THE PLANET
The Planet internal network architecture utilizes the Enterprise routing and switching engines from Juniper and Cisco. We utilize Juniper M20 routers as border routers, Cisco 6500 series switches in our distribution layer, Cisco 6500 and 5500 switches in our aggregation layers, and Cisco 3500 and 2900 series switches at the customer layer. Our network is fully meshed and redundant with 6 backbone providers. Our current network consists of, UUNet (GigE), Level 3 (GigE), Time Warner (GigE), Global Crossing (GigE), Verio (GigE), and ATT (DS3).
More info at http://www.theplant.com

eXchange @ 200 Paul
eXchange @ 200 Paul facilities have attracted a broad array of carriers and telecom service providers. By aggregating the largest collection of carriers and networks in North America, eXchange @ 200 Paul minimizes local access charges and capital costs, creating an efficient marketplace for both carriers and enterprises. More info at http://www.e200paul.com

VDI
VDI has designed its network so it's scalable for all situations;  Professional Network Administrators on duty 24 / 7.  Whether you need 10 MBPS or 1 Gig of data transfer VDI can provide the solutions for your business.  All equipment is protected by UPS and Generators. VDI is a true Application Service Provider for your Business. Peering with major backbones. the Internet traffic speeds are as good as the other networks maintain them, http://www.internethealthreport.com is a good site to check out backbone latency. More info at http://www.vdi.net