{"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":"187.251.0.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/187.251.0.0-187.251.31.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2012-11-29)"},"current_holder":{"rir":"LACNIC","org":"IP Matrix, S.A. de C.V.","how":"LACNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":131989,"date":"2020-01-26T13:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"LACNIC","recipient_rir":"LACNIC","source_org":"Corporacion Universitaria para el Desarrollo de I","recipient_org":"IP Matrix, S.A. de C.V.","range":"187.251.0.0/19","log":"LACNIC"}],"events":[{"event_id":"4cee03291dc823ab","registry":"LACNIC","report_date":"2020-01-26","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"187.251.0.0/19","start":"187.251.0.0","end":"187.251.31.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-LACNIC transfer","confidence":"CONFIRMED","source_rir":"LACNIC","recipient_rir":"LACNIC","source_organization":"Corporacion Universitaria para el Desarrollo de I","recipient_organization":"IP Matrix, S.A. de C.V.","inventory_effect":"No effect on LACNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:26+00:00","page":"https://rirtracker.com/ip/187.251.0.0-187.251.31.255/#e-4cee03291dc823ab","report_page":"https://rirtracker.com/lacnic/reports/2020-01-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/187.251.0.0-187.251.31.255.json","observed":"Transfer: Corporacion Universitaria para el Desarrollo de I (LACNIC) to IP Matrix, S.A. de C.V. (LACNIC)","piece_of":{"resource":"187.251.0.0/16","page":"https://rirtracker.com/ip/187.251.0.0-187.251.255.255/"},"explanation":"LACNIC's transfer log records a transfer from Corporacion Universitaria para el Desarrollo de I (LACNIC) to IP Matrix, S.A. de C.V. (LACNIC) on 2020-01-26 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC.","evidence":[{"type":"transfer","url":"https://ftp.lacnic.net/pub/stats/lacnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:38+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2020-01-26 13:00 UTC, Corporacion Universitaria para el Desarrollo de I (LACNIC) to IP Matrix, S.A. de C.V. (LACNIC); resources moved: 187.251.0.0/19"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2020/delegated-lacnic-extended-20200125","retrieved_at":"2026-10-12T23:15:36+00:00","summary":"LACNIC delegated statistics 2020-01-25, before the change: allocated (dated 2012-11-29)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2020/delegated-lacnic-extended-20200126","retrieved_at":"2026-10-12T23:15:40+00:00","summary":"LACNIC delegated statistics 2020-01-26, after the change: allocated (dated 2012-11-29)"}]}],"classification_history":{"4cee03291dc823ab":[{"raw_change_id":30419,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:33:18+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Corporacion Universitaria para el Desarrollo de I (LACNIC) to IP Matrix, S.A. de C.V. (LACNIC) on 2020-01-26 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":30419,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:43+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Corporacion Universitaria para el Desarrollo de I (LACNIC) to IP Matrix, S.A. de C.V. (LACNIC) on 2020-01-26 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":30419,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:52+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Corporacion Universitaria para el Desarrollo de I (LACNIC) to IP Matrix, S.A. de C.V. (LACNIC) on 2020-01-26 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":30419,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:26+00:00","current":1,"public_explanation":"LACNIC's transfer log records a transfer from Corporacion Universitaria para el Desarrollo de I (LACNIC) to IP Matrix, S.A. de C.V. (LACNIC) on 2020-01-26 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."}]},"arin_statistics_now":{"status":"not listed"}}