{"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":"122.10.138.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/122.10.138.0-122.10.139.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2006-08-14)"},"current_holder":{"rir":"APNIC","org":"Zenlayer (Singapore) PTE. LTD","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":126275,"date":"2019-09-23T04:11:19Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Beijing CNISP Technology Co., Ltd.","recipient_org":"Zenlayer (Singapore) PTE. LTD","range":"122.10.138.0/23","log":"APNIC"}],"events":[{"event_id":"a8ca4b0729383519","registry":"APNIC","report_date":"2019-09-23","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"122.10.138.0/23","start":"122.10.138.0","end":"122.10.139.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Beijing CNISP Technology Co., Ltd.","recipient_organization":"Zenlayer (Singapore) PTE. LTD","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:38+00:00","page":"https://rirtracker.com/ip/122.10.138.0-122.10.139.255/#e-a8ca4b0729383519","report_page":"https://rirtracker.com/apnic/reports/2019-09-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/122.10.138.0-122.10.139.255.json","observed":"Transfer: Beijing CNISP Technology Co., Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC)","explanation":"APNIC's transfer log records a transfer from Beijing CNISP Technology Co., Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC) on 2019-09-23 04:11 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 2019-09-23 04:11 UTC, Beijing CNISP Technology Co., Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC); resources moved: 122.10.134.0/23, 122.10.138.0/23, 122.10.140.0/22, 122.10.144.0/20, 122.10.160.0/22, 122.10.196.0/22, 122.10.220.0/22, 122.10.224.0/22, 122.10.244.0/22, 122.10.248.0/21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20190923.gz","retrieved_at":"2026-10-12T23:02:34+00:00","summary":"APNIC delegated statistics 2019-09-23, before the change: allocated (dated 2006-08-14)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20190924.gz","retrieved_at":"2026-10-12T23:02:38+00:00","summary":"APNIC delegated statistics 2019-09-24, after the change: allocated (dated 2006-08-14)"}]}],"classification_history":{"a8ca4b0729383519":[{"raw_change_id":36051,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:36:04+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Beijing CNISP Technology Co., Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC) on 2019-09-23 04:11 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":36051,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:53+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Beijing CNISP Technology Co., Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC) on 2019-09-23 04:11 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":36051,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:03+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Beijing CNISP Technology Co., Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC) on 2019-09-23 04:11 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":36051,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:38+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Beijing CNISP Technology Co., Ltd. (APNIC) to Zenlayer (Singapore) PTE. LTD (APNIC) on 2019-09-23 04:11 UTC. The registration changed hands; it is not a new allocation from APNIC."}]},"arin_statistics_now":{"status":"not listed"}}