10.42.0.0/16 # private space
173.164.216.232/29 # comcast
173.255.255.197/32 # linode 'chirp'
104.237.149.26/32 # linode 'caw'
74.207.241.145/32 # linode 'squawk'
2600:3c01::f03c:91ff:fe93:8301/128 # linode 'chirp'
2600:3c03::f03c:91ff:fe30:5b0c/128 # linode 'caw'
2600:3c01::f03c:91ff:fe48:3cd3/128 # linode 'squawk'
2001:470:8737::/48 # routed he6 subnet
2001:470:1f05:cb8::/64 # routed he6 subnet