[Index Page],
[Class A]
Class A Networks - Block 63
63.0.0.0 - 63.29.255.255 UUNET Technologies, Inc., VA (NETBLK-NETBLK-UUNET97DU)
63.64.0.0 - 63.83.255.255 UUNET Technologies, Inc., VA (NETBLK-UUNET63);
[63.64],
[63.65],
[63.66],
[63.67],
[63.68],
[63.69],
[63.70],
[63.71],
[63.72],
[63.73],
[63.78],
[63.79],
[63.80],
[63.81]
63.176.0.0 - 63.176.255.255 Sprint, VA (NETBLK-SPRINT-IPDIAL)
63.192.0.0 - 63.198.255.255 Pacific Bell Internet Services,Inc. (NETBLK-PBI-NET-7);
[63.192],
[63.193],
[63.194],
[63.196]
63.208.0.0 - 63.211.255.255 Level 3 Communications, LLC, CO (NETBLK-LEVEL4-CIDR);
[63.209]
63.224.0.0 - 63.225.255.255 U S WEST Communications Svcs, Inc. (NETBLK-USW-INTERACT99);
[63.224],
[63.225]
63.232.0.0 - 63.233.127.255 Qwest Communications, CO (NETBLK-NET-QWEST-63BLKS)