Looking glasses

The following are useful looking glasses of IP networks on the internet.

Tier 1

 * Italics means poor quality tools.


 * AS3356 - Level3
 * AS3549 - Global Crossing (very slow)
 * AS3257 - Tinet - http://www.as3257.net/lg/
 * AS174 - Cogent
 * AS1299 - Telia
 * AS2914 - NTT
 * AS6453 - Tata
 * AS6762 - Telecom Italia (Bad cert)
 * AS2828 - XO
 * AS1239 - Sprint
 * AS209 - CenturyLink (Quest & Savvis)

Canada

 * AS577 - Bell (East)
 * AS812 - Rogers
 * AS852 - Telus
 * AS11260 - Eastlink
 * AS13768 - Peer1
 * AS14280 - NetNation - BIRD

Winnipeg/Manitoba

 * AS18451 - LES.NET
 * AS26320 - Monarch Industries
 * AS14866 - VOI Networks
 * AS62758 - MFNERC
 * AS20291 - 3T Systems
 * AS395089 - Hextet.systems

Other Interesting

 * AS6939 - Hurricane Electric
 * AS5511 - OpenTransit (France Telecom)
 * AS9002 - ReTN.net (Russia)
 * AS1273 - Cable & Wireless (Init7 Global Backbone)
 * AS19151 - WV Fiber