This article explains which IP addresses Bitly uses and why it's important to allowlist them on your company's network.
What are Bitly's IP addresses?
Bitly currently serves our core applications via the following IP addresses:
- 67.199.248.0/24
- 199.91.151.0/24
Why Allowlist Bitly's IP Addresses?
If your company restricts or filters IP addresses on its network, it's important to allowlist Bitly's IP addresses. This ensures that Bitly's services are not accidentally flagged as malicious by your company's security parameters.
Allowlisting is typically done through your IT department and is a common practice in larger organizations with extra security measures in place.
Important notes:
- These IP addresses are used to connect to our services, not what we use to deliver webhook events.
- The IP addresses are in CIDR notation.
- In order to access all of our services, please ensure that TCP ports 80 and 443 are allowed via the IP range above.
- These IPs may change in the future, and we will keep this page up to date.
Frequently asked questions
How do I allowlist Bitly's IP addresses?
Contact your company's IT department and provide them with the IP addresses listed in this article. They will be able to add these to your network's allowlist.
Will these IP addresses change?
It's possible that Bitly's IP addresses may change in the future. Check back to this article for the most up-to-date information.
What if I'm setting up a custom domain?
If you're looking for the IP addresses to use when setting up your custom domain, see our article on How to Configure DNS Settings for Your Custom Domain.