#1

PSINet, Inc.

#2

PSINet, Inc.

#3

PSINet, Inc.

#4

PSINet, Inc.

#5

PSINet, Inc.

#6

Cogent Communications

#7

Xchange Telecom Corp.

#8

Xchange Telecom Corp.

#9

Xchange Telecom Corp.

#10

Cogent Communications

#11

IPv4 address block not managed by the RIPE NCC

#12

IPv4 address block not managed by the RIPE NCC

#13

IPv4 address block not managed by the RIPE NCC

#14

THEJNET

#15

THEJNET

#16

THEJNET

#17

Various Registries (Maintained by ARIN)

#18

Various Registries (Maintained by ARIN)

#19

Various Registries (Maintained by ARIN)

#20

Xchange Telecom Corp.

#21

Xchange Telecom Corp.

#22

Xchange Telecom Corp.

#23

Xchange Telecom Corp.

#24

THEJNET

#25

THEJNET