{"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":"103.153.66.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/103.153.66.0-103.153.66.255/","statistics_now":{"registry":"APNIC","status":"assigned (dated 2020-07-13)"},"current_holder":{"rir":"APNIC","org":"Windstream Communication Ltd","handle":"ORG-WSCL2-AP","how":"RDAP, looked up 2026-11-11 18:20 UTC"},"rdap_snapshots":[{"resource_type":"ipv4","start_key":"00000000000000000000000067994200","end_key":"000000000000000000000000679942ff","captured_at":"2026-11-11T18:20:04+00:00","reason":"7d","authoritative_rir":"APNIC","handle":"103.153.66.0 - 103.153.66.255","name":"WSCL-BD","status":"active","org_handle":"ORG-WSCL2-AP","org_name":"Windstream Communication Ltd","country_code":"BD","registration_date":"2026-11-03T08:02:15Z","last_changed_date":"2026-11-03T08:02:15Z","rdap_url":"https://rdap.apnic.net/ip/103.153.66.0"},{"resource_type":"ipv4","start_key":"00000000000000000000000067994200","end_key":"000000000000000000000000679942ff","captured_at":"2026-11-05T18:21:21+00:00","reason":"24h","authoritative_rir":"APNIC","handle":"103.153.66.0 - 103.153.66.255","name":"WSCL-BD","status":"active","org_handle":"ORG-WSCL2-AP","org_name":"Windstream Communication Ltd","country_code":"BD","registration_date":"2026-11-03T08:02:15Z","last_changed_date":"2026-11-03T08:02:15Z","rdap_url":"https://rdap.apnic.net/ip/103.153.66.0"},{"resource_type":"ipv4","start_key":"00000000000000000000000067994200","end_key":"000000000000000000000000679942ff","captured_at":"2026-11-03T18:23:38+00:00","reason":"first","authoritative_rir":"APNIC","handle":"103.153.66.0 - 103.153.66.255","name":"WSCL-BD","status":"active","org_handle":"ORG-WSCL2-AP","org_name":"Windstream Communication Ltd","country_code":"BD","registration_date":"2026-11-03T08:02:15Z","last_changed_date":"2026-11-03T08:02:15Z","rdap_url":"https://rdap.apnic.net/ip/103.153.66.0"}],"transfers":[{"id":134524,"date":"2026-11-03T08:01:40Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Mihir Kumar Datta","recipient_org":"Khadija Kabir Pinki","range":"103.153.66.0/24","log":"APNIC"}],"events":[{"event_id":"d9f55020dbc28772","registry":"APNIC","report_date":"2026-11-03","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"103.153.66.0/24","start":"103.153.66.0","end":"103.153.66.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Mihir Kumar Datta","recipient_organization":"Khadija Kabir Pinki","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-11-03T18:26:20+00:00","page":"https://rirtracker.com/ip/103.153.66.0-103.153.66.255/#e-d9f55020dbc28772","report_page":"https://rirtracker.com/apnic/reports/2026-11-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/103.153.66.0-103.153.66.255.json","observed":"Transfer: Mihir Kumar Datta (APNIC) to Khadija Kabir Pinki (APNIC)","explanation":"APNIC's transfer log records a transfer from Mihir Kumar Datta (APNIC) to Khadija Kabir Pinki (APNIC) on 2026-11-03 08:01 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":"2026-11-03T18:17:31+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-11-03 08:01 UTC, Mihir Kumar Datta (APNIC) to Khadija Kabir Pinki (APNIC); resources moved: 103.152.147.0/24, 103.153.66.0/24"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2026/delegated-apnic-extended-20261103.gz","retrieved_at":"2026-11-02T18:17:32+00:00","summary":"APNIC delegated statistics 2026-11-03, before the change: assigned (dated 2020-07-13)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2026/delegated-apnic-extended-20261104.gz","retrieved_at":"2026-11-03T18:17:33+00:00","summary":"APNIC delegated statistics 2026-11-04, after the change: assigned (dated 2020-07-13)"}]},{"event_id":"763cd49043d17233","registry":"APNIC","report_date":"2020-07-14","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"103.153.66.0/24","start":"103.153.66.0","end":"103.153.66.255","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":"2026-10-14T00:10:50+00:00","page":"https://rirtracker.com/ip/103.153.66.0-103.153.66.255/#e-763cd49043d17233","report_page":"https://rirtracker.com/apnic/reports/2020-07-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/103.153.66.0-103.153.66.255.json","observed":"103.153.66.0/24 available on 2020-07-14, assigned on 2020-07-15","explanation":"No transfer record matches. APNIC's statistics show it available on 2020-07-14 and assigned (dated 2020-07-13) on 2020-07-15. 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/2020/delegated-apnic-extended-20200715.gz","retrieved_at":"2026-10-12T23:23:24+00:00","summary":"Found by comparing APNIC's daily statistics: 103.153.66.0/24 available on 2020-07-14, assigned on 2020-07-15"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200714.gz","retrieved_at":"2026-10-12T23:23:21+00:00","summary":"APNIC delegated statistics 2020-07-14, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200715.gz","retrieved_at":"2026-10-12T23:23:24+00:00","summary":"APNIC delegated statistics 2020-07-15, after the change: assigned (dated 2020-07-13)"}]}],"classification_history":{"d9f55020dbc28772":[{"raw_change_id":579487,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-11-03T18:26:20+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Mihir Kumar Datta (APNIC) to Khadija Kabir Pinki (APNIC) on 2026-11-03 08:01 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"763cd49043d17233":[{"raw_change_id":450523,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:01:26+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2020-07-14 and assigned (dated 2020-07-13) on 2020-07-15. 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":450523,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:51+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2020-07-14 and assigned (dated 2020-07-13) on 2020-07-15. 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":450523,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:51+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2020-07-14 and assigned (dated 2020-07-13) on 2020-07-15. 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":450523,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:50+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2020-07-14 and assigned (dated 2020-07-13) on 2020-07-15. 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"}}