{"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":"162.255.48.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/162.255.48.0-162.255.51.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2014-05-09)"},"current_holder":{"rir":"APNIC","org":"China Unicom(Hong Kong) Operations Limited","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":15695,"date":"2018-11-05T13:31:59Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Intelligent Holdings, Inc.","recipient_org":"China Unicom(Hong Kong) Operations Limited","range":"162.255.48.0/22","log":"ARIN"},{"id":125936,"date":"2018-11-05T12:37:02Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"IH-15","recipient_org":"China Unicom (Hong Kong) Operations Limited","range":"162.255.48.0/22","log":"APNIC"},{"id":15153,"date":"2018-10-01T14:28:10Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Minkett, LLC","recipient_org":"Intelligent Holdings, Inc.","range":"162.255.48.0/22","log":"ARIN"}],"events":[{"event_id":"da30fc8ecb20064a","registry":"ARIN","report_date":"2018-11-05","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"162.255.48.0/22","start":"162.255.48.0","end":"162.255.51.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Intelligent Holdings, Inc.","recipient_organization":"China Unicom(Hong Kong) Operations Limited","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":"2026-10-14T00:04:53+00:00","page":"https://rirtracker.com/ip/162.255.48.0-162.255.51.255/#e-da30fc8ecb20064a","report_page":"https://rirtracker.com/arin/reports/2018-11-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.255.48.0-162.255.51.255.json","observed":"162.255.48.0/22 assigned on 2018-11-05, not listed on 2018-11-06","same_transfer_as":"e9b076deee9fdf56","explanation":"ARIN's transfer log records a transfer from Intelligent Holdings, Inc. (ARIN) to China Unicom(Hong Kong) Operations Limited (APNIC) on 2018-11-05 13:31 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/2018/delegated-arin-extended-20181106.gz","retrieved_at":"2026-10-12T21:55:11+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 162.255.48.0/22 assigned on 2018-11-05, not listed on 2018-11-06"},{"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 2018-11-05 13:31 UTC, Intelligent Holdings, Inc. (ARIN) to China Unicom(Hong Kong) Operations Limited (APNIC); resources moved: 162.255.48.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181104.gz","retrieved_at":"2026-10-12T21:55:06+00:00","summary":"ARIN delegated statistics 2018-11-04 (produced 2018-11-04T05:00:11+00:00), before the report: assigned (dated 2014-05-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181106.gz","retrieved_at":"2026-10-12T21:55:11+00:00","summary":"ARIN delegated statistics 2018-11-06 (produced 2018-11-06T06:00:09+00:00), after the report: not listed"}]},{"event_id":"e9b076deee9fdf56","registry":"APNIC","report_date":"2018-11-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"162.255.48.0/22","start":"162.255.48.0","end":"162.255.51.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"IH-15","recipient_organization":"China Unicom (Hong Kong) Operations 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":"2026-10-13T23:46:37+00:00","page":"https://rirtracker.com/ip/162.255.48.0-162.255.51.255/#e-e9b076deee9fdf56","report_page":"https://rirtracker.com/apnic/reports/2018-11-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.255.48.0-162.255.51.255.json","observed":"Transfer: IH-15 (ARIN) to China Unicom (Hong Kong) Operations Limited (APNIC)","same_transfer_as":"da30fc8ecb20064a","explanation":"APNIC's transfer log records a transfer from IH-15 (ARIN) to China Unicom (Hong Kong) Operations Limited (APNIC) on 2018-11-05 12:37 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 2018-11-05 12:37 UTC, IH-15 (ARIN) to China Unicom (Hong Kong) Operations Limited (APNIC); resources moved: 162.219.32.0/21, 162.219.80.0/21, 162.255.48.0/22"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2018/delegated-apnic-extended-20181105.gz","retrieved_at":"2026-10-12T22:39:52+00:00","summary":"APNIC delegated statistics 2018-11-05, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2018/delegated-apnic-extended-20181106.gz","retrieved_at":"2026-10-12T22:39:55+00:00","summary":"APNIC delegated statistics 2018-11-06, after the change: allocated (dated 2014-05-09)"}]},{"event_id":"29726c00ec99e665","registry":"ARIN","report_date":"2018-10-01","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"162.255.48.0/22","start":"162.255.48.0","end":"162.255.51.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Minkett, LLC","recipient_organization":"Intelligent Holdings, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:39+00:00","page":"https://rirtracker.com/ip/162.255.48.0-162.255.51.255/#e-29726c00ec99e665","report_page":"https://rirtracker.com/arin/reports/2018-10-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.255.48.0-162.255.51.255.json","observed":"Merger/acquisition: Minkett, LLC (ARIN) to Intelligent Holdings, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Minkett, LLC (ARIN) to Intelligent Holdings, Inc. (ARIN) on 2018-10-01 14:28 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"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: MERGER_ACQUISITION on 2018-10-01 14:28 UTC, Minkett, LLC (ARIN) to Intelligent Holdings, Inc. (ARIN); resources moved: 162.255.48.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180930.gz","retrieved_at":"2026-10-12T21:53:22+00:00","summary":"ARIN delegated statistics 2018-09-30 (produced 2018-09-30T05:00:14+00:00), before the report: allocated (dated 2014-05-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181002.gz","retrieved_at":"2026-10-12T21:53:27+00:00","summary":"ARIN delegated statistics 2018-10-02 (produced 2018-10-02T05:00:18+00:00), after the report: assigned (dated 2014-05-09)"}]},{"event_id":"436168ff3f8c4e30","registry":"ARIN","report_date":"2014-05-09","source":"arin_issued","raw_action":"ADD","raw_line":"Add 162.255.48.0-162.255.51.255","resource_type":"ipv4","resource":"162.255.48.0/22","start":"162.255.48.0","end":"162.255.51.255","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 ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:12+00:00","page":"https://rirtracker.com/ip/162.255.48.0-162.255.51.255/#e-436168ff3f8c4e30","report_page":"https://rirtracker.com/arin/reports/2014-05-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.255.48.0-162.255.51.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-05-08 and allocated (dated 2014-05-09) on 2014-05-10. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-May/001976.html","retrieved_at":"2026-10-12T18:38:22+00:00","summary":"ARIN-Issued report for 2014-05-09: \"Add 162.255.48.0-162.255.51.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140508.gz","retrieved_at":"2026-10-12T20:15:54+00:00","summary":"ARIN delegated statistics 2014-05-08 (produced 2014-05-08T05:04:17+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140510.gz","retrieved_at":"2026-10-12T20:15:59+00:00","summary":"ARIN delegated statistics 2014-05-10 (produced 2014-05-10T05:03:55+00:00), after the report: allocated (dated 2014-05-09)"}]}],"classification_history":{"da30fc8ecb20064a":[{"raw_change_id":362792,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:25:12+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Intelligent Holdings, Inc. (ARIN) to China Unicom(Hong Kong) Operations Limited (APNIC) on 2018-11-05 13:31 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":362792,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:55+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Intelligent Holdings, Inc. (ARIN) to China Unicom(Hong Kong) Operations Limited (APNIC) on 2018-11-05 13:31 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":362792,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:33+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Intelligent Holdings, Inc. (ARIN) to China Unicom(Hong Kong) Operations Limited (APNIC) on 2018-11-05 13:31 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":362792,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:53+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Intelligent Holdings, Inc. (ARIN) to China Unicom(Hong Kong) Operations Limited (APNIC) on 2018-11-05 13:31 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."}],"e9b076deee9fdf56":[{"raw_change_id":35564,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:35:52+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from IH-15 (ARIN) to China Unicom (Hong Kong) Operations Limited (APNIC) on 2018-11-05 12:37 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":35564,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:52+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from IH-15 (ARIN) to China Unicom (Hong Kong) Operations Limited (APNIC) on 2018-11-05 12:37 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":35564,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:02+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from IH-15 (ARIN) to China Unicom (Hong Kong) Operations Limited (APNIC) on 2018-11-05 12:37 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":35564,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:37+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from IH-15 (ARIN) to China Unicom (Hong Kong) Operations Limited (APNIC) on 2018-11-05 12:37 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"29726c00ec99e665":[{"raw_change_id":556324,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:39+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Minkett, LLC (ARIN) to Intelligent Holdings, Inc. (ARIN) on 2018-10-01 14:28 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}],"436168ff3f8c4e30":[{"raw_change_id":132238,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:24:36+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-05-08 and allocated (dated 2014-05-09) on 2014-05-10. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":132238,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:34+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-05-08 and allocated (dated 2014-05-09) on 2014-05-10. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":132238,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:09+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-05-08 and allocated (dated 2014-05-09) on 2014-05-10. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":132238,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:12+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-05-08 and allocated (dated 2014-05-09) on 2014-05-10. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"not listed"}}