{"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":"155.190.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/155.190.0.0-155.190.255.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 1992-03-25)"},"current_holder":{"rir":"RIPE NCC","org":"Cisco OpenDNS LLC (ORG-O131-RIPE)","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":18703,"date":"2019-08-22T20:36:03Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Miles 33","recipient_org":"Cisco OpenDNS LLC (ORG-O131-RIPE)","range":"155.190.0.0/16","log":"ARIN"},{"id":65527,"date":"2019-08-22T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Cisco OpenDNS LLC","range":"155.190.0.0/16","log":"RIPE NCC"},{"id":17861,"date":"2019-05-13T10:41:47Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Miles 33","recipient_org":"Miles 33","range":"155.190.0.0/16","log":"ARIN"}],"events":[{"event_id":"bdc0e29ab8429540","registry":"ARIN","report_date":"2019-08-22","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"155.190.0.0/16","start":"155.190.0.0","end":"155.190.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Miles 33","recipient_organization":"Cisco OpenDNS LLC (ORG-O131-RIPE)","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":"2026-10-14T00:05:52+00:00","page":"https://rirtracker.com/ip/155.190.0.0-155.190.255.255/#e-bdc0e29ab8429540","report_page":"https://rirtracker.com/arin/reports/2019-08-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/155.190.0.0-155.190.255.255.json","observed":"155.190.0.0/16 assigned on 2019-08-22, not listed on 2019-08-23","same_transfer_as":"bfe7195d12897fcb","explanation":"ARIN's transfer log records a transfer from Miles 33 (ARIN) to Cisco OpenDNS LLC (ORG-O131-RIPE) (RIPE NCC) on 2019-08-22 20:36 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/2019/delegated-arin-extended-20190823.gz","retrieved_at":"2026-10-12T22:10:03+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 155.190.0.0/16 assigned on 2019-08-22, not listed on 2019-08-23"},{"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 2019-08-22 20:36 UTC, Miles 33 (ARIN) to Cisco OpenDNS LLC (ORG-O131-RIPE) (RIPE NCC); resources moved: 155.190.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190821.gz","retrieved_at":"2026-10-12T22:09:58+00:00","summary":"ARIN delegated statistics 2019-08-21 (produced 2019-08-21T14:00:13+00:00), before the report: assigned (dated 1992-03-25)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190823.gz","retrieved_at":"2026-10-12T22:10:03+00:00","summary":"ARIN delegated statistics 2019-08-23 (produced 2019-08-23T14:00:13+00:00), after the report: not listed"}]},{"event_id":"bfe7195d12897fcb","registry":"RIPE NCC","report_date":"2019-08-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"155.190.0.0/16","start":"155.190.0.0","end":"155.190.255.255","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":"Cisco OpenDNS LLC","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":"2026-10-13T23:47:57+00:00","page":"https://rirtracker.com/ip/155.190.0.0-155.190.255.255/#e-bfe7195d12897fcb","report_page":"https://rirtracker.com/ripe/reports/2019-08-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/155.190.0.0-155.190.255.255.json","observed":"Transfer: (no name) (ARIN) to Cisco OpenDNS LLC (RIPE NCC)","same_transfer_as":"bdc0e29ab8429540","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Cisco OpenDNS LLC (RIPE NCC) on 2019-08-22 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 2019-08-22 19:00 UTC, (no name) (ARIN) to Cisco OpenDNS LLC (RIPE NCC); resources moved: 155.190.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190821.bz2","retrieved_at":"2026-10-12T22:17:35+00:00","summary":"RIPE NCC delegated statistics 2019-08-21 (produced 2019-08-21T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190822.bz2","retrieved_at":"2026-10-12T22:17:38+00:00","summary":"RIPE NCC delegated statistics 2019-08-22 (produced 2019-08-22T21:59:59+00:00), after the change: assigned (dated 1992-03-25)"}]},{"event_id":"65516dc99763405f","registry":"ARIN","report_date":"2019-05-13","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"155.190.0.0/16","start":"155.190.0.0","end":"155.190.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Miles 33","recipient_organization":"Miles 33","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:45+00:00","page":"https://rirtracker.com/ip/155.190.0.0-155.190.255.255/#e-65516dc99763405f","report_page":"https://rirtracker.com/arin/reports/2019-05-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/155.190.0.0-155.190.255.255.json","observed":"Merger/acquisition: Miles 33 (ARIN) to Miles 33 (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Miles 33 (ARIN) to Miles 33 (ARIN) on 2019-05-13 10:41 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 2019-05-13 10:41 UTC, Miles 33 (ARIN) to Miles 33 (ARIN); resources moved: 155.190.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190512.gz","retrieved_at":"2026-10-12T22:04:56+00:00","summary":"ARIN delegated statistics 2019-05-12 (produced 2019-05-12T05:00:13+00:00), before the report: assigned (dated 1992-03-25)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190514.gz","retrieved_at":"2026-10-12T22:05:01+00:00","summary":"ARIN delegated statistics 2019-05-14 (produced 2019-05-14T05:00:14+00:00), after the report: assigned (dated 1992-03-25)"}]}],"classification_history":{"bdc0e29ab8429540":[{"raw_change_id":378761,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:31:25+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Miles 33 (ARIN) to Cisco OpenDNS LLC (ORG-O131-RIPE) (RIPE NCC) on 2019-08-22 20:36 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":378761,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:44+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Miles 33 (ARIN) to Cisco OpenDNS LLC (ORG-O131-RIPE) (RIPE NCC) on 2019-08-22 20:36 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":378761,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:26+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Miles 33 (ARIN) to Cisco OpenDNS LLC (ORG-O131-RIPE) (RIPE NCC) on 2019-08-22 20:36 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":378761,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:52+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Miles 33 (ARIN) to Cisco OpenDNS LLC (ORG-O131-RIPE) (RIPE NCC) on 2019-08-22 20:36 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."}],"bfe7195d12897fcb":[{"raw_change_id":65192,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:48:07+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Cisco OpenDNS LLC (RIPE NCC) on 2019-08-22 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":65192,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:59+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Cisco OpenDNS LLC (RIPE NCC) on 2019-08-22 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":65192,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:17+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Cisco OpenDNS LLC (RIPE NCC) on 2019-08-22 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":65192,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:57+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Cisco OpenDNS LLC (RIPE NCC) on 2019-08-22 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."}],"65516dc99763405f":[{"raw_change_id":558651,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:45+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Miles 33 (ARIN) to Miles 33 (ARIN) on 2019-05-13 10:41 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"}}