Artist links:
… on their respective release pages (see menu on the right-hand side)

Label links:
archive.org/details/@internetrecordings
sonicsquirrel.net/detail/label/Internet-Recordings
soundcloud.com/internet-recordings
last.fm/label/Internet+Recordings
youtube.com/user/internetrecordings
facebook.com/pages/Internet-Recordings/132560980141291
facebook.com/groups/180011255459396/
twitter.com/internetrec
plus.google.com/u/0/100987294319274278113/
numberonemusic.com/internet
orfium.com/profile/internet
myspace.com/internetrecordings
discogs.com/label/Internet+Recordings
rolldabeats.com/label/internet_recordings
residentadvisor.net/profile/internetrecordings

More free Drum & Bass tunes:
internetrecordings.org/mp3/free/dnb

Incomplete lists of other Drum & Bass related netlabels:
sonicsquirrel.net/browse/label/tag/drum%20and%20bass
soundshiva.net/genres/drum-and-bass
tilt-recordings.com/l-music.htm

Incomplete lists of more netlabels (not neccessarily Drum & Bass related):
netlabellife.blogspot.de/p/netlabels_30.html
actsofsilence.com/netlabels
clongclongmoo.org/labels