ISP & Network Engineering • AS21928 • Verified 2026

How to Bypass T-Mobile 5G Home Internet CGNAT & P2P Bandwidth Throttling

Experiencing slowdowns or connection drops on T-Mobile 5G Home Internet (AS21928 • 5G SA/NSA IPv6 + 464XLAT CGNAT) during 17:30–23:00 US? Carrier-Grade NAT (100.64.x.x) and ISP protocol classifiers throttle peer-to-peer transfers, Linux ISO swarms, and decentralized sync protocols. SWEEPR VPN provides unthrottled 10Gbps RAM-only WireGuard tunnels in Switzerland, Netherlands, and Sweden with an NDIS/nftables kernel kill-switch and zero connection logs.

Run the Free 30-Second Home Wi-Fi & ISP Speed Diagnostic

Featherlight ~3.7 MB native Rust + Tauri v2 app • No credit card required for Wi-Fi device scanner • £1.99 1st-Month Pro Trial

Download Free Scanner View Plans (Save 50% Yearly)

Unprotected T-Mobile 5G Home Internet

1.8 MB/s (CGNAT / DPI Capped)

With SWEEPR 10Gbps WireGuard

94.2 MB/s (10Gbps WireGuard)

Recommended WireGuard MTU

1380 Bytes (RAM-Only Zero Logs)

Why T-Mobile 5G Home Internet (AS21928) Suffers From CGNAT & P2P Bandwidth Throttling

On T-Mobile 5G Home Internet (5G SA/NSA IPv6 + 464XLAT CGNAT), residential and mobile gateways frequently encounter Low-priority QCI 9 cellular scheduling, 464XLAT overhead, and CGNAT between 17:30–23:00 US. Standard unencrypted TCP/UDP flows expose plaintext Server Name Indication (SNI) headers, destination ASNs, and packet timing signatures that automated network queues classify and deprioritize.

Furthermore, using a default 1500-byte or uncalibrated VPN tunnel on T-Mobile 5G Home Internet triggers IP packet fragmentation unless your WireGuard interface is pinned to MTU = 1380.

How SWEEPR VPN Solves This on T-Mobile 5G Home Internet

Direct 10Gbps LINX & AMS-IX Peering: Instead of traversing congested retail transit links on AS21928, SWEEPR VPN routes your encrypted UDP stream directly to our 10Gbps RAM-only bare-metal nodes in UK-LON-01 (4ms), NL-AMS-01 (8ms), DE-FRA-01 (11ms), and SE-STO-01 (14ms).
Auto-Calibrated 1380 Byte MTU: SWEEPR VPN automatically detects 5G SA/NSA IPv6 + 464XLAT CGNAT path overhead and clamps your WireGuard tunnel to MTU = 1380 with PersistentKeepalive = 25.
In-Tunnel Zero-Log DNS (10.66.0.1): Bypasses T-Mobile 5G Home Internet transparent DNS proxies and NXDOMAIN interception completely.
Free 30-Second Home Wi-Fi Device Scanner: Instantly audits every phone, laptop, IoT plug, and Smart TV connected to your T-Mobile 5G Home Internet router subnet.

Recommended WireGuard Profile for T-Mobile 5G Home Internet (AS21928)

[Interface]
# SWEEPR VPN 10Gbps RAM-Only Profile optimized for T-Mobile 5G Home Internet (5G SA/NSA IPv6 + 464XLAT CGNAT)
PrivateKey = <GENERATED_ON_DEVICE_NEVER_LEAVES_RAM>
Address = 10.66.18.42/32
DNS = 10.66.0.1
MTU = 1380

[Peer]
# UK-LON-01 (London Docklands 10Gbps • 4ms Direct Peering)
PublicKey = 9xK2vP8mQ4nL7wR1tY5uI8oP3aS6dF9gH2jK5lZ8xC0=
Endpoint = lon01.sweeprvpn.com:51820
AllowedIPs = 0.0.0.0/0, ::/0
PersistentKeepalive = 25

Transparent Anchor Pricing & 14-Day Money-Back Guarantee

Unlike legacy VPNs that trap you in 24-month renewals or 250 MB bloated installers, SWEEPR VPN offers straightforward pricing with an instant free 30-second Home Wi-Fi Device Scanner:

Plan Tier	Billing Cycle	Effective Monthly Cost	Included Features
Yearly Plan (Core Cash Cow — Save 50%)	£74.99 / year ($95.99 USD \| €89.99 EUR)	£6.25 / mo	10Gbps RAM-Only WireGuard (UK, NL, DE, SE, CH, US), 10 Devices, Kernel Kill-Switch, 14-Day Guarantee
6-Monthly Plan (Mid-Tier Anchor — Save 35%)	£48.99 / 6 months ($61.99 USD \| €58.99 EUR)	£8.17 / mo	All 10Gbps WireGuard Core Locations, In-Tunnel DNS, Port-Forwarding & Streaming Support
Monthly Plan (Flexible + £1.99 1st Month)	£1.99 1st Month, then £12.49 / mo	£12.49 / mo	Cancel anytime in 1 click, full 10Gbps WireGuard & Wi-Fi diagnostic access
SWEEPR Wi-Fi Radar & Smart-TV Shield Add-On	+£14.99/yr \| +£9.99/6mo \| +£1.99/mo	Optional Add-On	24/7 Unknown Wi-Fi Intruder Alerts + Samsung/LG/Sony/Roku/Fire TV ACR Spy Blocker

Frequently Asked Questions

What is the best WireGuard MTU setting for T-Mobile 5G Home Internet?

For T-Mobile 5G Home Internet (5G SA/NSA IPv6 + 464XLAT CGNAT), setting your WireGuard interface to MTU 1380 prevents IP packet fragmentation and PMTUD blackholes while maximizing 10Gbps throughput.

Does SWEEPR VPN work with T-Mobile 5G Home Internet routers and Wi-Fi mesh systems?

Yes. You can run the ~3.7 MB SWEEPR VPN native app on Windows 10/11, macOS, Linux, iOS, and Android, or export a standard WireGuard .conf file for OpenWrt, GL.iNet, Asuswrt-Merlin, MikroTik, and UniFi gateways connected to T-Mobile 5G Home Internet.

Is the 30-second Home Wi-Fi Scanner really free on T-Mobile 5G Home Internet?

Yes. Downloading SWEEPR VPN includes our instant 30-second LAN ARP/mDNS device scanner at zero cost (no credit card required), showing every device and Smart TV on your T-Mobile 5G Home Internet Wi-Fi.