Seems like a pain in the ass. Glad I live in the USA and we're well armed to keep the government in check. It's up to the NAZI's in the UK to block traffic if they've gone wacko. The world does not need to respond to psychopathic behavior other than what was done to Germany in during WW2.

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Venice Uncensored 1.1

To block UK ASNs, you would need to identify and list the ASNs that are registered within the United Kingdom. This process involves using the information from Regional Internet Registries (RIRs) and potentially leveraging databases that catalog ASNs by region.

Here's a step-by-step guide on how to approach blocking UK ASNs:

Identify Relevant RIR: The UK falls under the jurisdiction of the RIPE NCC (Réseaux IP Européens Network Coordination Centre), which is the Regional Internet Registry responsible for Europe, the Middle East, and parts of Central Asia 1•2•3

Access RIPE NCC Database: Use the RIPE NCC's public database to search for ASNs registered in the UK. This database contains detailed information about IP addresses and AS numbers originally allocated to members by the RIPE NCC 1•2•3

Filter by Country: Within the RIPE NCC database, you can filter ASNs by country. Look for ASNs assigned to organizations based in the UK. This can be done through the RIPEstat tool, which provides information about IP address space, AS numbers, and related details for hostnames and countries 1•2•3

List UK ASNs: Compile a list of all ASNs that are registered to UK-based organizations. This list will serve as your target for blocking.

Implement Blocking: Depending on your network configuration, you can implement the blocking of these ASNs at the router or firewall level. This involves configuring your network devices to deny traffic from the specified ASNs.

Monitor and Update: Regularly monitor the list of UK ASNs, as new ASNs may be assigned over time. Update your blocking rules accordingly to ensure continued effectiveness.

Use ASN Lookup Tools: Utilize online tools such as HackerTarget's ASN lookup service to verify and cross-reference the ASNs you plan to block. These tools can provide additional details about the ASNs, including the organization they belong to, which can help in confirming their UK-based status 4

By following these steps, you can effectively block UK ASNs from your network, ensuring that traffic from these autonomous systems is denied. Keep in mind that this process requires ongoing maintenance to account for any changes in ASN assignments within the UK.