Micro-allocation needed?

Mon Jun 21 21:56:37 UTC 2010

AT&T announces ours. It just took a little bit of prodding to get the sales people to ask the appropriate technical people.
We have a very old ARIN-allocated /24 but we have only one upstream, so we have no AS number of our own.

On Jun 21, 2010, at 4:42 PM, Ask Bjørn Hansen wrote:

> 
> On Jun 21, 2010, at 23:34, William Pitcock wrote:
> 
>> On Mon, 2010-06-21 at 23:32 +0200, Ask Bjørn Hansen wrote:
>>> Hi everyone,
>>> 
>>> We're going to anycast a /24 for some DNS servers (and possibly another UDP based service)[1].
>>> 
>>> I see that ARIN are listing on https://www.arin.net/knowledge/ip_blocks.html the smallest allocations from each prefix.   Will we have trouble getting a /24 announced if we take it from a regular /20?
>> 
>> No, you can split up allocations as you want, provided you can prove you
>> own them.
>> 
>> Some providers however, won't announce anything smaller than a /24.
> 
> I guess to rephrase my question:
> 
> Are there (a significant number of) providers that will filter a /24 announcement from an ARIN prefix not in the list of prefixes where they allocate /24 blocks.
> 
> (I take it from what you wrote that the answer is "No").
> 
> 
> - ask
> 