#e-6f216db2a5dc4fcc","report_page":"https://rirtracker.com/apnic/reports/2023-03-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/43.243.132.0-43.243.135.255.json","observed":"Transfer: MD. Majethul Hoque Maruf (APNIC) to CMPak Limited (APNIC)","explanation":"APNIC's transfer log records a transfer from MD. Majethul Hoque Maruf (APNIC) to CMPak Limited (APNIC) on 2023-03-07 07:05 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 2023-03-07 07:05 UTC, MD. Majethul Hoque Maruf (APNIC) to CMPak Limited (APNIC); resources moved: 43.243.132.0/22"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230307.gz","retrieved_at":"2026-10-13T00:34:42+00:00","summary":"APNIC delegated statistics 2023-03-07, before the change: allocated (dated 2015-12-11)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230308.gz","retrieved_at":"2026-10-13T00:34:46+00:00","summary":"APNIC delegated statistics 2023-03-08, after the change: allocated (dated 2015-12-11)"}]},{"event_id":"684e0697f8f27dad","registry":"APNIC","report_date":"2015-12-11","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"43.243.132.0/22","start":"43.243.132.0","end":"43.243.135.255","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":"2026-10-14T00:03:09+00:00","page":"https://rirtracker.com/ip/43.243.132.0-43.243.135.255/#e-684e0697f8f27dad","report_page":"https://rirtracker.com/apnic/reports/2015-12-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/43.243.132.0-43.243.135.255.json","observed":"43.243.132.0/22 available on 2015-12-11, allocated on 2015-12-12","explanation":"No transfer record matches. APNIC's statistics show it available on 2015-12-11 and allocated (dated 2015-12-11) on 2015-12-12. The tracker saw this range released from hold on 2015-12-09 (43.243.132.0/22), so it appears to have been issued again from APNIC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151212.gz","retrieved_at":"2026-10-12T21:29:31+00:00","summary":"Found by comparing APNIC's daily statistics: 43.243.132.0/22 available on 2015-12-11, allocated on 2015-12-12"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151211.gz","retrieved_at":"2026-10-12T21:29:27+00:00","summary":"APNIC delegated statistics 2015-12-11, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151212.gz","retrieved_at":"2026-10-12T21:29:31+00:00","summary":"APNIC delegated statistics 2015-12-12, after the change: allocated (dated 2015-12-11)"}]},{"event_id":"03f86f00acf460c4","registry":"APNIC","report_date":"2015-12-09","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"ipv4","resource":"43.243.132.0/22","start":"43.243.132.0","end":"43.243.135.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (APNIC lists it as 'available')","confidence":"STRONG_INFERENCE","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":"2026-10-14T00:03:09+00:00","page":"https://rirtracker.com/ip/43.243.132.0-43.243.135.255/#e-03f86f00acf460c4","report_page":"https://rirtracker.com/apnic/reports/2015-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/43.243.132.0-43.243.135.255.json","observed":"43.243.132.0/22 reserved on 2015-12-09, available on 2015-12-10","explanation":"APNIC's statistics show it reserved on 2015-12-09 and available on 2015-12-10. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2014-09-14, 451 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151210.gz","retrieved_at":"2026-10-12T21:29:24+00:00","summary":"Found by comparing APNIC's daily statistics: 43.243.132.0/22 reserved on 2015-12-09, available on 2015-12-10"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151209.gz","retrieved_at":"2026-10-12T21:29:21+00:00","summary":"APNIC delegated statistics 2015-12-09, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151210.gz","retrieved_at":"2026-10-12T21:29:24+00:00","summary":"APNIC delegated statistics 2015-12-10, after the change: available"}]},{"event_id":"6145a242232e427d","registry":"APNIC","report_date":"2014-09-14","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"43.243.132.0/22","start":"43.243.132.0","end":"43.243.135.255","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":"2026-10-14T00:01:29+00:00","page":"https://rirtracker.com/ip/43.243.132.0-43.243.135.255/#e-6145a242232e427d","report_page":"https://rirtracker.com/apnic/reports/2014-09-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/43.243.132.0-43.243.135.255.json","observed":"43.243.132.0/22 allocated on 2014-09-14, reserved on 2014-09-15","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2015-09-14","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 2014-09-12) on 2014-09-14 and reserved on 2014-09-15. 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 2015-09-14. 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/2014/delegated-apnic-extended-20140915.gz","retrieved_at":"2026-10-12T21:01:19+00:00","summary":"Found by comparing APNIC's daily statistics: 43.243.132.0/22 allocated on 2014-09-14, reserved on 2014-09-15"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140914.gz","retrieved_at":"2026-10-12T21:01:16+00:00","summary":"APNIC delegated statistics 2014-09-14, before the change: allocated (dated 2014-09-12)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140915.gz","retrieved_at":"2026-10-12T21:01:19+00:00","summary":"APNIC delegated statistics 2014-09-15, after the change: reserved"}]},{"event_id":"18ee96be831b840f","registry":"APNIC","report_date":"2014-09-12","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"43.243.132.0/22","start":"43.243.132.0","end":"43.243.135.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","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":"2026-10-14T00:01:29+00:00","page":"https://rirtracker.com/ip/43.243.132.0-43.243.135.255/#e-18ee96be831b840f","report_page":"https://rirtracker.com/apnic/reports/2014-09-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/43.243.132.0-43.243.135.255.json","observed":"43.243.132.0/22 available on 2014-09-12, allocated on 2014-09-13","explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-12 and allocated (dated 2014-09-12) on 2014-09-13. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140913.gz","retrieved_at":"2026-10-12T21:01:13+00:00","summary":"Found by comparing APNIC's daily statistics: 43.243.132.0/22 available on 2014-09-12, allocated on 2014-09-13"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140912.gz","retrieved_at":"2026-10-12T21:01:10+00:00","summary":"APNIC delegated statistics 2014-09-12, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140913.gz","retrieved_at":"2026-10-12T21:01:13+00:00","summary":"APNIC delegated statistics 2014-09-13, after the change: allocated (dated 2014-09-12)"}]}],"classification_history":{"6f216db2a5dc4fcc":[{"raw_change_id":39537,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:37:32+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MD. Majethul Hoque Maruf (APNIC) to CMPak Limited (APNIC) on 2023-03-07 07:05 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":39537,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:00+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MD. Majethul Hoque Maruf (APNIC) to CMPak Limited (APNIC) on 2023-03-07 07:05 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":39537,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:11+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MD. Majethul Hoque Maruf (APNIC) to CMPak Limited (APNIC) on 2023-03-07 07:05 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":39537,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:47+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from MD. Majethul Hoque Maruf (APNIC) to CMPak Limited (APNIC) on 2023-03-07 07:05 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"684e0697f8f27dad":[{"raw_change_id":336251,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:12:45+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2015-12-11 and allocated (dated 2015-12-11) on 2015-12-12. The tracker saw this range released from hold on 2015-12-09 (43.243.132.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":336251,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:29+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2015-12-11 and allocated (dated 2015-12-11) on 2015-12-12. The tracker saw this range released from hold on 2015-12-09 (43.243.132.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":336251,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:01+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2015-12-11 and allocated (dated 2015-12-11) on 2015-12-12. The tracker saw this range released from hold on 2015-12-09 (43.243.132.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":336251,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:09+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2015-12-11 and allocated (dated 2015-12-11) on 2015-12-12. The tracker saw this range released from hold on 2015-12-09 (43.243.132.0/22), so it appears to have been issued again from APNIC's pool."}],"03f86f00acf460c4":[{"raw_change_id":336166,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:12:42+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2015-12-09 and available on 2015-12-10. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2014-09-14, 451 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":336166,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:29+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2015-12-09 and available on 2015-12-10. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2014-09-14, 451 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":336166,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:01+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2015-12-09 and available on 2015-12-10. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2014-09-14, 451 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":336166,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:09+00:00","current":1,"public_explanation":"APNIC's statistics show it reserved on 2015-12-09 and available on 2015-12-10. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2014-09-14, 451 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."}],"6145a242232e427d":[{"raw_change_id":310228,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:00:23+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 2014-09-12) on 2014-09-14 and reserved on 2014-09-15. 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":310228,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:04+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 2014-09-12) on 2014-09-14 and reserved on 2014-09-15. 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":310228,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:30+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 2014-09-12) on 2014-09-14 and reserved on 2014-09-15. 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":310228,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:29+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 2014-09-12) on 2014-09-14 and reserved on 2014-09-15. 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 2015-09-14. That is what APNIC has done, not a rule it states. This does not confirm availability."}],"18ee96be831b840f":[{"raw_change_id":310199,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:00:23+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-12 and allocated (dated 2014-09-12) on 2014-09-13. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":310199,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:04+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-12 and allocated (dated 2014-09-12) on 2014-09-13. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":310199,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:30+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-12 and allocated (dated 2014-09-12) on 2014-09-13. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":310199,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:29+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-12 and allocated (dated 2014-09-12) on 2014-09-13. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."}]},"arin_statistics_now":{"status":"not listed"}}