Similar to Urchin

.tn

.to

.tokyo

.tr

Transifex

Tripod (web hosting)

.tt

Tumblr

.tv

.tw

Typepad

.ua

.ug

.uk

Uniform Resource Identifier

.uy

.uz

.vc

.ve

.vg

Virtual private network

Visual.ly

.vn

.vu