On Wed, 9 Dec 1998, Joe Shaw wrote:
It appears that one of our previous customers who was assigned that class C by us decided to buy a T1 from UUNet and UUNet let them use our IP space. What kind of checks are usually done when peolpe come to the NSP's with other people's address space? A simple check at ARIN would have
For most of the major backbones? Very little as far as I see. A cheque in hand, and they are happy to announce anything, including /32s, rfc1918 space, etc. Sometimes, if you complain they will fix it in a week or two. If you look at the past few years, it is very obvious that some of the major backbones (no names...) have very little in place to control what routes they announce or customers announce and very little control in place to verify such changes before they are made. You have to wonder if a customer signed up with one of them and started doing abusive and destructive things with BGP if it would take as long for them to take action as it does at times when leased line customers spam. Many or most smaller backbones and providers seem to have much better controls in place.