{"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":"103.99.169.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/103.99.169.0-103.99.169.255/","statistics_now":{"registry":"APNIC","status":"assigned (dated 2017-08-28)"},"current_holder":{"rir":"APNIC","org":"Wiz & Associates K.K.","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":128446,"date":"2023-03-06T05:37:09Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"WIZ K.K.","recipient_org":"Mempool Space K.K.","range":"103.99.169.0/24","log":"APNIC"},{"id":134521,"date":"2023-03-06T05:37:09Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"WIZ K.K.","recipient_org":"Wiz & Associates K.K.","range":"103.99.169.0/24","log":"APNIC"}],"events":[{"event_id":"bc21d50eea5e0292","registry":"APNIC","report_date":"2023-03-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"103.99.169.0/24","start":"103.99.169.0","end":"103.99.169.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"WIZ K.K.","recipient_organization":"Wiz & Associates K.K.","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/103.99.169.0-103.99.169.255/#e-bc21d50eea5e0292","report_page":"https://rirtracker.com/apnic/reports/2023-03-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/103.99.169.0-103.99.169.255.json","observed":"Transfer: WIZ K.K. (APNIC) to Wiz & Associates K.K. (APNIC)","piece_of":{"resource":"103.99.168.0/22","page":"https://rirtracker.com/ip/103.99.168.0-103.99.171.255/"},"explanation":"APNIC's transfer log records a transfer from WIZ K.K. (APNIC) to Wiz & Associates K.K. (APNIC) on 2023-03-06 05:37 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 2023-03-06 05:37 UTC, WIZ K.K. (APNIC) to Wiz & Associates K.K. (APNIC); resources moved: 103.99.169.0/24, 103.99.170.0/23"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230306.gz","retrieved_at":"2026-10-13T00:34:38+00:00","summary":"APNIC delegated statistics 2023-03-06, before the change: allocated (dated 2017-08-28)"},{"type":"delegated_after","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, after the change: assigned (dated 2017-08-28)"}]},{"event_id":"17626fa5c94ba048","registry":"APNIC","report_date":"2023-03-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"103.99.169.0/24","start":"103.99.169.0","end":"103.99.169.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"WIZ K.K.","recipient_organization":"Mempool Space K.K.","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/103.99.169.0-103.99.169.255/#e-17626fa5c94ba048","report_page":"https://rirtracker.com/apnic/reports/2023-03-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/103.99.169.0-103.99.169.255.json","observed":"Transfer: WIZ K.K. (APNIC) to Mempool Space K.K. (APNIC)","piece_of":{"resource":"103.99.168.0/22","page":"https://rirtracker.com/ip/103.99.168.0-103.99.171.255/"},"explanation":"APNIC's transfer log records a transfer from WIZ K.K. (APNIC) to Mempool Space K.K. (APNIC) on 2023-03-06 05:37 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 2023-03-06 05:37 UTC, WIZ K.K. (APNIC) to Mempool Space K.K. (APNIC); resources moved: 103.99.169.0/24, 103.99.170.0/23"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230306.gz","retrieved_at":"2026-10-13T00:34:38+00:00","summary":"APNIC delegated statistics 2023-03-06, before the change: allocated (dated 2017-08-28)"},{"type":"delegated_after","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, after the change: assigned (dated 2017-08-28)"}]}],"classification_history":{"bc21d50eea5e0292":[{"raw_change_id":579482,"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 WIZ K.K. (APNIC) to Wiz & Associates K.K. (APNIC) on 2023-03-06 05:37 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"17626fa5c94ba048":[{"raw_change_id":39527,"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 WIZ K.K. (APNIC) to Mempool Space K.K. (APNIC) on 2023-03-06 05:37 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":39527,"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 WIZ K.K. (APNIC) to Mempool Space K.K. (APNIC) on 2023-03-06 05:37 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":39527,"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 WIZ K.K. (APNIC) to Mempool Space K.K. (APNIC) on 2023-03-06 05:37 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":39527,"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 WIZ K.K. (APNIC) to Mempool Space K.K. (APNIC) on 2023-03-06 05:37 UTC. The registration changed hands; it is not a new allocation from APNIC."}]},"arin_statistics_now":{"status":"not listed"}}