hostname		    inet			inet6
-----------------	-----------------	----------------------
freefall		69.147.83.40		2001:4f8:fff6::28
pointyhat		69.147.83.43		2001:4f8:fff6::2b
hub			69.147.83.54		2001:4f8:fff6::36

Simon:

"The convention used at Y! FreeBSD.org is simply to take the IPv6 prefix /
network address and stick the final digit already used from IPv6 onto the
end (conveted to hex)."

so

    hostname		    inet			inet6
-----------------	-----------------	----------------------
gohan11.freebsd.org	69.147.83.29		2001:4f8:fff6::2d
gohan12.freebsd.org	69.147.83.30		2001:4f8:fff6::2e
gohan13.freebsd.org	69.147.83.31		2001:4f8:fff6::2f
gohan40.freebsd.org	69.147.83.116		2001:4f8:fff6::74
gohan41.freebsd.org	69.147.83.117		2001:4f8:fff6::75
gohan42.freebsd.org	69.147.83.118		2001:4f8:fff6::76
gohan43.freebsd.org	69.147.83.119		2001:4f8:fff6::77
gohan44.freebsd.org	69.147.83.120		2001:4f8:fff6::78
gohan45.freebsd.org	69.147.83.121		2001:4f8:fff6::79
gohan46.freebsd.org	69.147.83.122		2001:4f8:fff6::7a
gohan47.freebsd.org	69.147.83.123		2001:4f8:fff6::7b
gohan48.freebsd.org	69.147.83.16		2001:4f8:fff6::10
gohan49.freebsd.org	69.147.83.17		2001:4f8:fff6::11
gohan50.freebsd.org	69.147.83.18		2001:4f8:fff6::12
gohan51.freebsd.org	69.147.83.19		2001:4f8:fff6::13
gohan52.freebsd.org	69.147.83.20		2001:4f8:fff6::14
gohan53.freebsd.org	69.147.83.21		2001:4f8:fff6::15
gohan54.freebsd.org	69.147.83.22		2001:4f8:fff6::16
gohan55.freebsd.org	69.147.83.23		2001:4f8:fff6::17
gohan56.freebsd.org	69.147.83.24		2001:4f8:fff6::18
gohan57.freebsd.org	69.147.83.25		2001:4f8:fff6::19
gohan58.freebsd.org	69.147.83.26		2001:4f8:fff6::1a
gohan59.freebsd.org	69.147.83.27		2001:4f8:fff6::1b
gohan60.freebsd.org	69.147.83.125		2001:4f8:fff6::7d
gohan61.freebsd.org	69.147.83.126		2001:4f8:fff6::7e
gohan62.freebsd.org	69.147.83.84		2001:4f8:fff6::54
pluto1.freebsd.org	69.147.83.82		2001:4f8:fff6::52	XXX already 2001:4f8:fff6:0:230:6eff:fe39:3670 ?
pluto2.freebsd.org	69.147.83.83		2001:4f8:fff6::53