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WorldIP.io
Organization

Optimum

Isp United States
IPv4 addresses
2,839,834
CIDR ranges
2,747
Category
isp

Countries served by Optimum

Every country where this organization has IPv4 allocations, ranked by IPs held.

United States 2.84M

ASNs owned by Optimum

ASNNameIPsPrefixesCountry
AS19108 Optimum 2.84M 2,747 US

Largest CIDR ranges

CIDRIPsASN
47.212.0.0/14 262.1K AS19108
47.216.0.0/15 131.1K AS19108
173.216.0.0/15 131.1K AS19108
75.110.0.0/16 65.5K AS19108
173.81.0.0/16 65.5K AS19108
173.218.0.0/16 65.5K AS19108
47.210.0.0/17 32.8K AS19108
47.211.0.0/17 32.8K AS19108
50.25.0.0/17 32.8K AS19108
66.76.0.0/17 32.8K AS19108
74.193.128.0/17 32.8K AS19108
74.194.0.0/17 32.8K AS19108
74.195.128.0/17 32.8K AS19108
74.197.128.0/17 32.8K AS19108
75.108.0.0/17 32.8K AS19108
75.109.128.0/17 32.8K AS19108
24.121.192.0/18 16.4K AS19108
24.156.64.0/18 16.4K AS19108
47.209.128.0/18 16.4K AS19108
47.210.192.0/18 16.4K AS19108
47.211.128.0/18 16.4K AS19108
50.25.128.0/18 16.4K AS19108
50.27.192.0/18 16.4K AS19108
66.76.192.0/18 16.4K AS19108
74.192.192.0/18 16.4K AS19108
74.196.0.0/18 16.4K AS19108
74.196.192.0/18 16.4K AS19108
75.108.128.0/18 16.4K AS19108
75.109.64.0/18 16.4K AS19108
173.80.0.0/18 16.4K AS19108
173.80.128.0/18 16.4K AS19108
173.219.128.0/18 16.4K AS19108
208.180.192.0/18 16.4K AS19108
209.207.0.0/18 16.4K AS19108
24.32.0.0/19 8.2K AS19108
24.32.160.0/19 8.2K AS19108
24.32.224.0/19 8.2K AS19108
24.121.32.0/19 8.2K AS19108
24.121.64.0/19 8.2K AS19108
24.121.160.0/19 8.2K AS19108
24.156.32.0/19 8.2K AS19108
24.206.224.0/19 8.2K AS19108
47.208.32.0/19 8.2K AS19108
47.208.64.0/19 8.2K AS19108
47.208.160.0/19 8.2K AS19108
47.209.224.0/19 8.2K AS19108
47.210.160.0/19 8.2K AS19108
47.211.224.0/19 8.2K AS19108
47.218.0.0/19 8.2K AS19108
47.218.128.0/19 8.2K AS19108
47.219.128.0/19 8.2K AS19108
47.219.192.0/19 8.2K AS19108
47.220.96.0/19 8.2K AS19108
47.220.224.0/19 8.2K AS19108
47.222.64.0/19 8.2K AS19108
47.222.160.0/19 8.2K AS19108
47.222.224.0/19 8.2K AS19108
47.223.0.0/19 8.2K AS19108
47.223.64.0/19 8.2K AS19108
50.24.0.0/19 8.2K AS19108
50.26.128.0/19 8.2K AS19108
50.27.128.0/19 8.2K AS19108
66.76.128.0/19 8.2K AS19108
72.47.0.0/19 8.2K AS19108
72.47.160.0/19 8.2K AS19108
74.194.128.0/19 8.2K AS19108
74.194.224.0/19 8.2K AS19108
74.195.0.0/19 8.2K AS19108
74.195.96.0/19 8.2K AS19108
74.196.64.0/19 8.2K AS19108
74.197.0.0/19 8.2K AS19108
74.197.96.0/19 8.2K AS19108
75.108.224.0/19 8.2K AS19108
75.109.32.0/19 8.2K AS19108
75.111.32.0/19 8.2K AS19108
75.111.64.0/19 8.2K AS19108
75.111.128.0/19 8.2K AS19108
173.80.96.0/19 8.2K AS19108
173.80.224.0/19 8.2K AS19108
173.219.96.0/19 8.2K AS19108
208.180.32.0/19 8.2K AS19108
208.180.96.0/19 8.2K AS19108
209.33.32.0/19 8.2K AS19108
209.33.64.0/19 8.2K AS19108
24.32.48.0/20 4.1K AS19108
24.32.80.0/20 4.1K AS19108
24.32.96.0/20 4.1K AS19108
24.32.144.0/20 4.1K AS19108
24.32.208.0/20 4.1K AS19108
24.121.0.0/20 4.1K AS19108
24.121.128.0/20 4.1K AS19108
24.156.0.0/20 4.1K AS19108
24.206.128.0/20 4.1K AS19108
24.206.176.0/20 4.1K AS19108
24.206.208.0/20 4.1K AS19108
47.208.128.0/20 4.1K AS19108
47.209.64.0/20 4.1K AS19108
47.209.192.0/20 4.1K AS19108
47.210.128.0/20 4.1K AS19108
47.211.208.0/20 4.1K AS19108
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