#1

Transaction Network Services, Inc.

#2

AT&T Services, Inc.

#3

Cequint, Inc

#4

Cequint, Inc

#5

PSINet, Inc.

#6

PSINet, Inc.

#7

Transaction Network Services, Inc.

#8

Transaction Network Services, Inc.

#9

Transaction Network Services, Inc.

#10

Transaction Network Services, Inc.

#11

Transaction Network Services, Inc.

#12

Transaction Network Services, Inc.

#13

Transaction Network Services, Inc.

#14

Transaction Network Services, Inc.

#15

Transaction Network Services, Inc.

#16

Transaction Network Services, Inc.

#17

Verizon Business

#18

American Registry for Internet Numbers