#1

Verizon Business

#2

Verizon Business

#3

Verizon Business

#4

Verizon Business

#5

Verizon Business

#6

Verizon Business

#7

Verizon Business

#8

VC32

#9

VC32

#10

VC32

#11

VC32

#12

VC32

#13

VC32

#14

VC32

#15

MCI Telecommunications Corporation

#16

Verizon Business

#17

Verizon Business

#18

Verizon Business

#19

Verizon Business

#20

Verizon Business

#21

Verizon Business

#22

WilTel

#23

MCI Telecommunications

#24

MCI Telecommunications

#25

MCI Telecommunications

#26

MCI Telecommunications

#27

MCI Telecommunications

#28

MCI Telecommunications

#29

Verizon Business

#30

Verizon Business

#31

Verizon Business

#32

Verizon Business

#33

Verizon Business

#34

Verizon Business

#35

Rezonet Internet Services

#36

Rezonet Internet Services

#37

MCI

#38

MCI

#39

MCI

#40

MCI

#41

MCI

#42

MCI

#43

MCI

#44

MCI

#45

MCI

#46

MCI

#47

MCI

#48

MCI

#49

MCI

#50

Verizon Business

#51

American Registry for Internet Numbers