Reports on the current performance of major Internet routes around the world.

Delivers data about network performance (latency) between major United States Internet backbones.

A moderated repository to support widespread access to traces of Internet network traffic. The traces can be used to study network dynamics, usage characteristics, and growth patterns.

Data on AT&T's IP Network Performance. AT&T manages one of the Internet's backbones.

Bell Labs research group. Contains theories, statistics, reports, and free measurement tools for networks.

Technical information and links regarding long term statistics. In depth Analysis of traffic over the major protocols.