**This page lists the external Overlay Networks DN42 is connected to**

| Network                                                | IPv4 address space | IPv6 address space | TLDs | Remarks |
|:-------------------------------------------------------|:-------------------|:-------------------|:-----|:--------|
| [NeoNetwork](https://github.com/NeoCloud/NeoNetwork)   | `10.127.0.0/16` | `fd10:127::/32` | `.neo` | |
| [ICVPN](https://github.com/freifunk/icvpn)             | `10.0.0.0/8` | `fd00::/8` | see [ICVPN-Meta](https://github.com/freifunk/icvpn-meta/) |InterCity VPN - many [freifunk](https://freifunk.net) communities interconnect here |
| [ChaosVPN](https://wiki.hamburg.ccc.de/ChaosVPN)       | `10.4.0.0/16`<br>`10.32.0.0/16`<br>`10.100.0.0/14`<br>`10.104.0.0/14`<br>`172.31.0.0/16` | - | `.hack` | Few active hosts |
| [CRXN](https://crxn.de/docs/)                          |  - | `fd00::/8` | `.crxn` | |
