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 →
Network profile
Source: PeeringDB →Present at 1 internet exchange: LONAP: LON0
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 185.70.132.0/22 | 1.0K |
34.0%
|
4on LTD | GB | England | Borehamwood |
| 185.251.224.0/22 | 1.0K |
11.5%
|
4on LTD | GB | England | Bath |
| 185.254.88.0/22 | 1.0K |
8.8%
|
4on LTD | GB | England | Cheltenham |
| 194.147.120.0/22 | 1.0K |
4.9%
|
4on LTD | GB | — | — |
| 185.241.36.0/23 | 512 |
1.4%
|
4on LTD | GB | England | Cheltenham |
| 193.169.216.0/23 | 512 |
0.0%
|
4on LTD | GB | — | — |
| 185.241.38.0/24 | 256 |
0.0%
|
4on LTD | GB | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS59816 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 |
|---|---|---|
| 185.241.37.0/24 | 7,802 | 2026-07-27 00:27:20 |
| 185.241.38.0/24 | 7,802 | 2026-07-27 00:27:20 |
| 185.251.225.0/24 | 7,271 | 2026-07-27 00:27:36 |
| 185.254.88.0/22 | 5,652 | 2026-07-27 00:27:30 |
| 185.251.224.0/22 | 5,196 | 2026-07-27 00:27:20 |
| 185.70.132.0/22 | 5,191 | 2026-07-27 00:27:20 |
| 185.241.36.0/24 | 5,181 | 2026-07-27 00:27:20 |
| 194.147.120.0/22 | 5,037 | 2026-07-27 00:27:20 |
| 193.169.216.0/23 | 5,034 | 2026-07-27 00:40:19 |
Frequently Asked Questions
What is AS59816?
AS59816 is an Autonomous System Number assigned to 4on LTD. 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 AS59816 announce?
AS59816 announces 5.4K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS59816?
AS59816 is operated by 4on LTD. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS59816 registered in?
AS59816 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
