Your assumption is generally true with most any provider. They may even accept something smaller, but it won't make it very far if less than /24. It's also a good idea to announce a covering prefix in case some peer network filters on IRR minimums.
On 8/18/08, Mike Lyon <[EMAIL PROTECTED]> wrote: > Hello All, > > I am curious as to the routing polices of the bigger providers such as > ATT, L3, Internap, Qwest, Etc Etc... Is there a standard size > netblock that these providers will accept? For instance, if customer > "A" gets a /22 from ARIN and his upstream provider is ATT and L3, what > would the smallest block be that those providers would accept from > customer "A"? Would they accept something as small as a /24? > > Thanks, > Mike > > -- Sent from Gmail for mobile | mobile.google.com
