Glossary
CIDR block
A range of addresses written as a prefix, for example a /24 holding 256 addresses.
Allow-lists and block lists are often written as CIDR ranges, so a block against one address in a range can spread to neighbours.
Related terms
- Autonomous system number (ASN)
The identifier of a network operator on the internet, such as a carrier, an ISP or a hosting company. - IP allow-list authentication
Authenticating by the address you connect from instead of a username and password.
Test it on your own targets.
Create an account, run the measurement harness against your real workload, and read the numbers before you commit to anything.