BBC does IPv6 ;) (Was: large multi-site enterprises and PI prefix [Re: who gets a /32)

Thu Nov 25 14:15:34 UTC 2004

On 25/11/2004 12:50, Iljitsch van Beijnum wrote:

> However, in the absense of that particular piece of information, I 
> have a hard time seeing how the BBC qualifies for a /32. Last time I 
> checked, they weren't an ISP. 200 sites doesn't qualify you for a /32: 
> it qualifies you for a /48 (jusst like one site does). That's 65536 
> subnets = ~300 subnets per site. If that's not enough, perhaps a /47 
> or /46 is in order, or maybe, just maybe a /40 = a /48 per site. But a 
> /32 is ridiculous: this allows for 4 billion subnets (20 million per 
> site).

The BBC are an ISP, check out cidr-report for AS2818:

420    AS2818   BBC BBC Internet Services, UK
  Adjacency:    11  Upstream:     2  Downstream:     9
  Upstream Adjacent AS list
    AS1257    TELE2 AB
    AS4637    REACH Reach Network Border AS
  Downstream Adjacent AS list
    AS21396   NETCONNEX NetConnex Broadband Ltd. - London, UK
    AS9156    BBC-US BBC Internet Services, America network
    AS15928   HAVENCO-AS HavenCo global AS; announced in US, London, Canada
    AS8401    MAILBOX Mailbox Internet UK Network
    AS8676    PRTSYSTEMS PRT Systems Ltd
    AS8910    NETALIA Netalia Internet Ltd.
    AS8838    ALICE Alice Networks
    AS8943    JUMP Jump Networks Ltd.
    AS8421    ALTOHIWAY altohiway Ltd