Re: maximum ipv4 bgp prefix length of /24 ?

[Jon Lewis <jlewis () lewis org>]

On Fri, 29 Sep 2023, VOLKAN SALİH wrote:

> I believe, ISPs should also allow ipv4 prefixes with length between /25-/27 instead of limiting maximum length to /24..
>
> I also believe that RIRs and LIRs should allocate /27s which has 32 IPv4 address. considering IPv4 world is now mostly 
> NAT'ed, 32 IPv4s are sufficient for most of the
> small and medium sized organizations and also home office workers like youtubers, and professional gamers and 
> webmasters!
>
> It is because BGP research and experiment networks can not get /24 due to high IPv4 prices, but they have to get an 
> IPv4 prefix to learn BGP in IPv4 world.
>
> What do you think about this?

Not going to happen any time soon (if at all).

#show ip route summary | i Source|---|bgp
   Route Source                                Number Of Routes
------------------------------------- -------------------------
   bgp                                                   925809

Think about how much network gear is out there that is straining under the 
current size of the global table.  Opening the flood gates to many more 
prefixes with /25-/27 routes in the global table would mean lots of gear 
needs to be upgraded/replaced sooner rather than later.

----------------------------------------------------------------------
 Jon Lewis, MCP :)           |  I route
 StackPath, Sr. Neteng       |  therefore you are
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________