Re: maximum ipv4 bgp prefix length of /24 ?

[Owen DeLong via NANOG <nanog () nanog org>]

Wouldn’t /48s be a better solution to this need?

Owen


> On Sep 28, 2023, at 14:25, VOLKAN SALİH <volkan.salih.06 () gmail com> wrote:
>
> hello,
>
> 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?
>
> What could be done here?
>
> Is it unacceptable; considering most big networks that do full-table-routing also use multi-core routers with lots of 
> RAM? those would probably handle /27s and while small networks mostly use default routing, it should be reasonable to 
> allow /25-/27?
>
> Thanks for reading, regards..