RouteViews BGP data format


192.172.226.0/24   134.24.127.30   64  1740 195  1909 i
CAIDA network      peer (cerf)   med  cerf sdsc caida

192.172.226.0/24   204.147.128.141  -   145 195  1909 i
CAIDA network      peer (vbns)   med vbns sdsc caida

AS path: 1740 195 1909
Grows from tail to head - "prepending":

CAIDA advertizes prefix to SDSC
SDSC advertizes CAIDA's prefix to CERF
ergo,
CERF "knows" how to send traffic to CAIDA