Cisco 8.5.171.0 !full! Jun 2026

If you peer with Level 3 (AS 3356), you might see 8.5.171.0/24 in your BGP table. Using Cisco show ip bgp 8.5.171.0 reveals the path attributes, next-hop, and local preference.

Router(config)# ip route 8.5.171.0 255.255.255.0 GigabitEthernet0/0 cisco 8.5.171.0

Because 8.5.171.0 is a public range, securing it is paramount. Cisco ACLs use (the inverse of the subnet mask). If you peer with Level 3 (AS 3356), you might see 8