The following OneSpan IP addresses must be allowed for Blend Sign to work. Please check with your network administrator to ensure the following IPs are not blocked. A full list of the IPs can be found here.
- OneSpan IP Addresses and domains
- DocuSign IP addresses and subdomains for eSignature fallback
- Resources
OneSpan IP Addresses and domains
If you are allowing OneSpan’s public IPs, please add the respective Fully Qualified Domain Name (FQDN) to your inbound allowlist (formally known as "whitelist") to continue accessing our services:
| Environment | Qualified Domain Name |
| US1 Sandbox | sandbox.e-signlive.com |
| US1 Production | apps.e-signlive.com |
If your Security policy does not allow FQDN, see Cloudflare's IP ranges below.
- 103.21.244.0/22
- 103.22.200.0/22
- 103.31.4.0/22
- 104.16.0.0/13
- 104.24.0.0/14
- 108.162.192.0/18
- 131.0.72.0/22
- 141.101.64.0/18
- 162.158.0.0/15
- 172.64.0.0/13
- 173.245.48.0/20
- 188.114.96.0/20
- 190.93.240.0/20
- 197.234.240.0/22
- 198.41.128.0/17
DocuSign IP addresses and subdomains for eSignature fallback
The following DocuSign IPs will also need to be allowed:
- 209.112.104.1 through 209.112.107.254
- 64.207.216.1 through 64.207.219.254
- 162.248.184.1 through 162.248.187.254
We also recommend allowing all subdomains under the following domains:
- docusign.com
- docusign.net