Troubles inside ALTER.NET?

Hello,

are there any looking glasses inside of ALTER.NET? We are currently
experiencing problems accessing to icq.com, cnn.com and many others:

traceroute to 205.188.5.208 (205.188.5.208), 30 hops max, 38 byte packets
1 cisco1 (212.109.32.131) 6.797 ms 39.415 ms 19.684 ms
2 cisco0.kiev.sovam.net.ua (212.109.32.138) 4.373 ms 1.936 ms 5.050 ms
3 ccr-1.Moscow.ST.NET (194.186.157.25) 147.366 ms ccr-1.Moscow.ST.NET (194.186.157.121) 230.353 ms ccr-1.Moscow.ST.NET (194.186.157.189) 146.084 ms
[ ... ]
21 0.so-4-0-0.TR2.NYC9.ALTER.NET (152.63.15.182) 201.163 ms 240.414 ms 213.036 ms
22 125.at-5-0-0.TR2.DCA6.ALTER.NET (152.63.2.201) 211.353 ms 240.997 ms 247.147 ms
23 0.so-3-0-0.XR2.DCA6.ALTER.NET (152.63.11.90) 279.065 ms 245.794 ms 200.880 ms
24 184.ATM5-0.GW2.IAD2.ALTER.NET (152.63.36.221) 221.368 ms 282.156 ms 217.497 ms
25 * * *
26 * * *

but traceroute from route-views.oregon-ix.net or route-server.exodus.net
is ok. Looks like internal problem in ALTER.NET? traceroute above - from
212.109.32.15

Thank you.