Source note · Webex for Government calling restrictions
The Webex for Government network requirements list IP subnets for Webex Calling services including 23.89.18.0/23, 163.129.16.0/21 and 144.196.224.0/21.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- network
- Deployment
- multi-tenant
- Region
- us-government
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Network requirements for Webex for Government (FedRAMP) — Cisco Systems (Webex Help Center) · tier 2 current vendor documentation · IP subnets for Webex Calling services
Cite this note
APA
WarmTransfer. (2026, September 24). Webex for Government calling restrictions: source note webex-calling-webex-for-government-calling-subnets. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-webex-for-government-calling-subnets
BibTeX
@misc{warmtransfer-claim-webex-calling-webex-for-government-calling-subnets,
title = {Webex for Government calling restrictions: source note webex-calling-webex-for-government-calling-subnets},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-webex-for-government-calling-subnets},
note = {Source note webex-calling-webex-for-government-calling-subnets, checked 2026-09-24}
}