AS204222
His Majesty's Revenue and Customs
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About HM Revenue and Customs
His Majesty's Revenue and Customs is a department of the UK government responsible for the collection of taxes, the payment of some forms of state support, the administration of other regulatory regimes including the national minimum wage, and the issuance of national insurance numbers.
Network profile
Source: PeeringDB →Present at 2 internet exchanges: LINX LON1: Main, LINX LON2
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 163.171.0.0/18 | 16.4K |
0.0%
|
His Majesty's Revenue and Customs | GB | England | Liverpool |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS204222 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 163.171.0.0/18 | 4,942 | 2026-07-29 00:56:56 |
Frequently Asked Questions
What is AS204222?
AS204222 is an Autonomous System Number assigned to His Majesty's Revenue and Customs. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS204222 announce?
AS204222 announces 16.4K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS204222?
AS204222 is operated by His Majesty's Revenue and Customs. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS204222 registered in?
AS204222 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
