[Hostname routing] Point to Custom IPs dashboard UI; document automatic Split Tunnel inclusion for initial resolved IPs - #32754
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…lusion Two related fixes for initial resolved IPs now that the Networking > IP addresses > Address space > Custom IPs UI (stratus MR !41739) is live in production: - Swap the Zero Trust > Team & Resources > Devices > Device profiles UI instructions back to Networking > IP addresses > Address space > Custom IPs, with a Go button, in configure-initial-resolved-ips.mdx and the GA changelog. Re-add the dash-route entry for this deeplink to core-manually-defined.json. - Per WDAPI-4489, the Cloudflare One Client now automatically includes the default initial resolved IP range (172.64.128.0/20) in Split Tunnels Include mode, and automatically excludes it (along with the entire 2606:4700:0cf1::/48 IPv6 range, which also covers device IPs and Cloudflare source IPs on IPv6) from Exclude mode exclusions, at runtime on the device. This is not stored in the device profile and is not returned via the public API. Added a new 'Automatically managed ranges' section to split-tunnels.mdx as the canonical explanation, and updated reserved-ips.mdx, configure-initial-resolved-ips.mdx, and the Cloudflare Mesh routes.mdx / client-devices.mdx docs to stop instructing manual Split Tunnel configuration for these ranges. Custom (non-default) initial resolved IP ranges still require manual Split Tunnel configuration, since it is not confirmed whether the automatic behavior tracks a custom range.
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Review💡 1 suggestion found in commit 👉 Fix in your agent 👈Fix the following review findings in PR #32754 (https://github.com/cloudflare/cloudflare-docs/pull/32754).
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---
## Style Guide Review
### Suggestions (1)
#### SG-5c68d6306ef3 · Semicolons
- **File:** `src/content/docs/cloudflare-one/networks/connectors/cloudflare-mesh/routes.mdx` line 231
- **Issue:** Line uses a semicolon to join two independent clauses: `In Include mode, add each range; in Exclude mode, ensure none of them (or their parent ranges) are excluded.`
- **Fix:** Break into two sentences, replacing the semicolon with a period.
Code ReviewThis code review is in beta and may not always be helpful — use your judgment. No code review issues found. ConventionsNo convention issues found. Style Guide ReviewSuggestions (1)
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Summary
Two related fixes for initial resolved IP documentation, now that the Networking > IP addresses > Address space > Custom IPs UI is live in production.
1. Point to the live Custom IPs dashboard UI
Previously documented as Zero Trust > Team & Resources > Devices > Device profiles (the only UI available at the time). Now that Custom IPs is live, changed to Networking > IP addresses > Address space > Custom IPs, with a Go button:
configure-initial-resolved-ips.mdx— Prerequisites, "Check your current range", "Update your range"core-manually-defined.jsonfor the deeplink2. Document automatic Split Tunnel inclusion (WDAPI-4489)
Per WDAPI-4489, the Cloudflare One Client automatically:
172.64.128.0/20) and the entire2606:4700:0cf1::/48IPv6 rangeThis happens at runtime on the device — it's not stored in the device profile and not returned via the public API (same pattern as Microsoft 365 IP exclusions). The
2606:4700:0cf1::/48IPv6 range also covers device IPs and Cloudflare source IPs on IPv6, so all Cloudflare One IPv6 Split Tunnel configuration for these features is now unnecessary.Changes:
split-tunnels.mdx— the canonical explanation, cross-referenced everywhere else belowreserved-ips.mdx— updated both the Exclude mode and Include mode sectionsconfigure-initial-resolved-ips.mdx— replaced the blanket "update your Split Tunnel configuration" instruction with "not required for the default range; only for custom ranges"routes.mdx(Hostname routes prerequisites) andclient-devices.mdx(Split Tunnel Include mode list) — removed the token IP / IPv6 rows from the manual-configuration instructions