995a63da1502441f8d70cd150abab92971ec2286
howto/Getting-started.md
| ... | ... | @@ -80,7 +80,7 @@ To register an IPv4 network prefix, simply create an `inetnum` object. |
| 80 | 80 | |
| 81 | 81 | You may choose your network prefix in one of the currently open netblocks. There is also a [graphical visualisation of the assigned ranges](http://109.24.208.244:8888/dn42-netblock-visu/registry.html). |
| 82 | 82 | |
| 83 | -The current guideline is to allocate a /25 by default, keeping space for a /23. You may allocate more than a /25 if you need to, but no more than a /23. |
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| 83 | +The current guideline is to allocate a /25 by default, keeping space for a /23. You may allocate more than a /25 if you need to, but no more than a /23. Please **think before you allocate**: If you are going to have 2-3 servers and two VPN-spaces, a /26 is enough to suit your needs. Same will go for most home-networks. This is not public internet, but IPv4-space is valuable too! |
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| 84 | 84 | |
| 85 | 85 | **Note:** Reverse DNS works with _any_ prefix length, as long as your [recursive nameserver](/services/DNS) supports [RFC 2317](https://www.ietf.org/rfc/rfc2317.txt). Don't go for a /24 _just to have RDNS_. |
| 86 | 86 |