45.4.12.0/22

Currently announced by AS266035 ROGERIO FERREIRA ROSA & CIA LTDA, in the routed prefix 45.4.12.0/22.

Current ASN
AS266035
ROGERIO FERREIRA ROSA & CIA LTDA
Routed prefix
45.4.12.0/22
Most specific route covering this prefix
ASNs over time
1
1 announcement record
RIR allocation
LACNIC
Brazil · 45.4.12.0/22

Routing data · Nov 8, 2026, 10:26 UTC

ASN historyEvery routed prefix covering 45.4.12.0/22

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
45.4.12.0/22AS266035ROGERIO FERREIRA ROSA & CIA LTDABrazilBefore monitoring2026-11-08 10:26Announcing

More specific routes6 total

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
45.4.12.0/24AS266035ROGERIO FERREIRA ROSA & CIA LTDABrazilBefore monitoring2026-11-08 10:26Announcing
45.4.13.0/24AS266035ROGERIO FERREIRA ROSA & CIA LTDABrazilBefore monitoring2026-11-08 10:26Announcing
45.4.14.0/23AS266035ROGERIO FERREIRA ROSA & CIA LTDABrazilBefore monitoring2026-11-08 10:26Announcing
45.4.14.0/24AS266035ROGERIO FERREIRA ROSA & CIA LTDABrazilBefore monitoring2026-11-08 10:26Announcing
45.4.15.0/24AS266035ROGERIO FERREIRA ROSA & CIA LTDABrazilBefore monitoring2026-11-08 10:26Announcing
45.4.12.0/23AS266035ROGERIO FERREIRA ROSA & CIA LTDABrazil2026-10-20 18:212026-11-07 04:26Stopped

Change logAll changes

The routes covering this address have had no origin changes since ASNBase started monitoring.