{"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":"161.120.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/161.120.0.0-161.120.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1992-07-14)"},"current_holder":{"rir":"APNIC","org":"Tencent Cloud Computing (Beijing) Co., Ltd","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":20861,"date":"2020-06-09T14:30:40Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Saint Gobain Abrasives, Inc.","recipient_org":"Tencent Cloud Computing (Beijing) Co., Ltd","range":"161.120.0.0/16","log":"ARIN"},{"id":126535,"date":"2020-06-09T06:16:29Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"NORTON","recipient_org":"Tencent Cloud Computing (Beijing) Co., Ltd","range":"161.120.0.0/16","log":"APNIC"}],"events":[{"event_id":"32c7c694b2ffe5a1","registry":"ARIN","report_date":"2020-06-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"161.120.0.0/16","start":"161.120.0.0","end":"161.120.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Saint Gobain Abrasives, Inc.","recipient_organization":"Tencent Cloud Computing (Beijing) Co., Ltd","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:08+00:00","page":"https://rirtracker.com/ip/161.120.0.0-161.120.255.255/#e-32c7c694b2ffe5a1","report_page":"https://rirtracker.com/arin/reports/2020-06-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.120.0.0-161.120.255.255.json","observed":"161.120.0.0/16 assigned on 2020-06-09, not listed on 2020-06-10","same_transfer_as":"b41a807c66c39ef8","explanation":"ARIN's transfer log records a transfer from Saint Gobain Abrasives, Inc. (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 14:30 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200610.gz","retrieved_at":"2026-10-12T22:25:33+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 161.120.0.0/16 assigned on 2020-06-09, not listed on 2020-06-10"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2020-06-09 14:30 UTC, Saint Gobain Abrasives, Inc. (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC); resources moved: 161.120.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200608.gz","retrieved_at":"2026-10-12T22:25:28+00:00","summary":"ARIN delegated statistics 2020-06-08 (produced 2020-06-08T14:00:13+00:00), before the report: assigned (dated 1992-07-14)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200610.gz","retrieved_at":"2026-10-12T22:25:33+00:00","summary":"ARIN delegated statistics 2020-06-10 (produced 2020-06-10T14:00:13+00:00), after the report: not listed"}]},{"event_id":"b41a807c66c39ef8","registry":"APNIC","report_date":"2020-06-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"161.120.0.0/16","start":"161.120.0.0","end":"161.120.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"NORTON","recipient_organization":"Tencent Cloud Computing (Beijing) Co., Ltd","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:39+00:00","page":"https://rirtracker.com/ip/161.120.0.0-161.120.255.255/#e-b41a807c66c39ef8","report_page":"https://rirtracker.com/apnic/reports/2020-06-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.120.0.0-161.120.255.255.json","observed":"Transfer: NORTON (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC)","same_transfer_as":"32c7c694b2ffe5a1","explanation":"APNIC's transfer log records a transfer from NORTON (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 06:16 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","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 2020-06-09 06:16 UTC, NORTON (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC); resources moved: 161.120.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200609.gz","retrieved_at":"2026-10-12T23:20:43+00:00","summary":"APNIC delegated statistics 2020-06-09, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200610.gz","retrieved_at":"2026-10-12T23:21:01+00:00","summary":"APNIC delegated statistics 2020-06-10, after the change: allocated (dated 1992-07-14)"}]}],"classification_history":{"32c7c694b2ffe5a1":[{"raw_change_id":398189,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:39:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Saint Gobain Abrasives, Inc. (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 14:30 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":398189,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:46+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Saint Gobain Abrasives, Inc. (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 14:30 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":398189,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:34+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Saint Gobain Abrasives, Inc. (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 14:30 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":398189,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:08+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Saint Gobain Abrasives, Inc. (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 14:30 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"b41a807c66c39ef8":[{"raw_change_id":36491,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:36:18+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NORTON (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 06:16 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36491,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:54+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NORTON (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 06:16 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36491,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:04+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NORTON (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 06:16 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36491,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:39+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from NORTON (ARIN) to Tencent Cloud Computing (Beijing) Co., Ltd (APNIC) on 2020-06-09 06:16 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"not listed"}}