Tube

Get a series of these and you've got an internet.

Tube (チューブ Chūbu) is a planet. Native lifeforms include a family of Tubian diggers that live in an underground tunnel system.

Fiction

Beast Wars Neo cartoon

Saberback and Sling went to Tube in search of an Angolmois Capsule. They met Randy, who was stationed on Tube to protect and monitor its wildlife and who immediately accused them of being poachers. DNAVI got the two back to the Dinosaur before they got beaten up too bad so that the Predacons could rethink their strategy. In the meantime, the Gung Ho arrived and Stampy and Colada went planetside for the capsule. They too met Randy and were treated no better than the Predacons earlier. As they returned to the Gung Ho, Saberback and Sling went back to Tube and abducted a baby digger to force Randy to help them find the Angolmois Capsule. Urged by the baby's parents' desperation, Randy complied and followed the two diggers into their tunnels to reach the capsule underground. When he got it back to the surface, he ran into both the Maximals and the Predacons. The Maximals learned about the hostage situation and helped Randy save the little one. Without the leverage, the Predacons chose to flee. Randy returned the baby to its parents and apologetically handed the Angolmois Capsule to Big Convoy's unit, after which they wished him well and left Tube to look for the next capsule. Attack! Randy

The AllSpark Almanac

Tube was an unclaimed organic planet in the Milky Way. The AllSpark Almanac II