Ok new information since I can get back to looking at this problem.
PING fnanb.com (129.33.237.91) from *.*.*.* : 56(84) bytes of data.
From 129.33.228.22 icmp_seq=1 Packet filtered
From 129.33.228.22 icmp_seq=2 Packet filtered
From 129.33.228.22 icmp_seq=3 Packet filtered
From 129.33.228.22 icmp_seq=4 Packet filtered
From 129.33.228.22 icmp_seq=5 Packet filtered
From 129.33.228.22 icmp_seq=6 Packet filtered
--- fnanb.com ping statistics ---
6 packets transmitted, 0 received, +6 errors, 100% loss, time 5054ms
[root@bambi root]# ping yahoo.com
PING yahoo.com (216.109.112.135) from *.*.*.* : 56(84) bytes of data.
64 bytes from w2.rc.vip.dcn.yahoo.com (216.109.112.135): icmp_seq=1 ttl=52 time=58.8 ms
64 bytes from w2.rc.vip.dcn.yahoo.com (216.109.112.135): icmp_seq=2 ttl=52 time=45.2 ms
64 bytes from w2.rc.vip.dcn.yahoo.com (216.109.112.135): icmp_seq=3 ttl=52 time=45.9 ms
--- yahoo.com ping statistics ---
3 packets transmitted, 3 received, 0% loss, time 4387ms
rtt min/avg/max/mdev = 45.245/50.015/58.850/6.258 ms
So where is this filtering occurring and why?