Allowlisting - Public IP and private IP addresses April 23, 2026 08:10 Updated Public and private IP addresses serve different purposes in your network. In some cases, you could need BOC to allowlist some IPs of your network, to reach your BOC-hosted ADONIS, ADOIT or ADOGRC.In such cases, BOC technical support will need your public IP addresses.Private IP addresses are used within a local network, enabling internal communication and keeping devices on that network separate from the public internet. IP Ranges Range CIDR Notation Type 0.0.0.0 0.0.0.0/8 Private 10.0.0.0 – 10.255.255.255 10.0.0.0/8 Private 127.0.0.0 – 127.255.255.255 127.0.0.0/8 Private 169.254.0.0 – 169.254.255.255 169.254.0.0/16 Private 172.16.0.0 – 172.31.255.255 172.16.0.0/12 Private 192.168.0.0 – 192.168.255.255 192.168.0.0/16 Private 100.64.0.0 – 100.127.255.255 100.64.0.0/10 Private 224.0.0.0 – 239.255.255.255 224.0.0.0/4 Private 240.0.0.0 – 255.255.255.254 240.0.0.0/4 Private 255.255.255.255 - Private All others - Public Public IP addresses Global Uniqueness: Each public IP address is distinct and visible on the internet. Internet Access: Devices with public IP addresses can directly connect to the internet. External Communication: Public IP addresses are used to identify devices on the internet, allowing communication with other devices and services globally. Private IP addresses Local Network:Private IP addresses are used within a specific network, such as your home or office network. Internal Communication:Devices within the same network can communicate with each other using private IP addresses. Not Routable on the Internet:Private IP addresses are not directly accessible from the internet. How do I find my own public IP address? To determine your public IP address, it is necessary to use a public service. There are numerous free third-party service providers and tools available, which can be easily located by performing a web search for what is my IP address? Related articles IP Allowlists for environments hosted by BOC Incomplete or false search results are returned (FTS) Changes in Authentication Requirements for Microsoft Exchange How to download a Support Information Package (SIP)? How to generate a HAR file?