Monitoring Network

We monitor your websites and servers from a network of 30 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 "Changes of monitoring network" 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
North America
1 Seattle, Washington, USASeattle, Washington, USA
2 Los Angeles 1, California, USALos Angeles 1, California, USA
3 Los Angeles 2, California, USALos Angeles 2, California, USA
4 Los Angeles 3, California, USALos Angeles 3, California, USA
5 Phoenix, Arizona, USAPhoenix, Arizona, USA
6 Dallas 1, Texas, USADallas 1, Texas, USA
7 Dallas 2, Texas, USADallas 2, Texas, USA
8 Chicago, Illinois, USAChicago, Illinois, USA
9 Lansing, Michigan, USALansing, Michigan, USA
10 Buffalo, New York, USABuffalo, New York, USA
11 Secaucus, New Jersey, USASecaucus, New Jersey, USA
12 Orlando, Florida, USAOrlando, Florida, USA
13 Valencia, SpainValencia, Spain
14 Coventry, UKCoventry, UK
15 Maidenhead, UKMaidenhead, UK
16 Roubaix, FranceRoubaix, France
17 Amsterdam, NetherlandsAmsterdam, Netherlands
18 Dronten, NetherlandsDronten, Netherlands
19 Rotterdam 1, NetherlandsRotterdam 1, Netherlands
20 Rotterdam 2, NetherlandsRotterdam 2, Netherlands
21 Frankfurt, GermanyFrankfurt, Germany
22 Milan, ItalyMilan, Italy
23 Stockholm, SwedenStockholm, Sweden
24 Tehran, IranTehran, Iran
25 Jaipur, IndiaJaipur, India
26 SingaporeSingapore
27 Brisbane, AustraliaBrisbane, Australia
28 Sydney, AustraliaSydney, Australia
29 Auckland, New ZealandAuckland, New Zealand
30 Christchurch, New ZealandChristchurch, New Zealand