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City

Houston

Texas United States America/Chicago
IPv4 addresses
8,913,575
Ranges
50
Time zone
America/Chicago

Other cities in Texas

Click any dot to switch cities. Size and color scale with IPv4 allocation; the current city is marked in cyan.

Top ranges in Houston

CIDRIPsOrganizationASN
143.111.0.0/16 65.5K — AS11773
134.163.0.0/16 65.5K Shell Information Technology International, Inc. AS11355
136.251.128.0/17 32.8K Schlumberger Limited AS72
166.127.128.0/17 32.8K Houston Independent School District AS4604
168.5.128.0/17 32.8K — AS8
128.249.0.0/17 32.8K Baylor College of Medicine AS302
128.157.0.0/17 32.8K National Aeronautics and Space Administration AS270
107.19.128.0/17 32.8K — AS14654
107.107.128.0/17 32.8K AT&T Enterprises, LLC AS20057
129.106.0.0/17 32.8K — AS5707
168.51.128.0/17 32.8K General Services Commission AS1761
170.206.128.0/17 32.8K T-Mobile USA, Inc. AS21928
129.7.128.0/17 32.8K — AS7276
143.111.0.0/17 32.8K — AS11773
208.178.64.0/18 16.4K Level 3 Parent, LLC AS3549
50.176.192.0/18 16.4K — AS7922
128.42.128.0/18 16.4K Rice University AS8
4.78.64.0/18 16.4K — AS3356
129.207.64.0/18 16.4K — AS46335
129.7.192.0/18 16.4K — AS7276
168.4.0.0/18 16.4K — AS8
129.168.64.0/18 16.4K National Aeronautics and Space Administration AS270
204.60.192.0/18 16.4K AT&T Enterprises, LLC AS7018
97.160.192.0/18 16.4K Verizon Business AS6167
97.161.0.0/18 16.4K Verizon Business AS6167
18.89.128.0/18 16.4K — AS16509
99.138.192.0/18 16.4K AT&T Enterprises, LLC AS7018
99.158.64.0/18 16.4K AT&T Enterprises, LLC AS7018
107.19.64.0/18 16.4K — AS14654
107.92.0.0/18 16.4K AT&T Enterprises, LLC AS20057
107.92.192.0/18 16.4K AT&T Enterprises, LLC AS20057
128.157.192.0/18 16.4K National Aeronautics and Space Administration AS270
128.249.128.0/18 16.4K Baylor College of Medicine AS302
166.127.0.0/18 16.4K Houston Independent School District AS4604
166.133.192.0/18 16.4K AS64011 AS64011
166.172.64.0/18 16.4K AT&T Enterprises, LLC AS20057
166.176.64.0/18 16.4K AT&T Enterprises, LLC AS20057
168.4.192.0/18 16.4K — AS8
168.5.64.0/18 16.4K — AS8
168.51.0.0/18 16.4K General Services Commission AS1761
170.57.64.0/18 16.4K — AS46298
170.57.128.0/18 16.4K — AS46298
174.171.192.0/18 16.4K Comcast Cable Communications, LLC AS7922
192.23.64.0/18 16.4K — —
192.23.192.0/18 16.4K Schlumberger Limited AS72
129.168.192.0/18 16.4K — AS270
139.169.128.0/18 16.4K National Aeronautics and Space Administration AS270
166.127.192.0/18 16.4K Houston Independent School District AS4604
168.5.192.0/18 16.4K — AS8
129.168.128.0/18 16.4K — AS270
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