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.

Rank

1

AS Number

AS749

Organisation

United States Department of Defense (DoD)

Total IPv4 Addresses

222,930,240

Rank

2

AS Number

AS16509

Organisation

Amazon.com, Inc.

Total IPv4 Addresses

143,076,249

Rank

3

AS Number

AS4134

Organisation

No.31,Jin-rong Street Beijing 100032

Total IPv4 Addresses

100,558,022

Rank

4

AS Number

AS7018

Organisation

AT&T Enterprises, LLC

Total IPv4 Addresses

89,238,826

Rank

5

AS Number

AS7922

Organisation

Comcast Cable Communications, LLC

Total IPv4 Addresses

67,554,017

Rank

6

AS Number

AS8075

Organisation

Microsoft Corporation

Total IPv4 Addresses

65,302,731

Rank

7

AS Number

AS4837

Organisation

CHINA UNICOM China169 Backbone

Total IPv4 Addresses

56,917,582

Rank

8

AS Number

AS4766

Organisation

Korea Telecom

Total IPv4 Addresses

46,325,066

Rank

9

AS Number

AS701

Organisation

Verizon Business

Total IPv4 Addresses

40,331,924

Rank

10

AS Number

AS17676

Organisation

SoftBank Mobile Corp. Tokyo Port City Takeshiba ..

Total IPv4 Addresses

38,059,669

Rank

11

AS Number

AS3320

Organisation

Deutsche Telekom AG

Total IPv4 Addresses

34,170,510

Rank

12

AS Number

AS721

Organisation

United States Department of Defense (DoD)

Total IPv4 Addresses

29,096,192

Rank

13

AS Number

AS4713

Organisation

NTT Communications Corporation

Total IPv4 Addresses

28,625,526

Rank

14

AS Number

AS3356

Organisation

Level 3 Parent, LLC

Total IPv4 Addresses

27,429,706

Rank

15

AS Number

AS174

Organisation

Cogent Communications, LLC

Total IPv4 Addresses

23,908,127