Backblaze IP Address List

The Backblaze client sends data to the Backblaze datacenter.  The Backblaze datacenter servers are located at IP addresses in the following ranges (these are in "CIDR notation"):



All Backblaze servers use the * or * domains, so it may be easiest to whitelist the appropriate domain.


Last updated: January 2019


NOTE: Backblaze is always adding more computers and so the following information WILL CHANGE in the future! 

*Backblaze uses cloudflare for and, so you will see out of block addresses in use here.

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