# Reserved IP Details – DigitalOcean Documentation > Features, plans and pricing, availability, limits, known issues, and more. - [Reserved IP Features](https://docs.digitalocean.com/products/networking/reserved-ips/details/features/index.html.md): Reserved IPs let you redirect network traffic between any of your Droplets within the same datacenter. Assigning a reserved IP to a Droplet doesn’t replace or change its original public IP address. You can use reserved IPs to create server infrastructures … - [Reserved IPs Pricing](https://docs.digitalocean.com/products/networking/reserved-ips/details/pricing/index.html.md): All reserved IPs are free when assigned to a Droplet. Reserved IPv4 addresses cost $5.00 per month ($0.01 per hour) when reserved but not assigned to a Droplet, due to the shortage of available IPv4 addresses. You are not billed unless you accrue $1 or … - [Reserved IP Availability](https://docs.digitalocean.com/products/networking/reserved-ips/details/availability/index.html.md): Reserved IPv4 addresses are available in all datacenters. Reserved IPv6 addresses are available in all datacenters. All reserved IP addresses are region-specific resources and can only be assigned to Droplets within the same datacenter. BYOIP is available … - [Reserved IP Limits](https://docs.digitalocean.com/products/networking/reserved-ips/details/limits/index.html.md): Limits and known issues for Reserved IPs.