#1

ATTSI, INFORMATION TECHNOLOGY OP

#2

IPv4 address block not managed by the RIPE NCC

#3

AT&T Corp.

#4

AT&T Corp.

#5

AT&T Corp.

#6

AT&T Corp.

#7

AT&T Corp.

#8

AT&T Corp.

#9

AT&T Mobility LLC

#10

AT&T Services, Inc.

#11

AT&T Services, Inc.

#12

AT&T Services, Inc.

#13

AT&T Services, Inc.

#14

AT&T Services, Inc.

#15

AT&T Services, Inc.

#16

AT&T Services, Inc.

#17

AT&T Services, Inc.

#18

AT&T Services, Inc.

#19

AT&T Services, Inc.

#20

AT&T Services, Inc.

#21

AT&T Services, Inc.

#22

AT&T Services, Inc.

#23

AT&T Services, Inc.

#24

AT&T Services, Inc.

#25

AT&T Services, Inc.

#26

Wireless Data Service Provider Corporation

#27

Wireless Data Service Provider Corporation

#28

Wireless Data Service Provider Corporation

#29

AT&T Services, Inc.

#30

AT&T Corp.

#31

ATTSI, INFORMATION TECHNOLOGY OP

#32

AT&T Corp.

#33

AT&T Services, Inc.