{"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":"187.121.224.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/187.121.224.0-187.121.231.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2010-03-08)"},"current_holder":{"rir":"LACNIC","org":"PRONTO FIBRA LTDA","how":"LACNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":132695,"date":"2024-12-16T13:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"LACNIC","recipient_rir":"LACNIC","source_org":"ACESSA TELECOMUNICACOES LTDA","recipient_org":"PRONTO FIBRA LTDA","range":"187.121.224.0/21","log":"LACNIC"}],"events":[{"event_id":"35f4fe5272151705","registry":"LACNIC","report_date":"2024-12-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"187.121.224.0/21","start":"187.121.224.0","end":"187.121.231.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-LACNIC transfer","confidence":"CONFIRMED","source_rir":"LACNIC","recipient_rir":"LACNIC","source_organization":"ACESSA TELECOMUNICACOES LTDA","recipient_organization":"PRONTO FIBRA LTDA","inventory_effect":"No effect on LACNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:27+00:00","page":"https://rirtracker.com/ip/187.121.224.0-187.121.231.255/#e-35f4fe5272151705","report_page":"https://rirtracker.com/lacnic/reports/2024-12-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/187.121.224.0-187.121.231.255.json","observed":"Transfer: ACESSA TELECOMUNICACOES LTDA (LACNIC) to PRONTO FIBRA LTDA (LACNIC)","piece_of":{"resource":"187.121.224.0/20","page":"https://rirtracker.com/ip/187.121.224.0-187.121.239.255/"},"explanation":"LACNIC's transfer log records a transfer from ACESSA TELECOMUNICACOES LTDA (LACNIC) to PRONTO FIBRA LTDA (LACNIC) on 2024-12-16 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 2024-12-16 13:00 UTC, ACESSA TELECOMUNICACOES LTDA (LACNIC) to PRONTO FIBRA LTDA (LACNIC); resources moved: 187.121.224.0/21"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2024/delegated-lacnic-extended-20241215","retrieved_at":"2026-10-13T01:55:30+00:00","summary":"LACNIC delegated statistics 2024-12-15, before the change: allocated (dated 2010-03-08)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2024/delegated-lacnic-extended-20241216","retrieved_at":"2026-10-13T01:55:35+00:00","summary":"LACNIC delegated statistics 2024-12-16, after the change: allocated (dated 2010-03-08)"}]}],"classification_history":{"35f4fe5272151705":[{"raw_change_id":31125,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:33:43+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from ACESSA TELECOMUNICACOES LTDA (LACNIC) to PRONTO FIBRA LTDA (LACNIC) on 2024-12-16 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":31125,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:44+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from ACESSA TELECOMUNICACOES LTDA (LACNIC) to PRONTO FIBRA LTDA (LACNIC) on 2024-12-16 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":31125,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:53+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from ACESSA TELECOMUNICACOES LTDA (LACNIC) to PRONTO FIBRA LTDA (LACNIC) on 2024-12-16 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":31125,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:27+00:00","current":1,"public_explanation":"LACNIC's transfer log records a transfer from ACESSA TELECOMUNICACOES LTDA (LACNIC) to PRONTO FIBRA LTDA (LACNIC) on 2024-12-16 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."}]},"arin_statistics_now":{"status":"not listed"}}