{"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":"186.237.144.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/186.237.144.0-186.237.151.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2012-05-31)"},"current_holder":{"rir":"LACNIC","org":"CRISTIANO HOLDEFER & CIA LTDA - ME","how":"LACNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":131932,"date":"2019-04-25T11:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"LACNIC","recipient_rir":"LACNIC","source_org":"PalmasNet Telecom","recipient_org":"CRISTIANO HOLDEFER & CIA LTDA - ME","range":"186.237.144.0/21","log":"LACNIC"}],"events":[{"event_id":"06b9597016a67f3a","registry":"LACNIC","report_date":"2019-04-25","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"186.237.144.0/21","start":"186.237.144.0","end":"186.237.151.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-LACNIC transfer","confidence":"CONFIRMED","source_rir":"LACNIC","recipient_rir":"LACNIC","source_organization":"PalmasNet Telecom","recipient_organization":"CRISTIANO HOLDEFER & CIA LTDA - ME","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/186.237.144.0-186.237.151.255/#e-06b9597016a67f3a","report_page":"https://rirtracker.com/lacnic/reports/2019-04-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/186.237.144.0-186.237.151.255.json","observed":"Transfer: PalmasNet Telecom (LACNIC) to CRISTIANO HOLDEFER & CIA LTDA - ME (LACNIC)","explanation":"LACNIC's transfer log records a transfer from PalmasNet Telecom (LACNIC) to CRISTIANO HOLDEFER & CIA LTDA - ME (LACNIC) on 2019-04-25 11:00 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 2019-04-25 11:00 UTC, PalmasNet Telecom (LACNIC) to CRISTIANO HOLDEFER & CIA LTDA - ME (LACNIC); resources moved: 186.237.144.0/21"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2019/delegated-lacnic-extended-20190424","retrieved_at":"2026-10-12T22:51:24+00:00","summary":"LACNIC delegated statistics 2019-04-24, before the change: allocated (dated 2012-05-31)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2019/delegated-lacnic-extended-20190425","retrieved_at":"2026-10-12T22:51:29+00:00","summary":"LACNIC delegated statistics 2019-04-25, after the change: allocated (dated 2012-05-31)"}]}],"classification_history":{"06b9597016a67f3a":[{"raw_change_id":30362,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:33:15+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from PalmasNet Telecom (LACNIC) to CRISTIANO HOLDEFER & CIA LTDA - ME (LACNIC) on 2019-04-25 11:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":30362,"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 PalmasNet Telecom (LACNIC) to CRISTIANO HOLDEFER & CIA LTDA - ME (LACNIC) on 2019-04-25 11:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":30362,"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 PalmasNet Telecom (LACNIC) to CRISTIANO HOLDEFER & CIA LTDA - ME (LACNIC) on 2019-04-25 11:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":30362,"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 PalmasNet Telecom (LACNIC) to CRISTIANO HOLDEFER & CIA LTDA - ME (LACNIC) on 2019-04-25 11:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."}]},"arin_statistics_now":{"status":"not listed"}}