{"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":"143.131.192.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/143.131.192.0-143.131.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1990-09-19)"},"current_holder":{"rir":"RIPE NCC","org":"Adamo Telecom Iberia S.A.","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":66657,"date":"2019-10-29T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Adamo Telecom Iberia S.A.","range":"143.131.192.0/18","log":"RIPE NCC"},{"id":19178,"date":"2019-10-29T12:10:44Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"DOW JONES & COMPANY, INC.","recipient_org":"Adamo Telecom Iberia S.A.","range":"143.131.192.0/18","log":"ARIN"}],"events":[{"event_id":"472dcc5a0fe7e91f","registry":"RIPE NCC","report_date":"2019-10-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"143.131.192.0/18","start":"143.131.192.0","end":"143.131.255.255","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":"Adamo Telecom Iberia S.A.","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":"2026-10-13T23:48:01+00:00","page":"https://rirtracker.com/ip/143.131.192.0-143.131.255.255/#e-472dcc5a0fe7e91f","report_page":"https://rirtracker.com/ripe/reports/2019-10-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/143.131.192.0-143.131.255.255.json","observed":"Transfer: (no name) (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC)","same_transfer_as":"8ad4d1a7c1e12c5a","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 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 2019-10-29 19:00 UTC, (no name) (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC); resources moved: 143.131.192.0/18"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20191028.bz2","retrieved_at":"2026-10-12T22:22:17+00:00","summary":"RIPE NCC delegated statistics 2019-10-28 (produced 2019-10-28T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20191029.bz2","retrieved_at":"2026-10-12T22:22:44+00:00","summary":"RIPE NCC delegated statistics 2019-10-29 (produced 2019-10-29T22:59:59+00:00), after the change: allocated (dated 1990-09-19)"}]},{"event_id":"8ad4d1a7c1e12c5a","registry":"ARIN","report_date":"2019-10-28","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"143.131.192.0/18","start":"143.131.192.0","end":"143.131.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"DOW JONES & COMPANY, INC.","recipient_organization":"Adamo Telecom Iberia S.A.","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":"2026-10-14T00:06:06+00:00","page":"https://rirtracker.com/ip/143.131.192.0-143.131.255.255/#e-8ad4d1a7c1e12c5a","report_page":"https://rirtracker.com/arin/reports/2019-10-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/143.131.192.0-143.131.255.255.json","observed":"143.131.192.0/18 assigned on 2019-10-28, not listed on 2019-10-29","same_transfer_as":"472dcc5a0fe7e91f","explanation":"ARIN's transfer log records a transfer from DOW JONES & COMPANY, INC. (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 12:10 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-20191029.gz","retrieved_at":"2026-10-12T22:13:34+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 143.131.192.0/18 assigned on 2019-10-28, not listed on 2019-10-29"},{"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 2019-10-29 12:10 UTC, DOW JONES & COMPANY, INC. (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC); resources moved: 143.131.192.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191027.gz","retrieved_at":"2026-10-12T22:13:29+00:00","summary":"ARIN delegated statistics 2019-10-27 (produced 2019-10-27T14:00:12+00:00), before the report: assigned (dated 1990-09-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191029.gz","retrieved_at":"2026-10-12T22:13:34+00:00","summary":"ARIN delegated statistics 2019-10-29 (produced 2019-10-29T14:00:12+00:00), after the report: not listed"}]}],"classification_history":{"472dcc5a0fe7e91f":[{"raw_change_id":66358,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:48:38+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 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":66358,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:02+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 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":66358,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:20+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 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":66358,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:01+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 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."}],"8ad4d1a7c1e12c5a":[{"raw_change_id":382238,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:32:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DOW JONES & COMPANY, INC. (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 12:10 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":382238,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:56+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DOW JONES & COMPANY, INC. (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 12:10 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":382238,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:39+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DOW JONES & COMPANY, INC. (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 12:10 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":382238,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:06+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from DOW JONES & COMPANY, INC. (ARIN) to Adamo Telecom Iberia S.A. (RIPE NCC) on 2019-10-29 12:10 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."}]},"arin_statistics_now":{"status":"not listed"}}