AT&T Corp

IPv4 IPv6
Networks by country: United States United States (221926), Canada Canada (118), Japan Japan (79), Singapore Singapore (68), United Kingdom United Kingdom (47), Italy Italy (31), Netherlands Netherlands (28), Australia Australia (26), Hong Kong Hong Kong (17), India India (15), Germany Germany (13), Luxembourg Luxembourg (12), New Zealand New Zealand (11), Slovakia Slovakia (11), Czech Republic Czech Republic (7), China China (7), Argentina Argentina (7), France France (4), Belgium Belgium (3), Spain Spain (3), Finland Finland (2), European Union European Union (2), Israel Israel (2), U.S. Virgin Islands U.S. Virgin Islands (1), Denmark Denmark (1), Slovenia Slovenia (1)

Assigned AS: AS4742, AS2713, AS2915, AS263724, AS18289, AS6934, AS7948, AS32727, AS396943
Updated: 01 March 2021

We found 222,284 IPv4 networks operated by this organization.
Showing 47 networks in United Kingdom.
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Results sorted by network size.

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United Kingdom AT&T Corp
GIDC-WOKING-01

AT&T IDC Woking

CIDR: 32.42.16.0/20
IP Range: 32.42.16.0 - 32.42.31.255
Block size: 4,096

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United Kingdom AT&T Corp
GIDC-LONDON-11

AT&T IDC London

CIDR: 32.58.232.0/21
IP Range: 32.58.232.0 - 32.58.239.255
Block size: 2,048

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United Kingdom AT&T Corp
GIDC-LONDON-03

AT&T IDC London

CIDR: 32.58.132.0/22
IP Range: 32.58.132.0 - 32.58.135.255
Block size: 1,024

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United Kingdom AT&T Corp
ATTWH-32-42-20-0-23-1304165520

AT&T Infrastructure CaaS R2
London SID

CIDR: 32.42.20.0/23
IP Range: 32.42.20.0 - 32.42.21.255
Block size: 512

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United Kingdom AT&T Corp
ATTWH-32-42-26-0-23-1304165555

AT&T Infrastructure CaaS R2
London SID

CIDR: 32.42.26.0/23
IP Range: 32.42.26.0 - 32.42.27.255
Block size: 512

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United Kingdom AT&T Corp
ATTSOL-SERVBB

AT&T Solutions EMEA
Dedicated service Backbone

CIDR: 195.33.33.0/24
IP Range: 195.33.33.0 - 195.33.33.255
Block size: 256

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United Kingdom AT&T Corp
INFOTRAC

AT&T Istel Limited
CDC, AT&T Istel Limited, PO Box 5
Ravensbank Dr., North Moons Moat, Redditch, Worcs. B98 9HB England. U.K

CIDR: 192.133.58.0/24
IP Range: 192.133.58.0 - 192.133.58.255
Block size: 256

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United Kingdom AT&T
GB-ATTINTERNAL-NET

Internal

CIDR: 195.212.149.0/24
IP Range: 195.212.149.0 - 195.212.149.255
Block size: 256

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United Kingdom AT&T Corp
ATT-DNS-ANYCAST-GLOBAL-NET1

AT&T DNS anycast Global
For routing issues: noc@intl.att.com
For addressing issues: euabsipa@intl.att.com

CIDR: 194.161.154.0/24
IP Range: 194.161.154.0 - 194.161.154.255
Block size: 256

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United Kingdom AT&T Corp
NET-GB-A-T-IA

AT & T

CIDR: 213.86.136.128/26
IP Range: 213.86.136.128 - 213.86.136.191
Block size: 64

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United Kingdom AT&T Corp
NET-GB-ATT-GLOBAL-IA

AT&T GLOBAL NETWORK SERVICES UK BV

CIDR: 213.86.136.192/26
IP Range: 213.86.136.192 - 213.86.136.255
Block size: 64

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United Kingdom AT&T Corp
ATTWH-32-42-25-0-27-1304162726

AT&T Infrastructure ICN-R2 SID

CIDR: 32.42.25.0/27
IP Range: 32.42.25.0 - 32.42.25.31
Block size: 32

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United Kingdom AT&T Corp
ATTEMEA-UKBHX-INT-NET

AT&T Public Facilities Internal (Redditch IDC)

CIDR: 195.33.58.0/28
IP Range: 195.33.58.0 - 195.33.58.15
Block size: 16

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United Kingdom AT&T Corp - Intra-Legacy T Legal Entity
GB-ATTCORP-NET

CIDR: 194.196.91.80/28
IP Range: 194.196.91.80 - 194.196.91.95
Block size: 16

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United Kingdom AT&T Corp - Intra-Legacy T Legal Entity
GB-ATTCORP-NET

CIDR: 194.196.91.96/28
IP Range: 194.196.91.96 - 194.196.91.111
Block size: 16

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United Kingdom AT&T
ATANDT

CIDR: 194.72.83.128/28
IP Range: 194.72.83.128 - 194.72.83.143
Block size: 16

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United Kingdom AT&T
ATT

CIDR: 195.59.47.80/28
IP Range: 195.59.47.80 - 195.59.47.95
Block size: 16

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United Kingdom AT&T Corp
ATTWH-32-42-18-0-28-1304165407

AT&T Infrastructure CaaS R2
London SID

CIDR: 32.42.18.0/28
IP Range: 32.42.18.0 - 32.42.18.15
Block size: 16

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United Kingdom AT&T Corp
ATTWH-32-42-29-208-28-1304243316

AT&T Infrastructure ICN-R2 SID

CIDR: 32.42.29.208/28
IP Range: 32.42.29.208 - 32.42.29.223
Block size: 16

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United Kingdom AT&T Corp
ATTEMEA-UKBHX-EXT-NET

AT&T Public Facilities External (Redditch IDC)

CIDR: 195.33.97.176/29
IP Range: 195.33.97.176 - 195.33.97.183
Block size: 8

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United Kingdom AT&T Corp
ATT-INTERNAL-DNS-BHX-NET

AT&T Webhosting Infrastructure

CIDR: 195.33.113.128/29
IP Range: 195.33.113.128 - 195.33.113.135
Block size: 8

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United Kingdom AT&T Corp
NET-GB-ATT-GLOBAL-IA

AT&T GLOBAL NETWORK SERVICES UK BV

CIDR: 213.86.144.200/29
IP Range: 213.86.144.200 - 213.86.144.207
Block size: 8

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United Kingdom AT&T Corp
ATTENS-WILMERCUTLERPICKERING-2-10127

AT&T IDC Customer

CIDR: 195.33.27.56/29
IP Range: 195.33.27.56 - 195.33.27.63
Block size: 8

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United Kingdom AT&T
GB-ATT-NET

CIDR: 195.75.100.216/29
IP Range: 195.75.100.216 - 195.75.100.223
Block size: 8

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United Kingdom AT&T Corp
NET-GB-AT-AND-T-GLOBAL-NETWORK-SERVICES-NEDERLAND-BV

AT AND T Global Network Services Nederland BV

CIDR: 212.123.250.248/29
IP Range: 212.123.250.248 - 212.123.250.255
Block size: 8

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United Kingdom AT&T Corp
NET-GB-AT-AND-T-GLOBAL-NETWORK-SERVICES-NEDERLAND-BV

AT AND T Global Network Services Nederland BV

CIDR: 212.123.245.72/29
IP Range: 212.123.245.72 - 212.123.245.79
Block size: 8

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United Kingdom AT&T Corp
NET-GB-ATT-GLOBAL-NETWORK-SERVICES-UK-BV

AT&T GLOBAL NETWORK SERVICES (UK) BV

CIDR: 80.169.33.232/29
IP Range: 80.169.33.232 - 80.169.33.239
Block size: 8

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United Kingdom AT&T Corp
NET-GB-ATT-GLOBAL-NETWORK-SERVICES-UK-BV

AT&T GLOBAL NETWORK SERVICES (UK) BV

CIDR: 80.169.148.80/29
IP Range: 80.169.148.80 - 80.169.148.87
Block size: 8

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United Kingdom AT&T Corp
NET-GB-ATT-GLOBAL-NETWORK-SERVICES-UK-BV

AT&T GLOBAL NETWORK SERVICES (UK) BV

CIDR: 84.14.186.88/29
IP Range: 84.14.186.88 - 84.14.186.95
Block size: 8

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United Kingdom AT&T
A-T

CIDR: 217.38.228.64/29
IP Range: 217.38.228.64 - 217.38.228.71
Block size: 8

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United Kingdom AT&T Corp
ATANDT

AT&T Global Network Services (UK) B.V

CIDR: 62.6.34.184/29
IP Range: 62.6.34.184 - 62.6.34.191
Block size: 8

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United Kingdom AT&T
ATANDT

CIDR: 81.128.157.56/29
IP Range: 81.128.157.56 - 81.128.157.63
Block size: 8

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United Kingdom AT&T
A-T

CIDR: 31.121.27.88/29
IP Range: 31.121.27.88 - 31.121.27.95
Block size: 8

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United Kingdom AT&T Corp
AT-T-GLOBAL

AT&T Global Services Ltd

CIDR: 31.121.61.104/29
IP Range: 31.121.61.104 - 31.121.61.111
Block size: 8

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United Kingdom AT&T Corp
ATTWH-32-42-18-248-29-1304162758

AT&T Infrastructure Environmental Monitoring SID

CIDR: 32.42.18.248/29
IP Range: 32.42.18.248 - 32.42.18.255
Block size: 8

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United Kingdom AT&T Corp
ATTWH-32-42-24-40-29-1304162525

AT&T Infrastructure ICN-R2 SID

CIDR: 32.42.24.40/29
IP Range: 32.42.24.40 - 32.42.24.47
Block size: 8

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United Kingdom AT&T Corp
ATTWH-32-42-24-128-29-1304171358

AT&T Infrastructure ICN-R2 SID

CIDR: 32.42.24.128/29
IP Range: 32.42.24.128 - 32.42.24.135
Block size: 8

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United Kingdom IFR - ICN R2 ORT Customer
ATTWH-32-42-29-224-29-1309055024

Sid

CIDR: 32.42.29.224/29
IP Range: 32.42.29.224 - 32.42.29.231
Block size: 8

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United Kingdom IFR - ICN R2 ORT Customer
ATTWH-32-42-29-232-29-1309055621

Sid

CIDR: 32.42.29.232/29
IP Range: 32.42.29.232 - 32.42.29.239
Block size: 8

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United Kingdom IFR - ICN R2 ORT Customer
ATTWH-32-58-132-0-29-1309063705

Sid

CIDR: 32.58.132.0/29
IP Range: 32.58.132.0 - 32.58.132.7
Block size: 8

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United Kingdom IFR - ICN R2 ORT Customer
ATTWH-32-58-132-8-29-1309063910

Sid

CIDR: 32.58.132.8/29
IP Range: 32.58.132.8 - 32.58.132.15
Block size: 8

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United Kingdom AT&T Corp
LEVEL3-CUSTOMER-SMALLNETS

AT&T GLOBAL NETWORK SERVICES UK B

CIDR: 193.240.66.216/30
IP Range: 193.240.66.216 - 193.240.66.219
Block size: 4

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United Kingdom AT&T Corp
ATT_GLOBAL_NETWORK_SERVICES_UK_BV_UK_BRANCH

AT&T Global Network Services (UK) B.V. ? UK Branch

CIDR: 37.46.6.104/30
IP Range: 37.46.6.104 - 37.46.6.107
Block size: 4

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United Kingdom AT&T Corp
ATT_GLOBAL_NETWORK_SERVICES_UK_BV_UK_BRANCH

AT&T Global Network Services (UK) B.V. ? UK Branch

CIDR: 37.46.6.108/30
IP Range: 37.46.6.108 - 37.46.6.111
Block size: 4

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United Kingdom AT&T Corp
AT_AND_T_GLOBAL_NETWORK_SERVICES_UK_BV

AT&T Global Network Services (UK) B.V

CIDR: 80.69.30.16/30
IP Range: 80.69.30.16 - 80.69.30.19
Block size: 4

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United Kingdom AT&T Corp
ATTGNNWSERV

AT & T GLOBAL NETWORK SERVICES

CIDR: 195.89.246.244/30
IP Range: 195.89.246.244 - 195.89.246.247
Block size: 4

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United Kingdom AT&T Corp
ATTGNNWSERV

AT & T GLOBAL NETWORK SERVICES

CIDR: 195.89.246.248/30
IP Range: 195.89.246.248 - 195.89.246.251
Block size: 4

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