{"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":"54.222.0.0/15","resource_type":"ipv4","page":"https://rirtracker.com/ip/54.222.0.0-54.223.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1992-03-17)"},"current_holder":{"rir":"APNIC","org":"China Internet Network Information Center/CHINANETCENTER","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":123952,"date":"2014-02-19T01:01:38Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Amazon Connection Technology Services (Beijing) Co., LTD","recipient_org":"China Internet Network Information Center/CHINANETCENTER","range":"54.222.0.0/15","log":"APNIC"},{"id":5415,"date":"2013-04-09T15:46:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Merck and Co., Inc.","recipient_org":null,"range":"54.222.0.0/15","log":"ARIN"},{"id":123850,"date":"2013-04-08T04:28:43Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"MERCK2","recipient_org":"Amazon Connection Technology Services (Beijing) Co., LTD","range":"54.222.0.0/15","log":"APNIC"}],"events":[{"event_id":"73aaee8c7e9a511f","registry":"APNIC","report_date":"2014-02-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"54.222.0.0/15","start":"54.222.0.0","end":"54.223.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Amazon Connection Technology Services (Beijing) Co., LTD","recipient_organization":"China Internet Network Information Center/CHINANETCENTER","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:29+00:00","page":"https://rirtracker.com/ip/54.222.0.0-54.223.255.255/#e-73aaee8c7e9a511f","report_page":"https://rirtracker.com/apnic/reports/2014-02-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/54.222.0.0-54.223.255.255.json","observed":"Transfer: Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) to China Internet Network Information Center/CHINANETCENTER (APNIC)","explanation":"APNIC's transfer log records a transfer from Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) to China Internet Network Information Center/CHINANETCENTER (APNIC) on 2014-02-19 01:01 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 2014-02-19 01:01 UTC, Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) to China Internet Network Information Center/CHINANETCENTER (APNIC); resources moved: 54.222.0.0/15"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140219.gz","retrieved_at":"2026-10-12T20:48:38+00:00","summary":"APNIC delegated statistics 2014-02-19, before the change: allocated (dated 1992-03-17)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140220.gz","retrieved_at":"2026-10-12T20:48:41+00:00","summary":"APNIC delegated statistics 2014-02-20, after the change: allocated (dated 1992-03-17)"}]},{"event_id":"fbcd19d69c2f022e","registry":"ARIN","report_date":"2013-04-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"54.222.0.0/15","start":"54.222.0.0","end":"54.223.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Merck and Co., Inc.","recipient_organization":null,"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":"2026-10-13T23:58:04+00:00","page":"https://rirtracker.com/ip/54.222.0.0-54.223.255.255/#e-fbcd19d69c2f022e","report_page":"https://rirtracker.com/arin/reports/2013-04-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/54.222.0.0-54.223.255.255.json","observed":"54.222.0.0/15 assigned on 2013-04-09, not listed on 2013-04-10","same_transfer_as":"e89ad0bbb86a6b9b","explanation":"ARIN's transfer log records a transfer from Merck and Co., Inc. (ARIN) to an unnamed organization (APNIC) on 2013-04-09 15:46 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/2013/delegated-arin-extended-20130410.gz","retrieved_at":"2026-10-12T19:57:12+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 54.222.0.0/15 assigned on 2013-04-09, not listed on 2013-04-10"},{"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 2013-04-09 15:46 UTC, Merck and Co., Inc. (ARIN) to (no name) (APNIC); resources moved: 54.222.0.0/15"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130408.gz","retrieved_at":"2026-10-12T19:57:07+00:00","summary":"ARIN delegated statistics 2013-04-08 (produced 2013-04-08T05:06:12+00:00), before the report: assigned (dated 1992-03-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130410.gz","retrieved_at":"2026-10-12T19:57:12+00:00","summary":"ARIN delegated statistics 2013-04-10 (produced 2013-04-10T05:06:30+00:00), after the report: not listed"}]},{"event_id":"e89ad0bbb86a6b9b","registry":"APNIC","report_date":"2013-04-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"54.222.0.0/15","start":"54.222.0.0","end":"54.223.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"MERCK2","recipient_organization":"Amazon Connection Technology Services (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":"2026-10-13T23:46:29+00:00","page":"https://rirtracker.com/ip/54.222.0.0-54.223.255.255/#e-e89ad0bbb86a6b9b","report_page":"https://rirtracker.com/apnic/reports/2013-04-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/54.222.0.0-54.223.255.255.json","observed":"Transfer: MERCK2 (ARIN) to Amazon Connection Technology Services (Beijing) Co., LTD (APNIC)","same_transfer_as":"fbcd19d69c2f022e","explanation":"APNIC's transfer log records a transfer from MERCK2 (ARIN) to Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) on 2013-04-08 04:28 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 2013-04-08 04:28 UTC, MERCK2 (ARIN) to Amazon Connection Technology Services (Beijing) Co., LTD (APNIC); resources moved: 54.222.0.0/15"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130408.gz","retrieved_at":"2026-10-12T20:30:33+00:00","summary":"APNIC delegated statistics 2013-04-08, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130409.gz","retrieved_at":"2026-10-12T20:30:36+00:00","summary":"APNIC delegated statistics 2013-04-09, after the change: allocated (dated 1992-03-17)"}]},{"event_id":"9e57bb6cd2ec33f2","registry":"ARIN","report_date":"2013-02-19","source":"arin_issued","raw_action":"ADD","raw_line":"Add 54.222.0.0-54.223.255.255","resource_type":"ipv4","resource":"54.222.0.0/15","start":"54.222.0.0","end":"54.223.255.255","classification":"RANGE_REPRESENTATION_CHANGE","classification_label":"Range split/merge or reporting-format change","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:03+00:00","page":"https://rirtracker.com/ip/54.222.0.0-54.223.255.255/#e-9e57bb6cd2ec33f2","report_page":"https://rirtracker.com/arin/reports/2013-02-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/54.222.0.0-54.223.255.255.json","explanation":"This range is part of a larger block from which a piece was transferred around 2013-02-19; the rest was re-registered to show the split. ARIN's statistics show it assigned (dated 1992-03-17) on 2013-02-18 and assigned (dated 2013-02-19) on 2013-02-20. (Until 2013-03-05, ARIN's statistics list only what's issued.)","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2013-February/001531.html","retrieved_at":"2026-10-12T18:37:50+00:00","summary":"ARIN-Issued report for 2013-02-19: \"Add 54.222.0.0-54.223.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130218.gz","retrieved_at":"2026-10-12T19:54:55+00:00","summary":"ARIN delegated statistics 2013-02-18, before the report: assigned (dated 1992-03-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130220.gz","retrieved_at":"2026-10-12T19:55:00+00:00","summary":"ARIN delegated statistics 2013-02-20, after the report: assigned (dated 2013-02-19)"},{"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 2013-02-19 20:04 UTC, Merck and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN); resources moved: 54.208.0.0/13"},{"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 2013-02-19 20:04 UTC, Merck and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN); resources moved: 54.216.0.0/14"},{"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 2013-02-19 20:04 UTC, Merck and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN); resources moved: 54.220.0.0/15"}]}],"classification_history":{"73aaee8c7e9a511f":[{"raw_change_id":32364,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:29+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) to China Internet Network Information Center/CHINANETCENTER (APNIC) on 2014-02-19 01:01 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32364,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:46+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) to China Internet Network Information Center/CHINANETCENTER (APNIC) on 2014-02-19 01:01 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32364,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:55+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) to China Internet Network Information Center/CHINANETCENTER (APNIC) on 2014-02-19 01:01 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32364,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:29+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) to China Internet Network Information Center/CHINANETCENTER (APNIC) on 2014-02-19 01:01 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"fbcd19d69c2f022e":[{"raw_change_id":257188,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:34:23+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Merck and Co., Inc. (ARIN) to an unnamed organization (APNIC) on 2013-04-09 15:46 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":257188,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:08+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Merck and Co., Inc. (ARIN) to an unnamed organization (APNIC) on 2013-04-09 15:46 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":257188,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:19+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Merck and Co., Inc. (ARIN) to an unnamed organization (APNIC) on 2013-04-09 15:46 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":257188,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:04+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Merck and Co., Inc. (ARIN) to an unnamed organization (APNIC) on 2013-04-09 15:46 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."}],"e89ad0bbb86a6b9b":[{"raw_change_id":32184,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:23+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MERCK2 (ARIN) to Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) on 2013-04-08 04:28 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32184,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:46+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MERCK2 (ARIN) to Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) on 2013-04-08 04:28 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32184,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:55+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MERCK2 (ARIN) to Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) on 2013-04-08 04:28 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32184,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:29+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from MERCK2 (ARIN) to Amazon Connection Technology Services (Beijing) Co., LTD (APNIC) on 2013-04-08 04:28 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"9e57bb6cd2ec33f2":[{"raw_change_id":128189,"classification_code":"RANGE_REPRESENTATION_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:19:49+00:00","current":0,"public_explanation":"This range is part of a larger block from which a piece was transferred around 2013-02-19; the rest was re-registered to show the split. ARIN's statistics show it assigned (dated 1992-03-17) on 2013-02-18 and assigned (dated 2013-02-19) on 2013-02-20. (Until 2013-03-05, ARIN's statistics list only what's issued.)"},{"raw_change_id":128189,"classification_code":"RANGE_REPRESENTATION_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:27+00:00","current":0,"public_explanation":"This range is part of a larger block from which a piece was transferred around 2013-02-19; the rest was re-registered to show the split. ARIN's statistics show it assigned (dated 1992-03-17) on 2013-02-18 and assigned (dated 2013-02-19) on 2013-02-20. (Until 2013-03-05, ARIN's statistics list only what's issued.)"},{"raw_change_id":128189,"classification_code":"RANGE_REPRESENTATION_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:02+00:00","current":0,"public_explanation":"This range is part of a larger block from which a piece was transferred around 2013-02-19; the rest was re-registered to show the split. ARIN's statistics show it assigned (dated 1992-03-17) on 2013-02-18 and assigned (dated 2013-02-19) on 2013-02-20. (Until 2013-03-05, ARIN's statistics list only what's issued.)"},{"raw_change_id":128189,"classification_code":"RANGE_REPRESENTATION_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:03+00:00","current":1,"public_explanation":"This range is part of a larger block from which a piece was transferred around 2013-02-19; the rest was re-registered to show the split. ARIN's statistics show it assigned (dated 1992-03-17) on 2013-02-18 and assigned (dated 2013-02-19) on 2013-02-20. (Until 2013-03-05, ARIN's statistics list only what's issued.)"}]},"arin_statistics_now":{"status":"not listed"}}