On Thu, 25 Sep 2003, Ron da Silva wrote:
On Thu, Sep 25, 2003 at 06:11:23PM -0400, Brian Bruns wrote:
This might be helpful to people setting up ACLs and the like:
I think the point that Mike was making is that RFC1918 space is 172.16.0.0/20 not a /8.
At least two people have posted incorrectly about 172.16, wrt who has what and how big it is. Rekhter, et al Best Current Practice [Page 3] RFC 1918 Address Allocation for Private Internets February 1996 3. Private Address Space The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the IP address space for private internets: 10.0.0.0 - 10.255.255.255 (10/8 prefix) 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) 192.168.0.0 - 192.168.255.255 (192.168/16 prefix) AOL has NetRange: 172.128.0.0 - 172.191.255.255 CIDR: 172.128.0.0/10 NetRange: 172.192.0.0 - 172.211.255.255 CIDR: 172.192.0.0/12, 172.208.0.0/14 and apparently a bunch of other blocks. ---------------------------------------------------------------------- Jon Lewis *jlewis@lewis.org*| I route Senior Network Engineer | therefore you are Atlantic Net | _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________