Created
November 16, 2018 12:36
-
-
Save n-st/9a2dd4b787ae338a8bc1532322394023 to your computer and use it in GitHub Desktop.
List unassigned IANA PENs ("gaps" in the assignment list)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/sh | |
| wget https://www.iana.org/assignments/enterprise-numbers/enterprise-numbers | |
| awk -F '[ ]' 'BEGIN {nr=-1} NF==1 && $1 == 0+$1 {if ($1 != (nr+1)) {for (i=nr+1; i<$1; i++) {print i}}; nr=$1}' enterprise-numbers |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment