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City

Columbia

Maryland United States America/New_York
IPv4 addresses
271,162
Ranges
50
Time zone
America/New_York

Other cities in Maryland

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

Top ranges in Columbia

CIDRIPsOrganizationASN
159.142.128.0/17 32.8K MetTel AS16524
158.12.0.0/18 16.4K United States Department of Defense DoD AS668
159.142.64.0/18 16.4K MetTel AS16524
159.142.0.0/18 16.4K MetTel AS16524
158.12.192.0/18 16.4K United States Department of Defense DoD AS668
158.12.160.0/19 8.2K United States Department of Defense DoD AS668
128.231.128.0/19 8.2K National Institutes of Health AS3527
50.190.192.0/20 4.1K Comcast Cable Communications, LLC AS7922
128.244.48.0/20 4.1K Johns Hopkins University Applied Physics Laboratory AS77
128.244.16.0/20 4.1K Johns Hopkins University Applied Physics Laboratory AS77
158.12.128.0/20 4.1K United States Department of Defense DoD AS668
76.151.176.0/20 4.1K Comcast Cable Communications, LLC AS7922
73.200.64.0/20 4.1K Comcast Cable Communications, LLC AS7922
128.231.176.0/20 4.1K National Institutes of Health AS3527
206.136.48.0/20 4.1K Verizon Business AS701
206.41.208.0/20 4.1K Expedient AS17054
166.251.192.0/20 4.1K Verizon Business AS6167
71.127.144.0/21 2.0K Verizon Business AS701
73.172.160.0/21 2.0K Comcast Cable Communications, LLC AS7922
73.129.16.0/21 2.0K Comcast Cable Communications, LLC AS7922
73.173.184.0/21 2.0K Comcast Cable Communications, LLC AS7922
100.16.224.0/21 2.0K Verizon Business AS701
73.200.64.0/21 2.0K Comcast Cable Communications, LLC AS7922
76.151.176.0/21 2.0K Comcast Cable Communications, LLC AS7922
73.135.184.0/21 2.0K Comcast Cable Communications, LLC AS7922
63.208.184.0/21 2.0K Level 3 Parent, LLC AS3356
17.18.184.0/21 2.0K Apple Inc. AS714
50.220.80.0/21 2.0K — —
71.244.248.0/21 2.0K Verizon Business AS701
198.202.0.0/21 2.0K University System of Maryland AS6059
69.138.24.0/21 2.0K Comcast Cable Communications, LLC AS7922
76.100.160.0/21 2.0K Comcast Cable Communications, LLC AS7922
216.83.192.0/21 2.0K Data Processing Solutions, Inc. AS16463
76.100.16.0/21 2.0K Comcast Cable Communications, LLC AS7922
63.208.180.0/22 1.0K Level 3 Parent, LLC AS3356
208.250.132.0/22 1.0K Verizon Business AS701
70.22.40.0/22 1.0K Verizon Business AS701
206.136.40.0/22 1.0K Verizon Business AS701
68.33.68.0/22 1.0K Comcast Cable Communications, LLC AS7922
73.129.20.0/22 1.0K Comcast Cable Communications, LLC AS7922
50.169.120.0/22 1.0K Comcast Cable Communications, LLC AS7922
173.67.32.0/22 1.0K Verizon Business AS701
73.135.192.0/22 1.0K Comcast Cable Communications, LLC AS7922
151.196.184.0/22 1.0K Verizon Business AS701
165.140.212.0/22 1.0K Howard County, Maryland AS26297
69.138.28.0/22 1.0K Comcast Cable Communications, LLC AS7922
69.140.240.0/22 1.0K Comcast Cable Communications, LLC AS7922
98.233.52.0/22 1.0K Comcast Cable Communications, LLC AS7922
98.204.152.0/22 1.0K Comcast Cable Communications, LLC AS7922
69.143.80.0/22 1.0K Comcast Cable Communications, LLC AS7922
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