| IPv6 isn't an Internet Standard yet |
IPv6 is a security risk |
Github doesn't support IPv6 |
Our Lawful Intercept doesn't support IPv6 yet |
| It's not mature enough |
Those stupid Privacy Extension addresses keep changing |
We forgot to include IPv6 in our last RFP |
IPv6 addresses are too long to remember |
| Can't we just buy more IPv4 addresses? |
Vendor bugs |
IPv6 isn't supported by OVH Cloud |
Our DDOS mitigation platform can't monitor IPv6 |
| It's too hard to support |
Our vendor doesn't support it |
We'll deploy IPv6 right after we deploy DNSSEC |
Our recursive DNS can't handle the extra load |
Made with excuses from 
IPv6 Excuse Bingo