Monitoring Network

We monitor your websites and servers from a network of 15 worldwide monitoring stations. This helps to reduce and eliminate false alarms.

Global Monitoring Locations

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 Settings) 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	95.211.10.34	TeliaSonera, Abovenet, Teleglobe, Interoute, AMS-IX, KPN, UUNET, DE-CIX
10	Milan, Italy	5.144.160.79	NML
11	Frankfurt, Hesse, Germany	212.95.32.114	AMS-IX, DE-CIX, LINX, DTAG, Global Crossing, Tiscali
12	Singapore	203.211.130.204	Reach, ANC, Pacific Internet, Singtel MegaPOP, StarHub
13	Zhongzheng, Taipei, Taiwan	219.84.160.129	So-Net
14	Neihu, Taipei, Taiwan	202.168.198.9	eASPNet
15	Brisbane, Queensland, Australia	203.31.191.5	Optus, Telstra, Pipe Networks