DN42
Shares rank 10 of 12 mesh VPNs by recommenders
People recommend DN42 as a free, safe lab for learning BGP routing and networking at ISP level, with a friendly community. It takes real effort to get value from it.
People recommend DN42 as a free, safe lab for learning BGP routing and networking at ISP level, with a friendly community. It takes real effort to get value from it.
6 people gave an opinion
- recommend it
- 5
- criticize it
- 1
- approval share
- 83%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 5 people recommend itNeeds 10 or more, not met.
- 5 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 2 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Safe, free place to learn networking
“If your goal is to learn this stuff join dn42, the global networking lab, instead of wasting money with real allocations.”
Comment from 8 Feb 2026 in “Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing” “It's a great way to explore routing technologies and safely experiment with your own AS”
Comment from 8 Feb 2026 in “Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing” “dn42 is really cool for learning networking at the ISP level”
Comment from 12 Jun 2026 in “AI Agent Bankrupted Their Operator While Trying to Scan DN42” Good playground for routing experiments
“DN42 is a great playground for this thing - as long as you're prepared to put the effort in”
Comment from 12 Jun 2026 in “AI Agent Bankrupted Their Operator While Trying to Scan DN42” “It's a great way to explore routing technologies and safely experiment with your own AS”
Comment from 8 Feb 2026 in “Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing” Friendly, great community
“it's the people that really make the network.”
Comment from 12 Jun 2026 in “AI Agent Bankrupted Their Operator While Trying to Scan DN42” “the community seems great”
Comment from 12 Jun 2026 in “AI Agent Bankrupted Their Operator While Trying to Scan DN42”
What people warn about
Each mark is one comment
Requires significant effort to get value
“DN42 is a great playground for this thing - as long as you're prepared to put the effort in”
Comment from 12 Jun 2026 in “AI Agent Bankrupted Their Operator While Trying to Scan DN42”
Other mesh VPNs people recommend
The four most recommended other mesh VPNs, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
See all 12 mesh VPNs, rankedWhat people said
7 of the 8 comments that mention it, newest first. Each links to the original comment.
“If you are interested in Computer Networking you definitely don't want to miss out DN42.”
“dn42 is really cool for learning networking at the ISP level”
“DN42 is a great playground for this thing - as long as you're prepared to put the effort in”
“it's the people that really make the network.”
“the community seems great”
“If your goal is to learn this stuff join dn42, the global networking lab, instead of wasting money with real allocations.”
“It's a great way to explore routing technologies and safely experiment with your own AS”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.