Monitoring Network

We monitor your websites and servers from a network of 44 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 Bend, Oregon, USABend, Oregon, USA
3 Los Angeles 1, California, USALos Angeles 1, California, USA
4 Los Angeles 2, California, USALos Angeles 2, California, USA
5 Los Angeles 3, California, USALos Angeles 3, California, USA
6 Phoenix, Arizona, USAPhoenix, Arizona, USA
7 Dallas 1, Texas, USADallas 1, Texas, USA
8 Dallas 2, Texas, USADallas 2, Texas, USA
9 Chicago, Illinois, USAChicago, Illinois, USA
10 Lansing, Michigan, USALansing, Michigan, USA
11 Buffalo, New York, USABuffalo, New York, USA
12 Secaucus, New Jersey, USASecaucus, New Jersey, USA
13 Orlando, Florida, USAOrlando, Florida, USA
14 Montreal 1, Quebec, CanadaMontreal 1, Quebec, Canada
15 Montreal 2, Quebec, CanadaMontreal 2, Quebec, Canada
16 Coventry, UKCoventry, UK
17 Maidenhead, UKMaidenhead, UK
18 Reading, UKReading, UK
19 Paris, FranceParis, France
20 Amsterdam, NetherlandsAmsterdam, Netherlands
21 Dronten, NetherlandsDronten, Netherlands
22 Rotterdam, NetherlandsRotterdam, Netherlands
23 Frankfurt, GermanyFrankfurt, Germany
24 Milan, ItalyMilan, Italy
25 Vienna, AustriaVienna, Austria
26 Stockholm, SwedenStockholm, Sweden
27 Warsaw, PolandWarsaw, Poland
28 Siauliai, LithuaniaSiauliai, Lithuania
29 Iasi, RomaniaIasi, Romania
30 Chisinau, MoldovaChisinau, Moldova
31 Tehran, IranTehran, Iran
32 Jaipur, IndiaJaipur, India
33 Osaka, JapanOsaka, Japan
34 Hong Kong SAR 1, ChinaHong Kong SAR 1, China
35 Hong Kong SAR 2, ChinaHong Kong SAR 2, China
36 Hong Kong SAR 3, ChinaHong Kong SAR 3, China
37 Bangkok, ThailandBangkok, Thailand
38 Singapore 1Singapore 1
39 Singapore 2Singapore 2
40 Brisbane, AustraliaBrisbane, Australia
41 Sydney, AustraliaSydney, Australia
42 Auckland, New ZealandAuckland, New Zealand
43 Christchurch, New ZealandChristchurch, New Zealand
44 Buenos Aires, ArgentinaBuenos Aires, Argentina