Monitoring Network

We monitor your websites and servers from a network of 16 worldwide monitoring stations. This helps to reduce and eliminate false alarms.

Below are information of our monitoring stations, they are subject to change without prior notice. If you use this information for setting up your firewall, please subscribe to the "Important updates & announcements" mailing (login to your account, go to Account -> Account Details) so that we can notify you whenever there is a change in our IP addresses.

You may also subscribe to our XML feed.

No.
Monitoring Station
IP Address
Bandwidth Carrier
1 Seattle, Washington, USA 216.176.179.82 Internap
2 San Jose, California, USA 69.22.166.25 Limelight, nLayer
3 Ashburn, Virginia, USA 74.200.95.42 PCCWGlobal, Limelight Network, nLayer, Cogent, Hurricane Electric, ServerCentral
4 Chicago, Illinois, USA 74.200.92.42 Hurricane Electric, PCCWGlobal
5 Secaucus, New Jersey, USA 204.14.88.163 Internap, Bandcon
6 Montreal, Quebec, Canada 72.55.164.246 Tata Communications, Videotron, Peer1, TorIX, Level 3, Deutsche Telekom
7 Maidenhead, Berkshire, UK 85.234.152.91 Euroconnex
8 Roubaix, France 94.23.240.44 Global Croissing, Teleglobe, FreeTelecom, Sfinx, FreeIX, Telehouse 1, Telehouse 2, Redbus, Global Switch
9 Amsterdam, Netherlands 83.149.104.60 TeliaSonera, Abovenet, Teleglobe, Interoute, AMS-IX, KPN, UUNET, DE-CIX
10 Madrid, Spain 77.240.118.10 Ibericahost
11 Milan, Italy 78.159.196.25 Retelit
12 Frankfurt, Hesse, Germany 212.95.32.114 AMS-IX, DE-CIX, LINX, DTAG, Global Crossing, Tiscali
13 Singapore 203.211.130.204 Reach, ANC, Pacific Internet, Singtel MegaPOP, StarHub
14 Zhongzheng, Taipei, Taiwan 219.84.160.129 So-Net
15 Neihu, Taipei, Taiwan 202.168.198.9 eASPNet
16 Brisbane, Queensland, Australia 203.31.191.5 Optus, Telstra, Pipe Networks