Questions & Answers

ICMP Blocked by ISP

Started by yozh

Replies: 1
Views: 35,620

January 06, 2022, 11:24:13 AM
by broquea

Tunnelbroker.net API Documentation

Started by kcochran

Replies: 6
Views: 99,741

April 12, 2017, 12:21:35 PM
by snarked

Q&A Guidelines

Started by samh

Replies: 0
Views: 82,430

February 07, 2008, 05:03:19 PM
by samh

unblock port 25

Started by himanshu77

Replies: 0
Views: 413

September 16, 2026, 09:06:50 PM
by himanshu77

YouTube previews in Signal don't render, unable to play YT videos from reddit

Started by mlindgren

Replies: 1
Views: 834

August 28, 2026, 07:14:23 PM
by pdesveaux

Dealing CGNAT to using Tunnelbroker with Wireguard

Started by rifqisugoi

Replies: 3
Views: 16,862

August 18, 2026, 03:22:38 PM
by brianjmurrell

Unoptimal route between a VPS and tunnel server in Amsterdam in one direction

Started by m1doroshin

Replies: 0
Views: 350

August 17, 2026, 03:32:32 PM
by m1doroshin

Need help with SMTP unblock

Started by mitkait

Replies: 0
Views: 845

July 14, 2026, 06:49:35 PM
by mitkait

The IP address under AS4134 displays "This network is restricted"

Started by HerobrineWhite

Replies: 1
Views: 1,020

July 02, 2026, 02:11:23 AM
by agehall

/48 ?

Started by pronetla

Replies: 0
Views: 628

June 09, 2026, 11:07:51 AM
by pronetla

Japan tunnel server with high latency in recent days

Started by 98118

Replies: 1
Views: 728

May 31, 2026, 12:55:47 PM
by snarked

Maximum /48 alocation

Started by leandroneves

Replies: 0
Views: 3,880

May 04, 2026, 09:43:47 AM
by leandroneves

SMTP in Tunnnel

Started by Agouros

Replies: 1
Views: 6,250

May 02, 2026, 07:53:39 PM
by evantkh

Tunnel auto deletion / expiry rules

Started by paver

Replies: 2
Views: 7,705

April 16, 2026, 09:47:27 AM
by kcochran

IPv6 tunnel and GeoIP

Started by jelockwood

Replies: 12
Views: 52,451

April 15, 2026, 06:59:24 AM
by supergvozd

rwhois.he.net:4321 is down; could this be the cause for wrong geoip?

Started by idealneck

Replies: 3
Views: 22,938

January 29, 2026, 10:25:32 AM
by idealneck

Move tunnel to another computer

Started by Parodper

Replies: 3
Views: 12,852

January 16, 2026, 07:32:25 AM
by evantkh

Azure filtering IPv6 requests?

Started by humeipv6

Replies: 2
Views: 14,484

January 05, 2026, 10:08:13 AM
by jon47

Ongoing Support for IPv6 Tunnel with Outgoing SMTP

Started by evantkh

Replies: 0
Views: 9,554

December 29, 2025, 05:41:31 AM
by evantkh

Are 6in4/SIT tunnels always 1 to 1?

Started by helpdeskaleer

Replies: 1
Views: 12,995

December 05, 2025, 02:08:14 PM
by kcochran