BOGON Address List
From MikroTik Wiki
See also Generate bogons firewall chain based on routing-marks
You can use this Bogon list with your firewall config, replacing the illegal-addr address lists from the Dmitry on firewalling rules.
/ip firewall address-list add list="BOGONS" address=0.0.0.0/7 add list="BOGONS" address=5.0.0.0/8 add list="BOGONS" address=10.0.0.0/8 add list="BOGONS" address=14.0.0.0/8 add list="BOGONS" address=23.0.0.0/8 add list="BOGONS" address=27.0.0.0/8 add list="BOGONS" address=31.0.0.0/8 add list="BOGONS" address=36.0.0.0/7 add list="BOGONS" address=39.0.0.0/8 add list="BOGONS" address=42.0.0.0/8 add list="BOGONS" address=49.0.0.0/8 add list="BOGONS" address=100.0.0.0/6 add list="BOGONS" address=104.0.0.0/6 add list="BOGONS" address=127.0.0.0/8 add list="BOGONS" address=169.254.0.0/16 add list="BOGONS" address=172.16.0.0/12 add list="BOGONS" address=176.0.0.0/7 add list="BOGONS" address=179.0.0.0/8 add list="BOGONS" address=181.0.0.0/8 add list="BOGONS" address=185.0.0.0/8 add list="BOGONS" address=192.0.2.0/24 add list="BOGONS" address=192.168.0.0/16 add list="BOGONS" address=198.18.0.0/15 add list="BOGONS" address=223.0.0.0/8 add list="BOGONS" address=224.0.0.0/3
Updated 2009.10.18 according to http://www.cymru.com/Documents/bogon-bn-agg.txt