ARIN allocating /20 netblocks?

Sat May 16 19:07:20 UTC 1998

On Fri, 15 May 1998, James Rishaw wrote:

> > ARIN has made a slight change to make it easier for small ISPs to get
> > provider independant netblocks.  They will assign a /20 and reserve the
> > adjacent /20, the customer is allowed to announce the entire /19.
> > For further information, please view http://www.arin.net/initial-isp.html
> 
> Now, let's `cat post | bullshitfilter.pl` and see what we get:
> 
> ARIN has made a slight change to make it easier for them to make more
> money by allowing anyone to register for IPs.  They will assign a /20 and
> reserve the adjacent /20...

That must have been your bullshitify.pl filter.

The change made it possible for many "small" ISPs to truely multihome.
FDT is one of them.  When I found out about "the change", I was about to
renumber FDT into Digex address space, since we did not qualify under the
old rules for an ARIN CIDR block (immediately fill 80% of a /19).  The
/20 Digex was going to give us was in filtered space, meaning anyone
filtering BGP like Sprint would not see our advertisements and would only
have reached us through Digex...making our additional T1's to the net
somewhat pointless.

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