This is the currently used prefix list to filter incoming BGP announcements from Peers or Upstream providers towards AS5539:
! DE-CIX fabric deny 80.81.192.0/22 le 32 deny 80.81.200.0/24 le 32 ! INXS fabric deny 194.59.190.0/24 le 32 ! ! RFC1918, default routes and other bogons deny 0.0.0.0/0 deny 0.0.0.0/32 deny 127.0.0.0/8 le 32 deny 10.0.0.0/8 le 32 deny 172.16.0.0/12 le 32 deny 192.168.0.0/16 le 32 deny 192.0.2.0/24 le 32 deny 169.254.0.0/16 le 32 ! ! multicast ranges must not appear in normal BGP routing deny 224.0.0.0/5 le 32 ! ! SpaceNet PA blocks deny 193.149.32.0/19 le 32 deny 194.97.64.0/19 le 32 deny 194.97.128.0/19 le 32 deny 195.30.0.0/16 le 32 ! ! small crap (/25.../32) deny 0.0.0.0/0 ge 25 ! ! http://www.iana.org/assignments/ipv4-address-space ! ! ARIN-Ranges + Legacy -> no /23 or /24 deny 8.0.0.0/8 ge /23 deny 12.0.0.0/8 ge /23 deny 66.0.0.0/8 ge /23 deny 24.0.0.0/8 ge /23 deny 38.0.0.0/8 ge /23 deny 40.0.0.0/8 ge /23 deny 63.0.0.0/8 ge /23 deny 64.0.0.0/7 ge /23 deny 216.0.0.087 ge /23 ! ! APNIC-Ranges: http://www.apnic.net/db/min-alloc.html deny 58.0.0.0/7 ge /23 deny 60.0.0.0/7 ge /23 deny 112.0.0.0/6 ge /23 deny 116.0.0.0/6 ge /23 deny 120.0.0.0/5 ge /23 ! PI /24 from 202+203 are accepted deny 210.0.0.0/7 ge /23 deny 218.0.0.0/7 ge /23 deny 220.0.0.0/7 ge /23 deny 222.0.0.0/8 ge /23 ! ! LACNIC-Ranges: http://www.lacnic.net/en/registro/ ! PI /24 in 200.* (unfiltert) deny 186.0.0.0/7 ge /23 deny 189.0.0.0/8 ge /23 deny 190.0.0.0/8 ge /23 deny 201.0.0.0/8 ge /23 ! ! AfriNIC-Ranges ! Only one /8 (196) - currently /24s permitted ! ! permit the rest permit 0.0.0.0/0 le 32 ! end