Allow listing domains, ports and IP addresses

Necessary domains, ports, and IP addresses to be allowlisted to allow access through my firewall for the server monitoring agent

The server monitoring agent uses one-way outbound HTTPS to communicate with the Site24x7 central server. Please provide access to the below ports and domains to facilitate this communication:

Domains - dms.zoho.com (Device messaging system), plus.site24x7.com (Primary data center), plus2.site24x7.com (Disaster recovery data center), plus3.site24x7.com (Disaster recovery data center), logu.site24x7.com (Log receiver)

Ports - 443 (outbound port)

IP addresses to be whitelisted:

Region
Domain
Data Center
IP Range
IP Usable Range
USA Data Center
Seattle, USA 
plus.site24x7.com, logu.site24x7.com
logc.site24x7.com
Primary data center
  1. 136.143.176.0/23,
  2. 136.143.186.0/23, 
  3. 136.143.189.0/24,
  4. 136.143.190.0/23,
  5. 204.141.42.0/23

  1. 136.143.176.1 to 136.143.177.254
  1. 136.143.186.1 to 136.143.187.254
  1. 136.143.189.1 to 136.143.189.254
  1. 136.143.190.1 to 136.143.191.254
  1. 204.141.42.1 to 204.141.43.254
Dallas, USA
plus2.site24x7.com
Secondary data center
  1. 136.143.178.0/23,
  2. 136.143.180.0/23,
  3. 136.143.182.0/23,
  4. 136.143.185.0/24,
  5. 204.141.32.0/23

  1. 136.143.178.1 to 136.143.179.254
  1. 136.143.180.1 to 136.143.181.254
  1. 136.143.182.1 to 136.143.183.254
  1. 136.143.185.1 to 136.143.185.254
  1. 204.141.32.1 to 204.141.33.254
Amsterdam, Netherlands
plus3.site24x7.com
Tertiary data center for USA
  1. 31.186.243.0/24
  2. 185.20.209.0/24


  1. 31.186.243.1 to 31.186.243.254,
  1. 185.20.209.1 to 185.20.209.254
Europe Data Center
Amsterdam, Netherlands
plus.site24x7.eu, logu.site24x7.eu
logc.site24x7.eu
Primary data center
  1. 31.186.243.0/24
  2. 185.20.209.0/24
  3. 213.244.146.0/24
  4. 185.230.212.0/23

  1. 31.186.243.1 to 31.186.243.254,
  1. 185.20.209.1 to 185.20.209.254,
  1. 213.244.146.1 to 213.244.146.254,
  1. 185.230.212.1 to 185.230.213.254
Dublin, Ireland
plus2.site24x7.eu
Secondary data center
  1. 87.252.213.0/24
  2. 89.36.170.0/24
  3. 217.163.72.0/24
  4. 185.230.214.0


  1. 87.252.213.0 to 87.252.213.255,
  1. 89.36.170.0 to 89.36.170.255,
  1. 217.163.72.0 to 217.163.72.255,
  1. 185.230.214.0 to 185.230.214.255

China Data Center
Shanghai, China
plus.site24x7.cn
logu.site24x7.cn
logc.site24x7.cn
Primary data center

  1. 163.53.93.0/24
  2. 163.53.94.0/27
  3. 118.126.63.128/25
  4. 118.126.63.64/26
  5. 103.212.59.96/29


  1. 163.53.93.1 to 163.53.93.254
  1. 163.53.94.1 to 163.53.94.30
  1. 118.126.63.129 to 118.126.63.254
  1. 118.126.63.65 to 118.126.63.126
  1. 103.212.59.97 to 103.212.59.102

Beijing, China
plus2.site24x7.cn
Secondary data center

  1. 124.251.121.0/24
  2. 124.251.122.0/25
  3. 124.251.128.0/24 


  1. 124.251.121.1 to 124.251.121.254
  1. 124.251.122.1 to 124.251.122.126
  1. 124.251.128.1 to 124.251.128.254

India Data Center
Mumbai, India
plus.site24x7.in
logu.site24x7.in
logc.site24x7.in
Primary data center

  1. 103.103.198.0/24
  2. 103.117.159.0/24
  3. 103.89.74.0/24
  4. 169.148.148.0/23


  1. 103.103.198.1 to 103.103.198.254
  1. 103.117.159.1 to 103.117.159.254
  1. 103.89.74.1 to 103.89.74.254
  1. 169.148.148.1 to 169.148.149.254

Chennai, India
plus2.site24x7.in
Secondary data center

  1. 103.103.196.0/24
  2. 103.103.197.0/24
  3. 103.117.158.0/24
  4. 103.89.75.0/24


  1. 103.103.196.1 to 103.103.196.254
  1. 103.103.197.1 to 103.103.197.254
  1. 103.117.158.1 to 103.117.158.254
  1. 103.89.75.1 to 103.89.75.254

Australia Data Center
Sydney, Australia
plus.site24x7.net.au
logu.site24x7.net.au
logc.site24x7.net.au
Primary data center
  1. 101.97.36.0/24
  2. 103.138.128.0/23

  1. 101.97.36.1 to 101.97.36.254
  1. 103.138.128.1 to 103.138.129.254

Melbourne, Australia
plus2.site24x7.net.au
Secondary data center

  1. 103.91.166.0/24
  2. 165.173.191.0/24


  1. 103.91.166.1 to 103.91.166.254
  1. 165.173.191.1 to 165.173.191.254 

Saudi Arabia Data Center
Riyadh, Saudi Arabia
plus.site24x7.sa
logu.site24x7.sa
logc.site24x7.sa
Primary data center
199.67.80.0/23
199.67.80.1 to 199.67.81.254
Jeddah, Saudi Arabia
plus2.site24x7.sa
Secondary data center
199.67.82.0/23
199.67.82.1 to 199.67.83.254
Canada Data Center
Toronto, Canada
plus.site24x7.ca
logu.site24x7.ca
logc.site24x7.ca
Primary data center

  1. 199.67.84.0/24
  2. 199.67.85.0/24
  3. 199.67.87.0/24


  1. 199.67.84.1 to 199.67.84.254
  1. 199.67.85.1 to 199.67.85.254
  1. 199.67.87.1 to 199.67.87.254

Montreal, Canada
plus2.site24x7.ca
Secondary data center

  1. 199.67.86.0/24
  2. 199.67.69.0/24


  1. 199.67.86.1 to 199.67.86.254 
  1. 199.67.69.1 to 199.67.69.254

Japan Data Center
Tokyo, Japan
plus.site24x7.jp
logu.site24x7.jp
logc.site24x7.jp
Primary data center

  1. 193.118.160.0/24
  2. 103.163.152.0/23


  1. 193.118.160.1 to 193.118.160.254
  1. 103.163.152.1 to 103.163.153.254

Osaka, Japan
plus2.site24x7.jp
Secondary data center

  1. 193.118.161.0/24

  1. 193.118.161.1 to 193.118.161.254
UK Data Center
London, UK
plus.site24x7.uk
logu.site24x7.uk
logc.site24x7.uk
Primary data center
  1. 199.67.88.0/24
  2. 169.148.131.0/24

  1. 199.67.88.1 to 199.67.88.254
  1. 169.148.131.1 to 169.148.131.254
Manchester, UK

Secondary data center

  1. 199.67.89.0/24
  2. 169.148.129.0/24


  1. 199.67.89.1 to 199.67.89.254
  2. 169.148.129.1 to 169.148.129.254




    • Related Articles

    • How to uninstall the Site24x7 Windows Server Monitoring Agent

      Method 1: To uninstall the Site24x7 Windows Server Monitoring Agent, click the link below: https://staticdownloads.site24x7.com/server/Site24x7WindowsAgentUninstall.zip Unzip and execute the Uninstall.bat file in the Command Prompt as an ...

    • Executables and scripts to allow for Windows server monitoring

      One of the reasons you could not enable Site24x7 server monitoring could be your organization's group policy denying access to the executables, scripts, and batch files associated with Site24x7 server monitoring. Mark the following executables, ...

    • Automating your IP allowlisting

      For an uninterrupted monitoring experience, IP addresses of Site24x7's monitoring locations should be allowlisted in your firewall policy. Read this article to know more. Now, Site24x7 has mapped all the IP addresses of our global monitoring ...

    • Continent-wise listing of our monitoring locations along with their IP addresses

      You can follow this page to view the continent-wise split-up of our monitoring locations along with their IP addresses. Also, get to know the list of SMTP servers that need to be allow-listed to receive all alerts/reports/notifications. For your ease ...

    • Troubleshooting false positive alerts in monitoring

      Problem False positive alerts are being generated. Possible cause The monitoring system is down in some locations. The Website monitor might be configured for one location, such as Seattle, but may appear down when accessed from another location, ...