Monitoring Network

We monitor your websites and servers from a network of 20 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 Dallas, Texas, USA 174.132.46.210 AT&T, AboveNet, Broadwing, Global Crossing, Level3, nLayer, Sprint, Time Warner, UUNET, Verio
4 Washington DC, USA 209.160.73.219 Looking Glass Networks, Level 3, MCI, Verizon Business, Cogent
5 Ashburn, Virginia, USA 74.200.95.42 PCCWGlobal, Limelight Network, nLayer, Cogent, Hurricane Electric, ServerCentral
6 Chicago, Illinois, USA 74.200.92.42 Hurricane Electric, PCCWGlobal
7 Secaucus, New Jersey, USA 204.14.88.163 Internap, Bandcon
8 Montreal, Quebec, Canada 72.55.164.246 Tata Communications, Videotron, Peer1, TorIX, Level 3, Deutsche Telekom
9 Maidenhead, Berkshire, UK 85.234.152.91 Euroconnex
10 Roubaix, France 94.23.240.44 Global Croissing, Teleglobe, FreeTelecom, Sfinx, FreeIX, Telehouse 1, Telehouse 2, Redbus, Global Switch
11 Amsterdam, Netherlands 83.149.104.60 TeliaSonera, Abovenet, Teleglobe, Interoute, AMS-IX, KPN, UUNET, DE-CIX
12 Madrid, Spain 77.240.118.10 Ibericahost
13 Milan, Italy 78.159.196.25 Retelit
14 Frankfurt, Hesse, Germany 212.95.32.114 AMS-IX, DE-CIX, LINX, DTAG, Global Crossing, Tiscali
15 Singapore 203.211.130.204 Reach, ANC, Pacific Internet, Singtel MegaPOP, StarHub
16 Zhongzheng, Taipei, Taiwan 219.84.160.129 So-Net
17 Neihu, Taipei, Taiwan 202.168.198.9 eASPNet
18 Beijing, China 122.70.147.158 CTTNET
19 Istanbul, Turkey 85.153.34.60 Turk Telekom
20 Brisbane, Queensland, Australia 203.31.191.5 Optus, Telstra, Pipe Networks