Looking Glass Sites

Last updated: 10/08/06

You can access any of these publicly available route servers to view routing tables and explore current routing in the Internet. Further contributions are welcome - please contact us at nanog-support@merit.edu.

CAIDA's pointers to reverse traceroute and looking glass servers (Includes clickable map)

Routing-Related (Route Servers, etc.)

  • ATT (U.S.)
  • CERFnet (try show ip routes)
  • CTS
  • Cistron(nl)
  • LINX
  • Cybercity (Denmark)
  • Lyceum
  • IMNET.jp
  • DTI.jp
    • Lookingglass source code: http://traceroute.org/#source%20code

  • .comDominio Data Centers Looking Glass (IPv4/IPv6)
    lg.comdominio.com.br/ (Brazil)

  • Host.net
    IPv4/IPv6-capable looking glass server | IPv4/IPv6-capable route server

  • Looking Glass Wiki
    www.bgp4.net/lg

  • Netdigix Route Server
    http://www.netdigix.com/servers.html

  • Allstream Canada Route Servers
    telnet://route-server.east.attcanada.com (Toronto)
    telnet://route-server.west.attcanada.com (Vancouver)

  • TELUS Route Server
    telnet://route-views.on.bb.telus.com

  • Seabone Looking Glass (on the Telecom Italia international backbone)

  • AboveNet Looking Glass

  • ConXion Looking Glass

  • Group Telecom Backbone Route Monitor, maintains peerings with key infrastructure routers in the Group Telecom backbone.

  • Sprintlink Looking Glass

  • v4/v6 site from NTI, Japan

  • Links to global looking glasses from Swisscom IP-Plus

  • Broadwing's looking glass

  • Traceroute from Turkey
    Operated by UlakNet, the National Academic Backbone of Turkey.

  • Traceroute by country/state
    Many resources, including a traceroute against Spam.

  • traceroute.org
    Comprehensive listing of looking glass sites.

  • Tele Danmark Looking Glass

  • CETLink's Looking Glasses

  • Telnet to 12.0.1.28 or route-server.ip.att.net to reach the AT&T WorldNet Common Backbone Route Monitor, which maintains peerings with key infrastructure routers at many U.S. exchange points.

  • IPMA's Looking Glass Site
    Near-real-time access to the Route Server routing tables.

  • CERFnet BGP Route Server
    Reflects CERFnet's peering arrangements at various IXPs.

  • IPF.NET Network Operations Looking Glass Service
    Cisco looking glass on the IPF.NET backbone.

  • Cybercity Looking Glass
    Located in Copenhagen and inspired by, and almost completely run by, the same software as the server at DIGEX.

  • Planet Online Looking Glass Site
    Query U.S. and international IXPs for BGP summaries, other statistics.

  • Interactive Networx Looking Glass Site
    Ping, traceroute, other queries, from router in Berlin.

  • Oregon Exchange BGP Route Viewer
    Router with full routing and several views. Provided by Dave Meyer, Cisco.

  • CTSNet
    Search BGP routing tables for network addresses.

  • IMnet Looking Glass Page
    From Japan, includes pointers to other servers.

  • DTI Looking Glass Page
    Pointers to servers in Japan.

  • Lyceum Network Tools
    Route lookups, traceroutes from Lyceum Internet.

    •