Safe Routing - Filtering
ip as-path access-list 40 deny _701_
ip as-path access-list 40 deny _1239_
ip as-path access-list 40 deny _3561_
ip as-path access-list 40 deny _1_
ip as-path access-list 40 deny _1673_
ip as-path access-list 40 deny _174_
ip as-path access-list 40 permit .*
Apply this access-list inbound for sanity.