{"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":"164.52.0.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/164.52.0.0-164.52.127.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1992-11-24)"},"current_holder":{"rir":"APNIC","org":"Capital Online Data Service (HK) Co., Ltd.","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":7768,"date":"2016-09-07T15:37:57Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Unified Grocers, Inc.","recipient_org":"Capital Online Data Service (HK) Co., Ltd.","range":"164.52.0.0/17","log":"ARIN"},{"id":124665,"date":"2016-09-07T04:53:22Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"UNIFI-57","recipient_org":"Capitalonline Data Service (HK) Co., Limited","range":"164.52.0.0/17","log":"APNIC"},{"id":6497,"date":"2016-02-19T19:00:24Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Associated Grocers, Inc.","recipient_org":"Unified Grocers, Inc.","range":"164.52.0.0/16","log":"ARIN"}],"events":[{"event_id":"4a258aa3a58849d5","registry":"ARIN","report_date":"2016-09-07","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"164.52.0.0/17","start":"164.52.0.0","end":"164.52.127.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Unified Grocers, Inc.","recipient_organization":"Capital Online Data Service (HK) 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":"2026-10-14T00:02:18+00:00","page":"https://rirtracker.com/ip/164.52.0.0-164.52.127.255/#e-4a258aa3a58849d5","report_page":"https://rirtracker.com/arin/reports/2016-09-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/164.52.0.0-164.52.127.255.json","observed":"164.52.0.0/17 assigned on 2016-09-07, not listed on 2016-09-08","same_transfer_as":"fa4542c72dc665b0","explanation":"ARIN's transfer log records a transfer from Unified Grocers, Inc. (ARIN) to Capital Online Data Service (HK) Co., Ltd. (APNIC) on 2016-09-07 15:37 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/2016/delegated-arin-extended-20160908.gz","retrieved_at":"2026-10-12T21:16:01+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 164.52.0.0/17 assigned on 2016-09-07, not listed on 2016-09-08"},{"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 2016-09-07 15:37 UTC, Unified Grocers, Inc. (ARIN) to Capital Online Data Service (HK) Co., Ltd. (APNIC); resources moved: 164.52.0.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160906.gz","retrieved_at":"2026-10-12T21:15:56+00:00","summary":"ARIN delegated statistics 2016-09-06 (produced 2016-09-06T05:09:40+00:00), before the report: assigned (dated 1992-11-24)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160908.gz","retrieved_at":"2026-10-12T21:16:01+00:00","summary":"ARIN delegated statistics 2016-09-08 (produced 2016-09-08T05:09:30+00:00), after the report: not listed"}]},{"event_id":"fa4542c72dc665b0","registry":"APNIC","report_date":"2016-09-07","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"164.52.0.0/17","start":"164.52.0.0","end":"164.52.127.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"UNIFI-57","recipient_organization":"Capitalonline Data Service (HK) Co., Limited","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:33+00:00","page":"https://rirtracker.com/ip/164.52.0.0-164.52.127.255/#e-fa4542c72dc665b0","report_page":"https://rirtracker.com/apnic/reports/2016-09-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/164.52.0.0-164.52.127.255.json","observed":"Transfer: UNIFI-57 (ARIN) to Capitalonline Data Service (HK) Co., Limited (APNIC)","same_transfer_as":"4a258aa3a58849d5","explanation":"APNIC's transfer log records a transfer from UNIFI-57 (ARIN) to Capitalonline Data Service (HK) Co., Limited (APNIC) on 2016-09-07 04:53 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 2016-09-07 04:53 UTC, UNIFI-57 (ARIN) to Capitalonline Data Service (HK) Co., Limited (APNIC); resources moved: 164.52.0.0/17"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160907.gz","retrieved_at":"2026-10-12T21:47:00+00:00","summary":"APNIC delegated statistics 2016-09-07, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160908.gz","retrieved_at":"2026-10-12T21:47:04+00:00","summary":"APNIC delegated statistics 2016-09-08, after the change: allocated (dated 1992-11-24)"}]}],"classification_history":{"4a258aa3a58849d5":[{"raw_change_id":322844,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:06:11+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Unified Grocers, Inc. (ARIN) to Capital Online Data Service (HK) Co., Ltd. (APNIC) on 2016-09-07 15:37 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":322844,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:46+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Unified Grocers, Inc. (ARIN) to Capital Online Data Service (HK) Co., Ltd. (APNIC) on 2016-09-07 15:37 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":322844,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:15+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Unified Grocers, Inc. (ARIN) to Capital Online Data Service (HK) Co., Ltd. (APNIC) on 2016-09-07 15:37 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":322844,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:18+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Unified Grocers, Inc. (ARIN) to Capital Online Data Service (HK) Co., Ltd. (APNIC) on 2016-09-07 15:37 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."}],"fa4542c72dc665b0":[{"raw_change_id":33826,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:35:08+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from UNIFI-57 (ARIN) to Capitalonline Data Service (HK) Co., Limited (APNIC) on 2016-09-07 04:53 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":33826,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:49+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from UNIFI-57 (ARIN) to Capitalonline Data Service (HK) Co., Limited (APNIC) on 2016-09-07 04:53 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":33826,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:58+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from UNIFI-57 (ARIN) to Capitalonline Data Service (HK) Co., Limited (APNIC) on 2016-09-07 04:53 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":33826,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:33+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from UNIFI-57 (ARIN) to Capitalonline Data Service (HK) Co., Limited (APNIC) on 2016-09-07 04:53 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"}}