That's true. I guess I meant more in theory than practice. On Jan 3, 2009, at 3:16 PM, "Kristian Kielhofner" <[email protected] > wrote:
> On 1/3/09, Alex Balashov <[email protected]> wrote: >> That would depend on where the number went "back" to. >> >> Underlying carrier? Pooling? Another level of ITSP resale? >> >> Number block ownership and routing is assigned. Carriers can't just >> pick a number and start providing it. Kind of like IP addresses and >> BGP. >> > > I don't know if I would make the comparison to IP and BGP... > > It's widely known (and demonstrated) that very, very few (if any) > upstreams filter and/or verify route advertisements. It's really a > mess. > > Spammers advertised "unused" blocks they find and spam from them. > > Pakistani Telecom jacks YouTube somewhat-globally with a more > specific advertisement of YouTube's IP space. > > Pilosov/Kapela attack, etc. > > Totally off topic but I though I'd at least bring it up. > > -- > Kristian Kielhofner > http://blog.krisk.org > http://www.submityoursip.com > http://www.astlinux.org > http://www.star2star.com > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > asterisk-biz mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-biz _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- asterisk-biz mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-biz
