{"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":"64.236.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/64.236.0.0-64.236.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2000-02-02)"},"current_holder":{"rir":"RIPE NCC","org":"Microsoft Limited","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":104373,"date":"2024-04-03T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Microsoft Limited","range":"64.236.0.0/16","log":"RIPE NCC"},{"id":35167,"date":"2024-04-03T14:06:46Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Edgecast Inc.","recipient_org":"Microsoft Limited","range":"64.236.0.0/16","log":"ARIN"},{"id":33348,"date":"2023-10-17T16:39:26Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Oath Holdings Inc.","recipient_org":"Edgecast Inc.","range":"64.236.0.0/16","log":"ARIN"},{"id":17184,"date":"2019-03-22T20:12:05Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AOL Transit Data Network","recipient_org":"Oath Holdings Inc.","range":"64.236.0.0/16","log":"ARIN"}],"events":[{"event_id":"aef8c6822a0ca7e2","registry":"ARIN","report_date":"2024-04-03","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"64.236.0.0/16","start":"64.236.0.0","end":"64.236.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Edgecast Inc.","recipient_organization":"Microsoft 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":"2026-10-14T00:11:49+00:00","page":"https://rirtracker.com/ip/64.236.0.0-64.236.255.255/#e-aef8c6822a0ca7e2","report_page":"https://rirtracker.com/arin/reports/2024-04-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/64.236.0.0-64.236.255.255.json","observed":"64.236.0.0/16 allocated on 2024-04-03, not listed on 2024-04-04","same_transfer_as":"08202ffdd2d62cf7","explanation":"ARIN's transfer log records a transfer from Edgecast Inc. (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 14:06 UTC: it left ARIN for the RIPE NCC. 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/2024/delegated-arin-extended-20240404.gz","retrieved_at":"2026-10-12T23:37:49+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 64.236.0.0/16 allocated on 2024-04-03, not listed on 2024-04-04"},{"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 2024-04-03 14:06 UTC, Edgecast Inc. (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 64.236.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240402.gz","retrieved_at":"2026-10-12T23:37:44+00:00","summary":"ARIN delegated statistics 2024-04-02 (produced 2024-04-02T13:00:50+00:00), before the report: allocated (dated 2000-02-02)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240404.gz","retrieved_at":"2026-10-12T23:37:49+00:00","summary":"ARIN delegated statistics 2024-04-04 (produced 2024-04-04T13:00:49+00:00), after the report: not listed"}]},{"event_id":"08202ffdd2d62cf7","registry":"RIPE NCC","report_date":"2024-04-03","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"64.236.0.0/16","start":"64.236.0.0","end":"64.236.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Microsoft Limited","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:59+00:00","page":"https://rirtracker.com/ip/64.236.0.0-64.236.255.255/#e-08202ffdd2d62cf7","report_page":"https://rirtracker.com/ripe/reports/2024-04-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/64.236.0.0-64.236.255.255.json","observed":"Transfer: (no name) (ARIN) to Microsoft Limited (RIPE NCC)","same_transfer_as":"aef8c6822a0ca7e2","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2024-04-03 19:00 UTC, (no name) (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 64.236.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240402.bz2","retrieved_at":"2026-10-13T00:27:10+00:00","summary":"RIPE NCC delegated statistics 2024-04-02 (produced 2024-04-02T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240403.bz2","retrieved_at":"2026-10-13T00:27:13+00:00","summary":"RIPE NCC delegated statistics 2024-04-03 (produced 2024-04-03T21:59:59+00:00), after the change: allocated (dated 2000-02-02)"}]},{"event_id":"8af398982a1aafcf","registry":"ARIN","report_date":"2023-10-17","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"64.236.0.0/16","start":"64.236.0.0","end":"64.236.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Oath Holdings Inc.","recipient_organization":"Edgecast Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:11+00:00","page":"https://rirtracker.com/ip/64.236.0.0-64.236.255.255/#e-8af398982a1aafcf","report_page":"https://rirtracker.com/arin/reports/2023-10-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/64.236.0.0-64.236.255.255.json","observed":"Merger/acquisition: Oath Holdings Inc. (ARIN) to Edgecast Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Oath Holdings Inc. (ARIN) to Edgecast Inc. (ARIN) on 2023-10-17 16:39 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 2023-10-17 16:39 UTC, Oath Holdings Inc. (ARIN) to Edgecast Inc. (ARIN); resources moved: 64.236.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20231016.gz","retrieved_at":"2026-10-12T23:28:44+00:00","summary":"ARIN delegated statistics 2023-10-16 (produced 2023-10-16T13:00:33+00:00), before the report: allocated (dated 2000-02-02)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20231019.gz","retrieved_at":"2026-10-12T23:28:51+00:00","summary":"ARIN delegated statistics 2023-10-19 (produced 2023-10-19T13:00:32+00:00), after the report: allocated (dated 2000-02-02)"}]},{"event_id":"f23c74d4f8fa1846","registry":"ARIN","report_date":"2019-03-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"64.236.0.0/16","start":"64.236.0.0","end":"64.236.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AOL Transit Data Network","recipient_organization":"Oath Holdings Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","page":"https://rirtracker.com/ip/64.236.0.0-64.236.255.255/#e-f23c74d4f8fa1846","report_page":"https://rirtracker.com/arin/reports/2019-03-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/64.236.0.0-64.236.255.255.json","observed":"Merger/acquisition: AOL Transit Data Network (ARIN) to Oath Holdings Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AOL Transit Data Network (ARIN) to Oath Holdings Inc. (ARIN) on 2019-03-22 20:12 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 2019-03-22 20:12 UTC, AOL Transit Data Network (ARIN) to Oath Holdings Inc. (ARIN); resources moved: 64.236.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190321.gz","retrieved_at":"2026-10-12T22:02:11+00:00","summary":"ARIN delegated statistics 2019-03-21 (produced 2019-03-21T05:00:18+00:00), before the report: allocated (dated 2000-02-02)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190323.gz","retrieved_at":"2026-10-12T22:02:16+00:00","summary":"ARIN delegated statistics 2019-03-23 (produced 2019-03-23T05:00:16+00:00), after the report: allocated (dated 2000-02-02)"}]}],"classification_history":{"aef8c6822a0ca7e2":[{"raw_change_id":463406,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T06:07:07+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Edgecast Inc. (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 14:06 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":463406,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:37+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Edgecast Inc. (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 14:06 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":463406,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:41+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Edgecast Inc. (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 14:06 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":463406,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:49+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Edgecast Inc. (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 14:06 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"08202ffdd2d62cf7":[{"raw_change_id":104941,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:04:48+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":104941,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:38+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":104941,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:06+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":104941,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:59+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2024-04-03 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"8af398982a1aafcf":[{"raw_change_id":569365,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:11+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Oath Holdings Inc. (ARIN) to Edgecast Inc. (ARIN) on 2023-10-17 16:39 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."}],"f23c74d4f8fa1846":[{"raw_change_id":558088,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AOL Transit Data Network (ARIN) to Oath Holdings Inc. (ARIN) on 2019-03-22 20:12 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."}]},"arin_statistics_now":{"status":"not listed"}}