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United States

United States IP Ranges in CIDR format

Updated: 17 September 2025
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IPTables

IPTables - for Linux firewalls

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IPChains

IPChains - for older Linux systems

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Cisco ACL

Cisco ACL - for Cisco routers and switches

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CIDR

CIDR - standard notation for IP ranges

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IPv4 Ranges

Total ranges: 68424

14.1.64.0/19
27.100.36.0/22
36.50.2.0/24
36.50.32.0/23
36.50.83.0/24
36.255.24.0/22
43.198.0.0/15
43.200.0.0/13
43.208.0.0/13
43.216.0.0/14
43.220.0.0/15
43.224.28.0/22
43.227.112.0/22
43.230.160.0/22
43.231.8.0/22
43.239.249.0/24
43.245.48.0/22
43.251.180.0/22
45.112.180.0/22
45.114.92.0/22
68404 more ranges...

IPv6 Ranges

Total ranges: 10150

2001:dd8:7::/48
2001:df0:27e::/47
2001:df0:290::/48
2001:df0:2e40::/48
2001:df0:6f40::/48
2001:df0:7840::/48
2001:df0:a540::/48
2001:df1:ec0::/48
2001:df1:6e80::/48
2001:df1:7780::/48
2001:df1:7f40::/48
2001:df1:81c0::/48
2001:df2:a300::/48
2001:df2:c740::/48
2001:df2:e500::/48
2001:df2:fc80::/48
2001:df3:800::/44
2001:df3:810::/44
2001:df3:45c0::/48
2001:df3:46c0::/48
10130 more ranges...

What are IP ranges for United States?

IP ranges for United States are sets of IP addresses assigned to internet service providers and organizations within United States. These addresses are used to connect devices to the internet or internal networks and help identify traffic originating from United States.

How to use United States IP ranges

IP ranges for United States are widely used in network device configurations such as firewalls, routers and switches. You can use these ranges to filter traffic, block unwanted connections from or to United States, or allow access only to specific IP addresses from United States.

IPv4 and IPv6 ranges for United States

Current IPv4 and IPv6 ranges allow you to configure secure and reliable connections with United States. You can use these ranges to configure IPTABLES, IPCHAINS and CISCO ACL configurations for network security and access control.

IPv4 Ranges

Total ranges: 68424

IPv4 ranges for United States include main address blocks used by internet service providers and organizations.

IPv6 Ranges

Total ranges: 10150

IPv6 ranges for United States represent modern next-generation address blocks for advanced network infrastructure.

Network security tools for United States

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