171 Monitoring Checkpoints

Dedicated monitoring probes on six continents, over 60 countries

The biggest network of checkpoints in the world

171 worldwide monitoring checkpoints on six continents

North America
44 checkpoints
Europe
83 checkpoints
Africa
3 checkpoints
South America
7 checkpoints
Asia
27 checkpoints
Oceania
7 checkpoints

The complete list of our monitoring probe locations

We have built this massive list of monitoring checkpoints to be as close to our customers as possible. Our clients are free to choose from any of these checkpoints to get the best website monitoring service on the market.

You can find a plain list of IP addresses for whitelisting here.
 

North America

Country City Status IPv4 address IPv6 address
United States San Francisco (CA)
Alive
137.184.94.36
Fremont (CA)
Alive
45.56.89.150 2600:3c01::f03c:93ff:fe97:7775
New York City (NY)
Alive
74.119.194.122
Dallas (TX)
Alive
209.145.48.145
Orlando (FL)
Alive
92.38.133.18 2a03:90c0:c6::57
Atlanta (GA)
Alive
155.138.203.9 2001:19f0:5401:82b:5400:3ff:fef1:d578
Austin (TX)
Alive
208.81.246.2
Boston (MA)
Alive
192.34.85.32
Chicago (IL)
Alive
154.12.235.24
Denver (CO)
Alive
192.73.242.94
Honolulu (HI)
Alive
208.72.155.80 2001:19f0:c000:c41f:5400:3ff:fef3:9dc
Houston (TX)
Alive
216.230.231.22
Las Vegas (NV)
Alive
5.226.169.22
Los Angeles (CA)
Alive
149.248.7.54 2001:19f0:6001:bf:5400:3ff:fef1:d58c
Miami (FL)
Alive
45.77.166.217 2001:19f0:9002:1670:5400:3ff:fef3:a1a
Newark (DE)
Alive
64.115.146.31
Phoenix (AZ)
Alive
184.95.56.23
Portland (OR)
Dead
45.76.247.38 2001:19f0:8001:1063:5400:4ff:fe1a:ed65
Sacramento (CA)
Alive
208.17.90.75
San Diego (CA)
Alive
92.223.30.35 2a03:90c0:1a5::b2
Seattle (WA)
Alive
154.53.63.67
Tampa (FL)
Alive
162.252.175.30 2605:3b80:11:4180::1
Washington D.C.
Alive
205.143.207.95
New Jersey (NJ)
Alive
207.246.87.204 2001:19f0:5:60c0:5400:3ff:fef1:eda6
Ashburn (VA)
Alive
5.188.214.23 2a03:90c0:295::d9
Marietta (GA)
Alive
31.13.213.16 2a03:90c0:215::5a
Detroit (MI)
Alive
162.247.76.194
Philadelphia (PA)
Alive
65.79.190.94
Santa Clara (CA)
Alive
92.38.149.59 2a03:90c0:25::6c
Silicon Valley (CA)
Dead
45.32.139.74 2001:19f0:ac01:6a1:5400:3ff:fef1:ed87
Hartford (CT)
Alive
159.247.33.53
Naperville (IL)
Alive
37.9.35.49 2a03:90c0:135::df
Indianapolis (IN)
Alive
168.214.152.25
Milwaukee (WI)
Alive
137.220.57.16 2001:19f0:5c00:1909:5400:4ff:fe1a:ecc2
Baltimore (MD)
Alive
162.255.162.52
Fort Worth (TX)
Alive
155.138.241.31 2001:19f0:6401:d29:5400:4ff:fe1a:ed16
Cleveland (OH)
Alive
65.25.83.5
Salt Lake City (UT)
Alive
155.97.137.59
Canada Toronto
Alive
158.69.124.159 2607:5300:60:919f::1
Montreal
Dead
158.69.63.98 2607:5300:201:3100::46eb
Vancouver
Alive
192.71.227.46 2605:3b80:cad:1a86::1
Toronto #2
Alive
85.208.108.19
Mexico Mexico City
Alive
216.238.71.251 2001:19f0:b400:118c:5400:3ff:fef1:d5c5
Santiago de Querétaro
Dead
89.223.88.11 2a03:90c0:545::a
 

Europe

Country City Status IPv4 address IPv6 address
Austria Vienna
Alive
5.181.21.227 2a13:6305:0:c::1
Graz
Alive
151.236.9.94 2a03:f80:ed31:151:236:9:94:1
Belgium Brussels
Alive
192.71.249.132 2a03:f80:32:ee3a::1
Antwerpen
Alive
95.164.62.8 2a12:6500:0:5::1
Gent
Alive
176.62.160.65
Bulgaria Sofia
Alive
77.91.100.135
Denmark Aarhus
Alive
93.160.88.253
Odense
Alive
95.164.10.36 2a13:6300:0:1a::1
Copenhagen
Alive
192.36.27.88 2a03:f80:45:231a::1
Finland Helsinki
Alive
94.131.100.230 2a11:3805:0:12::1
United Kingdom London
Alive
51.77.119.24 2001:41d0:800:1d18::1
London #2
Dead
51.75.170.220 2001:41d0:801:2000::2fd3
Edinburgh
Alive
45.137.151.66 2a09:cd40:f:436b::1
Glasgow
Alive
78.141.198.130 2001:19f0:7402:1512:5400:3ff:fefc:2448
Manchester
Alive
95.164.37.131
Canary Wharf
Alive
91.132.95.21 2a03:f80:4416:6e7c::1
Portsmouth
Alive
149.102.128.13
Sheffield
Dead
37.61.229.225 2a03:90c0:146::2012
Bristol
Dead
178.128.45.12
Germany Berlin
Dead
45.137.148.23 2a05:8280:f:42ba::1
Frankfurt
Alive
94.131.109.96
Bremen
Alive
82.198.223.25
Cologne
Alive
51.68.180.180 2001:41d0:700:1bb4::1
Düsseldorf
Alive
194.163.128.65
Hamburg
Alive
212.53.132.25
Leipzig
Alive
78.46.1.53
Munich
Alive
80.190.158.99
Nuremberg
Alive
54.38.158.248 2001:41d0:701:1100::a87
Falkenstein
Alive
188.40.52.12
Dresden
Alive
89.15.2.21
Erfurt
Alive
62.157.212.26
Stuttgart
Alive
149.154.159.228 2a03:f80:49:a5dc::1
Greece Athens
Alive
94.131.8.28 2a11:4c04:0:7::1
Ukraine Kyiv
Alive
45.153.229.70
Hungary Budapest
Alive
77.91.72.211
Ireland Dublin
Alive
185.231.207.45 2a0b:cf46:0:7::1
Luxembourg Luxembourg
Alive
45.80.209.100 2a03:90c0:85::2c2
Netherlands Amsterdam
Alive
185.170.213.209 2a0c:b9c0:f:4563::1
Haarlem
Alive
78.141.214.15 2001:19f0:5001:0d74:5400:04ff:fe30:bd7b
Rotterdam
Dead
151.236.14.167 2a00:1768:1003:91dd::1
Utrecht
Alive
94.131.105.224
Norway Bjerke
Alive
95.164.84.180
Oslo
Dead
194.68.32.40 2a03:f80:47:771b::1
Poland Warsaw
Alive
79.137.70.228 2001:41d0:602:2e4::1
Poznan
Dead
151.236.25.95 2a03:f80:48:c6::1
Łódź
Alive
77.91.102.45 2a09:7c40:0:13::1
Kraków
Dead
37.235.48.147 2a03:f80:48:be01::1
Portugal Lisbon
Alive
5.182.39.59
Porto
Alive
80.251.169.141
Romania Bucharest
Alive
94.131.119.234
Russia Moscow
Dead
92.38.139.86
Saint Petersburg
Dead
92.223.65.27
Khabarovsk
Dead
92.38.129.204
Yekaterinburg
Dead
92.223.109.10
Slovakia Bratislava
Alive
5.180.55.83 2a13:6303:0:2::1
Slovenia Ljubljana
Alive
192.71.244.47 2a03:f80:386:67ba::1
Lithuania Vilnius
Dead
192.36.61.24 2a03:f80:370:a00a::1
Latvia Riga
Alive
45.133.216.239 2a09:7c43:0:5::1
Estonia Tallinn
Alive
94.131.15.149 2a11:3801:0:4::1
Croatia Zagreb
Alive
46.183.184.11 2a03:f80:385:46:183:184:11:1
Spain Barcelona
Alive
94.131.117.107 2a11:4c00:0:3::1
Madrid
Alive
185.170.212.204 2a09:cd45:1:8770::1
Seville
Alive
37.235.53.104 2a00:1d70:ed15:297f::1
France Strasbourg
Dead
152.228.133.230 2001:41d0:404:200::81f4
Paris
Alive
185.170.214.187 2a09:cd41:f:430c::1
Lyon
Dead
158.255.215.105 2a03:f80:33:d863::1
Marseille
Alive
94.232.247.26 2a0b:cf47:0:76::1
Roubaix
Alive
51.255.95.82 2001:41d0:1004:2552::1
Gravelines
Dead
162.19.66.220 2001:41d0:304:200::33eb
Italy Rome
Alive
5.253.43.209
Milan
Alive
92.223.79.42 2a03:90c0:1b5::24
Bologna
Alive
5.90.1.4
Turin
Alive
5.89.17.34
Czech Republic Prague
Alive
193.43.147.200
Sweden Stockholm
Alive
185.243.215.192 2a09:cd42:f:4323::1
Malmö
Dead
70.34.204.185 2a05:f480:2000:231d:5400:4ff:fe5a:925c
Göteborg
Alive
178.73.210.249 2a00:1a28:1251:b2da::1
Uppsala
Alive
37.221.126.154 2a11:3802:0:b::1
Switzerland Bern
Alive
159.144.158.96
Geneva
Alive
5.182.36.206 2a11:4c03:0:f::1
Zurich
Alive
178.209.50.220 2a02:418:6a04:629d::1
Turkey Istanbul
Alive
193.57.136.107
Moldova Chisinau
Alive
45.84.0.25
 

South America

Country City Status IPv4 address IPv6 address
Argentina Buenos Aires
Alive
200.42.136.21
Brazil Brasília
Alive
95.164.4.239 2a14:2d81:0:b::1
Sao Paolo
Alive
216.238.110.248 2001:19f0:b800:183a:5400:3ff:fef1:847a
Fortaleza
Alive
5.252.24.165 2a03:90c0:525::142
Chile Santiago
Dead
216.73.159.125
Peru Lima
Alive
87.121.99.218 2a03:90c0:555::662
Panama Panama City
Alive
186.72.79.24
 

Asia

Country City Status IPv4 address IPv6 address
Japan Tokyo
Dead
45.77.178.221 2001:19f0:7001:48eb:5400:3ff:fef1:ed80
Nagoya
Alive
155.133.7.23
Osaka
Alive
64.176.38.5 2401:c080:3800:2e89:5400:4ff:fe4d:6457
Sapporo
Alive
103.19.2.131
Singapore Singapore
Dead
51.79.240.138 2402:1f00:8000:800::281a
Singapore #2
Dead
194.233.94.210
China Beijing
Alive
39.105.113.253
Shanghai
Alive
43.240.124.23
Shenzen
Dead
158.255.208.25 2a03:f80:852:a0b1::1
Kazakhstan Almaty
Alive
213.156.137.134
Vietnam Hanoi
Dead
38.54.30.93
Hong Kong Hong Kong
Alive
185.74.222.179 2a09:7c45:0:19::1
India Chennai
Alive
14.139.160.70
Bengalore
Alive
128.199.17.77
Mumbai
Alive
65.20.67.148 2401:c080:2400:1268:5400:3ff:fef1:d5af
New Delhi
Alive
139.84.162.156 2401:c080:3400:2c33:5400:4ff:fe30:bc87
Indonesia Jakarta
Alive
38.60.191.155
South Korea Seoul
Alive
158.247.203.244 2401:c080:1c01:25a:5400:3ff:fef1:845c
Malaysia Kuala Lumpur
Dead
38.54.97.12
Philippines Manila
Alive
38.54.36.13
Taiwan Taipei
Alive
38.54.107.219
Thailand Bangkok
Alive
38.54.33.193
Cambodia Phnom Penh
Dead
38.54.4.225
 

Oceania

Country City Status IPv4 address IPv6 address
Australia Sydney
Dead
139.99.236.25 2402:1f00:8100:400::1996
Adelaide
Alive
146.185.214.151 2a03:90c0:105::55
Brisbane
Dead
172.105.180.165 2400:8907::f03c:93ff:fecb:6104
Canberra
Dead
45.76.117.187 2001:19f0:5801:1989:5400:04ff:fe2d:ea08
Melbourne
Alive
67.219.101.98 2401:c080:2000:1575:5400:3ff:fef1:d5b6
Perth
Alive
154.26.155.233
New Zealand Auckland
Dead
103.208.86.179
 

Middle East

Country City Status IPv4 address IPv6 address
Bahrain Manamah
Alive
87.237.196.10
Israel Tel Aviv
Alive
77.91.74.201
Saudi Arabia Riyadh
Alive
95.177.214.34
United Arab Emirates Dubai
Alive
38.54.75.244
Qatar Doha
Alive
213.130.121.18
 

Africa

Country City Status IPv4 address IPv6 address
Egypt Cairo
Alive
213.158.188.34
South Africa Johannesburg
Alive
5.188.133.208 2a03:90c0:1f5::3f
Cape Town
Alive
197.98.12.17