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NETWORK INSIGHTS
Autonomous Systems advertised IPv4 space rank

This report shows the global list of active Autonomous Systems (AS) ranked by total advertised IPv4 addresses.

Showing 0 - 15 of 77,251 Results
Rank
AS Number
Organisation
Total IPv4 Addresses
Rank
1
AS Number
AS749
Organisation
US flag
DoD Network Information Center
Total IPv4 Addresses
224,898,560
Rank
2
AS Number
AS4134
Organisation
CN flag
No.31,Jin-rong Street Beijing 100032
Total IPv4 Addresses
102,596,183
Rank
3
AS Number
AS7018
Organisation
US flag
AT&T Services, Inc.
Total IPv4 Addresses
92,430,127
Rank
4
AS Number
AS4837
Organisation
CN flag
CHINA UNICOM China169 Backbone
Total IPv4 Addresses
57,158,295
Rank
5
AS Number
AS8075
Organisation
US flag
Microsoft Corporation
Total IPv4 Addresses
53,727,626
Rank
6
AS Number
AS16509
Organisation
US flag
Amazon.com, Inc.
Total IPv4 Addresses
46,593,198
Rank
7
AS Number
AS4766
Organisation
KR flag
Korea Telecom
Total IPv4 Addresses
46,296,383
Rank
8
AS Number
AS17676
Organisation
JP flag
SoftBank Corp.
Total IPv4 Addresses
43,605,366
Rank
9
AS Number
AS701
Organisation
US flag
Verizon Business
Total IPv4 Addresses
39,909,619
Rank
10
AS Number
AS3320
Organisation
DE flag
Deutsche Telekom AG
Total IPv4 Addresses
34,001,522
Rank
11
AS Number
AS721
Organisation
US flag
DoD Network Information Center
Total IPv4 Addresses
30,850,304
Rank
12
AS Number
AS6167
Organisation
US flag
Verizon Business
Total IPv4 Addresses
28,839,152
Rank
13
AS Number
AS4713
Organisation
JP flag
NTT Communications Corporation
Total IPv4 Addresses
28,681,174
Rank
14
AS Number
AS3356
Organisation
US flag
Level 3 Parent, LLC
Total IPv4 Addresses
28,277,301
Rank
15
AS Number
AS3269
Organisation
IT flag
Telecom Italia S.p.A.
Total IPv4 Addresses
20,494,910
Showing 0 - 15 of 77,251 Results