AT&T Corp
IPv4 IPv6
Networks by country:
United States (171726),
Japan (264),
Canada (202),
Italy (140),
Singapore (95),
United Kingdom (48),
Germany (36),
Netherlands (36),
Australia (35),
Slovakia (19),
Luxembourg (18),
Czech Republic (17),
Finland (17),
India (16),
Hong Kong (13),
Ecuador (13),
France (12),
New Zealand (12),
Brazil (11),
Spain (8),
China (7),
Peru (6),
Belgium (4),
Taiwan (4),
Austria (4),
South Korea (3),
Israel (3),
Serbia (3),
Sweden (3),
Denmark (2),
Bulgaria (2),
Bosnia and Herzegovina (2),
Russia (2),
Switzerland (2),
Vietnam (2),
Slovenia (2),
South Africa (2),
European Union (2),
Guatemala (1),
Portugal (1),
Panama (1),
Romania (1),
Indonesia (1),
Croatia (1),
Cyprus (1),
Turkey (1),
Chile (1),
Greece (1),
United Arab Emirates (1),
Hungary (1),
U.S. Virgin Islands (1),
Costa Rica (1),
Ireland (1),
Norway (1)
Assigned AS: AS4742, AS6934, AS7948, AS11329, AS19958






















































Assigned AS: AS4742, AS6934, AS7948, AS11329, AS19958
Updated: 03 July 2025
We found 172,617 IPv4 networks operated by this organization.
Showing 13 networks in Hong Kong.
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Results sorted by network size.
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CIDR: 202.74.106.0/24
IP Range: 202.74.106.0 - 202.74.106.255
Block size: 256
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IP Range: 202.74.106.0 - 202.74.106.255
Block size: 256
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CIDR: 202.74.107.0/24
IP Range: 202.74.107.0 - 202.74.107.255
Block size: 256
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IP Range: 202.74.107.0 - 202.74.107.255
Block size: 256
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CIDR: 203.92.223.128/26
IP Range: 203.92.223.128 - 203.92.223.191
Block size: 64
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IP Range: 203.92.223.128 - 203.92.223.191
Block size: 64
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AP-HOSTING
AT&T MSSMPFW Production Facility
399 ChaiWan Road 15th Floor Site 10548
Causeway Bay
Business Svcs
CIDR: 122.248.139.192/26
IP Range: 122.248.139.192 - 122.248.139.255
Block size: 64
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IP Range: 122.248.139.192 - 122.248.139.255
Block size: 64
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CIDR: 27.111.198.0/26
IP Range: 27.111.198.0 - 27.111.198.63
Block size: 64
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IP Range: 27.111.198.0 - 27.111.198.63
Block size: 64
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CIDR: 202.74.105.64/28
IP Range: 202.74.105.64 - 202.74.105.79
Block size: 16
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IP Range: 202.74.105.64 - 202.74.105.79
Block size: 16
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CIDR: 202.74.105.80/28
IP Range: 202.74.105.80 - 202.74.105.95
Block size: 16
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IP Range: 202.74.105.80 - 202.74.105.95
Block size: 16
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CIDR: 210.177.186.48/29
IP Range: 210.177.186.48 - 210.177.186.55
Block size: 8
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IP Range: 210.177.186.48 - 210.177.186.55
Block size: 8
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CIDR: 203.196.120.152/29
IP Range: 203.196.120.152 - 203.196.120.159
Block size: 8
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IP Range: 203.196.120.152 - 203.196.120.159
Block size: 8
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CIDR: 122.248.141.64/29
IP Range: 122.248.141.64 - 122.248.141.71
Block size: 8
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IP Range: 122.248.141.64 - 122.248.141.71
Block size: 8
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CIDR: 122.248.141.72/29
IP Range: 122.248.141.72 - 122.248.141.79
Block size: 8
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IP Range: 122.248.141.72 - 122.248.141.79
Block size: 8
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HKINTRAS
AT&T Internal Remote Access
1301-04 15/F Mega iAdvantage, 399 Chai Wan Road, Chai Wan
Hong Kong
Others
CIDR: 122.248.141.240/29
IP Range: 122.248.141.240 - 122.248.141.247
Block size: 8
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IP Range: 122.248.141.240 - 122.248.141.247
Block size: 8
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CIDR: 220.241.17.248/29
IP Range: 220.241.17.248 - 220.241.17.255
Block size: 8
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IP Range: 220.241.17.248 - 220.241.17.255
Block size: 8
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