Partial Use Of one Regions IP Block in another

Net funkyfun at
Thu May 20 21:51:18 UTC 2010

Thanks to all who replied and provided valuable input. Much appreciated


On 5/20/10, George Bonser <gbonser at> wrote:
>> -----Original Message-----
>> From: joel jaeggli [mailto:joelja at]
>> Sent: Thursday, May 20, 2010 10:05 AM
>> To: Owen DeLong
>> Cc: George Bonser; nanog at
>> Subject: Re: Partial Use Of one Regions IP Block in another
>> On 2010-05-20 09:36, Owen DeLong wrote:
>> > We're scraping the bottom of the barrel for IPv4 space these days.
>> > It is what it is, and it's only going to get worse in IPv4.  Time to
>> go
>> > to IPv6.
>> in ipv6 we're using our arin /32 in all regions where we appear...
>> joel
> Exactly.  So migrating to v6 has no bearing on the conversation.  The
> same "problem" (a problem which some people create themselves by relying
> on the source IP to determine geographic location) exists with either
> protocol.  There is just no way to tell where the device initiating the
> conversation is located by looking at the IP and the extent to which you
> can tell by where the traffic enters your network depends on the
> temperature of the potato as perceived by the network downstream from
> you.  Did they haul it across an ocean before handing it to you?
> Geographical location by IP address is just plain nuts, but people will
> find a way to sell anything, I suppose.
> George

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