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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 6 internet exchanges: LINX LON1: Main, IXLeeds, LINX Manchester, LONAP: LON0, MegaIX Dusseldorf, MegaIX Frankfurt
AS41230 — global IP footprint
Cities where AS41230 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS41230 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 |
|---|---|---|
| 31.205.0.0/16 | 5,156 | 2026-07-23 15:47:01 |
| 78.109.176.0/20 | 4,999 | 2026-07-23 15:47:01 |
| 81.23.48.0/20 | 4,986 | 2026-07-23 15:47:01 |
| 185.198.228.0/22 | 4,875 | 2026-07-23 15:47:01 |
| 185.134.144.0/22 | 4,868 | 2026-07-23 15:47:01 |
| 213.143.0.0/19 | 4,845 | 2026-07-23 15:47:01 |
| 45.81.120.0/22 | 3,735 | 2026-07-23 15:46:48 |
| 45.154.248.0/22 | 3,711 | 2026-07-23 15:46:48 |
| 185.134.139.0/24 | 3,595 | 2026-07-23 15:46:48 |
| 185.134.138.0/24 | 3,593 | 2026-07-23 15:46:48 |
| 176.119.145.0/24 | 3,590 | 2026-07-23 15:46:48 |
| 185.134.128.0/22 | 3,588 | 2026-07-23 15:46:48 |
| 185.134.136.0/23 | 3,582 | 2026-07-23 15:46:48 |
| 185.134.136.0/22 | 3,465 | 2026-07-23 15:46:48 |
| 31.205.64.0/18 | 2,021 | 2026-07-23 15:09:11 |
| 31.205.192.0/18 | 1,867 | 2026-07-23 15:09:08 |
Frequently Asked Questions
What is AS41230?
AS41230 is an Autonomous System Number assigned to ASK4 Limited. 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 AS41230 announce?
AS41230 announces 88.3K IPv4 addresses distributed across 27 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS41230?
AS41230 is operated by ASK4 Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS41230 registered in?
AS41230 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
