I think ntlworl.com has a wildcard in its DNS since I can ping pretty much anything
Code:
C:\Documents and Settings\Alan Waddington>ping *********.ntlworl.com
Pinging *********.ntlworl.com [220.80.108.83] with 32 bytes of data:
Reply from 220.80.108.83: bytes=32 time=321ms TTL=241
Reply from 220.80.108.83: bytes=32 time=309ms TTL=241
Reply from 220.80.108.83: bytes=32 time=327ms TTL=241
Reply from 220.80.108.83: bytes=32 time=309ms TTL=241
Ping statistics for 220.80.108.83:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 309ms, Maximum = 327ms, Average = 316ms