Not sure about RIPE, but under ARIN, you would qualify for a /44 (or larger if you have more than 12 sites), out of which you could announce the /48s independently and as an aggregate, as you wish to do.
-Randy ----- Original Message ----- > Hello, > > Please advice what is the best practice to use IPv6 address block > across distributed locations. > > Recently we obtained our PI /48 from RIPE. The idea was to assign > partial slices from this block to different locations (we have > currently 3 offices in Europe and 2 in USA). All locations are > interconnected with static VPNs. Each location is supposed to > establish BGP session with local ISP. Partial prefix /56 + aggregate > /48 (with long AS PATH) are to be announced by each office. > > The problem we ran across is that ISP in US does not wish to accept > prefixes longer then /48 from us. > Need your advice: is this normal to distribute /48 by /56 parts > across > locations or should we obtain separate /48 for each of them? Or maybe > we need /32 that can be split into multiple /48? Anyway we are not > ISP > so /48 looks quite reasonable and sufficient for all our needs. > > Thank you. > > Dmitry Cherkasov > > >
