United Kingdom 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: 9043

45.114.220.0/22

103.19.244.0/22

103.23.172.0/23

103.26.144.0/22

103.42.230.0/23

103.69.204.0/22

103.73.186.0/23

103.82.64.0/23

103.82.128.0/22

103.84.112.0/22

103.89.132.0/22

103.93.76.0/22

103.115.96.0/24

103.124.186.0/24

103.141.6.0/23

103.153.50.0/23

103.167.134.0/23

103.170.154.0/23

103.176.152.0/23

103.176.196.0/23

9023 more ranges...

IPv6 Ranges

Total ranges: 2036

2001:df0:22c0::/48

2001:df0:c940::/48

2001:df3:3c40::/48

2001:df4:3280::/48

2001:df4:96c0::/48

2001:df6:b780::/48

2001:df7:100::/48

2001:df7:1d80::/48

2001:df7:1d81::/48

2400:33e0::/32

2400:3d20::/32

2400:4ee0::/32

2400:83c0::/32

2400:9e40::/32

2400:efc0::/32

2401:a780::/32

2401:e4e0::/32

2405:8c0::/32

2405:fb80::/32

2407:1880::/32

2016 more ranges...

What are IP ranges for United Kingdom?

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

How to use United Kingdom IP ranges

IP ranges for United Kingdom 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 Kingdom, or allow access only to specific IP addresses from United Kingdom.

IPv4 and IPv6 ranges for United Kingdom

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

IPv4 Ranges

Total ranges: 9043

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

IPv6 Ranges

Total ranges: 2036

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

Network security tools for United Kingdom

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