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  3. AS17225

AS17225

AT&T Enhanced Network Services

ATT-CERFNET-BLOCK
Organization
Title
AT&T Enhanced Network Services
Details
Regional Internet registry
ARIN
IP Addresses count
40,704
Coordinates
Summary
The organization AT&T Enhanced Network Services allocates 11 IP netblocks under the autonomous system number (ASN ) of 17225. The regional internet registry (RIR ) for this ASN is ARIN. The country in which these IPs are located is United States of America (US), which is on #1 out of 249 countries by the total amount of ASNs allocated - 27,927.

AS17225 has 12 peers, 1 upstreams and 11 downstreams with a total of 40,704 IP addresses.
IP Address ranges
Block Description IPs count
12.130.0.0/18 CERFnet (CERF) 16,384
134.24.173.0/24 CERFNET 256
134.24.236.0/22 CERFNET 1,024
135.12.0.0/21 CELESTICA-135-1-15-C1 2,048
149.17.208.0/20 ATTGNS 4,096
199.107.224.0/21 NETBLK-CERFNET-CBLK2 2,048
206.16.88.0/23 CERFNET-BLK-206 512
206.16.144.0/20 CERFNET-BLK-206 4,096
206.17.96.0/20 Ozemail 4,096
206.19.40.0/21 CERFNET-BLK-206 2,048
206.19.48.0/20 CERFNET-BLK-206 4,096
Peers
ASN Name IPs Count
AS7018 AT&T Services, Inc. 83,746,304
AS14203 Juniper Networks, Inc. 5,120
AS22840 ATC IP LLC 768
AS26334 Bain & Company 512
AS27178 Practice Management Technologies and Services 1,280
AS36271 Synacor, Inc. 6,144
AS40828 The RMR Group LLC 2,560
AS46693 COMPUTERSHARE INC 256
AS62776 Health Dialog Services Corporation 1,536
AS63335 RBS Citizens, NA 8,192
AS63358 Ascensus College Savings, Inc 768
AS394268 Sonesta International Hotels Corporation 512
Upstreams
ASN Name IPs Count
AS7018 AT&T Services, Inc. 83,746,304
Downstreams
ASN Name IPs Count
AS14203 Juniper Networks, Inc. 5,120
AS22840 ATC IP LLC 768
AS26334 Bain & Company 512
AS27178 Practice Management Technologies and Services 1,280
AS36271 Synacor, Inc. 6,144
AS40828 The RMR Group LLC 2,560
AS46693 COMPUTERSHARE INC 256
AS62776 Health Dialog Services Corporation 1,536
AS63335 RBS Citizens, NA 8,192
AS63358 Ascensus College Savings, Inc 768
AS394268 Sonesta International Hotels Corporation 512
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