Sadly a surprisingly large number of core routers out there won't even propagate a
I can understand end point routers doing this, as Cisco RAM isn't exactly cheap and in the end that normally would only actually effect the users at that one end point. But I was surprised how many were actually backbone routers! (I'm looking at you cogent)
Back in 1996 or so the ISP I worked for had to get a
Ironically, a couple years after that ISP went out of business, ARIN still didn't revoke the IP block or ASN despite being a year behind on payment.
The contacts were still in my name (apparently being the last sysadmin to bother updating them) so after checking with the founder I ended up making the payments and keeping the IP block myself for another few years.
I relinquished the
There are still days when I wonder if I should have kept it... But at least I can say I did my part as a good netizen.