or your lack of www.
Your post is full of fail.
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Users\NothinG>ping www.mtgox.com
Pinging www.mtgox.com [72.52.5.67] with 32 bytes of data:
Reply from 72.52.5.67: bytes=32 time=75ms TTL=246
Reply from 72.52.5.67: bytes=32 time=69ms TTL=246
Reply from 72.52.5.67: bytes=32 time=54ms TTL=246
Reply from 72.52.5.67: bytes=32 time=102ms TTL=246
Ping statistics for 72.52.5.67:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 54ms, Maximum = 102ms, Average = 75ms
C:\Users\NothinG>ping mtgox.com
Pinging mtgox.com [72.52.5.67] with 32 bytes of data:
Reply from 72.52.5.67: bytes=32 time=48ms TTL=246
Reply from 72.52.5.67: bytes=32 time=84ms TTL=246
Reply from 72.52.5.67: bytes=32 time=46ms TTL=246
Reply from 72.52.5.67: bytes=32 time=46ms TTL=246
Ping statistics for 72.52.5.67:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 46ms, Maximum = 84ms, Average = 56ms
C:\Users\NothinG>
Looks like the same IP to me.
Anyways, I just simply allowed it.