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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 216.176.179.82
2 Bend, Oregon, USABend, Oregon, USA 94.158.244.7
3 Los Angeles 1, California, USALos Angeles 1, California, USA 67.215.229.210
4 Los Angeles 2, California, USALos Angeles 2, California, USA 23.250.125.122
5 Los Angeles 3, California, USALos Angeles 3, California, USA 104.149.17.154
6 Phoenix, Arizona, USAPhoenix, Arizona, USA 209.188.15.100
7 Dallas 1, Texas, USADallas 1, Texas, USA 74.117.132.254
8 Dallas 2, Texas, USADallas 2, Texas, USA 104.217.251.178
9 Chicago, Illinois, USAChicago, Illinois, USA 68.235.39.99
10 Lansing, Michigan, USALansing, Michigan, USA 67.225.218.51
11 Buffalo, New York, USABuffalo, New York, USA 23.236.155.2
12 Secaucus, New Jersey, USASecaucus, New Jersey, USA 208.87.24.100
13 Orlando, Florida, USAOrlando, Florida, USA 66.35.77.34
14 Montreal 1, Quebec, CanadaMontreal 1, Quebec, Canada 199.16.128.31
15 Montreal 2, Quebec, CanadaMontreal 2, Quebec, Canada 173.209.42.57
Europe
16 Coventry, UKCoventry, UK 78.157.209.245
17 Maidenhead, UKMaidenhead, UK 91.206.183.42
18 Reading, UKReading, UK 185.43.77.53
19 Paris, FranceParis, France 146.88.232.246
20 Amsterdam, NetherlandsAmsterdam, Netherlands 95.211.10.34
21 Dronten, NetherlandsDronten, Netherlands 213.5.68.18
22 Rotterdam, NetherlandsRotterdam, Netherlands 213.163.72.163
23 Frankfurt, GermanyFrankfurt, Germany 82.211.6.4
24 Milan, ItalyMilan, Italy 5.144.160.79
25 Vienna, AustriaVienna, Austria 77.244.250.227
26 Stockholm, SwedenStockholm, Sweden 31.3.155.125
27 Warsaw, PolandWarsaw, Poland 51.38.150.118
28 Siauliai, LithuaniaSiauliai, Lithuania 213.252.244.174
29 Iasi, RomaniaIasi, Romania 185.225.17.93
30 Chisinau, MoldovaChisinau, Moldova 185.163.45.98
Asia/Pacific
31 Tehran, IranTehran, Iran 5.144.129.206
32 Jaipur, IndiaJaipur, India 103.10.234.171
33 Osaka, JapanOsaka, Japan 103.88.45.14
34 Hong Kong SAR 1, ChinaHong Kong SAR 1, China 103.109.100.141
35 Hong Kong SAR 2, ChinaHong Kong SAR 2, China 180.235.132.75
36 Hong Kong SAR 3, ChinaHong Kong SAR 3, China 45.125.1.28
37 Bangkok, ThailandBangkok, Thailand 43.230.27.40
38 Singapore 1Singapore 1 202.150.208.170
39 Singapore 2Singapore 2 103.16.19.40
40 Brisbane, AustraliaBrisbane, Australia 223.252.37.233
41 Sydney, AustraliaSydney, Australia 103.57.166.243
42 Auckland, New ZealandAuckland, New Zealand 103.6.29.97
43 Christchurch, New ZealandChristchurch, New Zealand 202.174.114.86
Others
44 Buenos Aires, ArgentinaBuenos Aires, Argentina 190.106.128.138