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 3 internet exchanges: LINX LON1: Main, LONAP: LON0, LINX LON2
AS39545 — global IP footprint
Cities where AS39545 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 77.89.128.0/18 | 16.4K |
98.4%
|
Fluidone Ltd. | GB | England | Greenwich |
| 46.247.0.0/19 | 8.2K |
97.3%
|
Fluidone Ltd. | GB | England | Greenwich |
| 89.105.96.0/19 | 8.2K |
100.0%
|
Fluidone Ltd. | GB | England | Lambeth |
| 46.247.112.0/20 | 4.1K |
99.7%
|
Fluidone Ltd. | GB | England | Barnet |
| 46.247.110.0/23 | 512 |
97.3%
|
Fluidone Ltd. | GB | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS39545 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 |
|---|---|---|
| 89.105.96.0/19 | 8,187 | 2026-07-24 18:38:58 |
| 46.247.110.0/23 | 8,097 | 2026-07-24 18:38:58 |
| 46.247.112.0/20 | 8,085 | 2026-07-24 18:38:58 |
| 46.247.0.0/19 | 8,056 | 2026-07-24 18:38:58 |
| 77.89.128.0/18 | 7,694 | 2026-07-24 18:38:58 |
| 77.89.145.0/24 | 3,868 | 2026-07-24 17:12:08 |
Frequently Asked Questions
What is AS39545?
AS39545 is an Autonomous System Number assigned to Fluidone 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 AS39545 announce?
AS39545 announces 37.4K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS39545?
AS39545 is operated by Fluidone Ltd.. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS39545 registered in?
AS39545 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
