--- layout: "fastly" page_title: "Fastly: fastly_ip_ranges" sidebar_current: "docs-fastly-datasource-ip_ranges" description: |- Get information on Fastly IP ranges. --- # fastly\_ip_ranges Use this data source to get the [IP ranges][1] of Fastly edge nodes. ## Example Usage ``` data "fastly_ip_ranges" "fastly" { } resource "aws_security_group" "from_fastly" { name = "from_fastly" ingress { from_port = "443" to_port = "443" protocol = "tcp" cidr_blocks = [ "${data.fastly_ip_ranges.fastly.cidr_blocks}" ] } } ``` ## Attributes Reference * `cidr_blocks` - The lexically ordered list of CIDR blocks. [1]: https://docs.fastly.com/guides/securing-communications/accessing-fastlys-ip-ranges