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 5 internet exchanges: LINX LON1: Main, Any2West, LONAP: LON0, MegaIX Sydney: MegaIX, DE-CIX New York: DE-CIX New York Peering LAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 94.143.248.0/21 | 2.0K |
91.9%
|
Sohonet Limited | GB | England | Iver |
| 173.0.175.0/24 | 256 |
87.9%
|
Sohonet Limited | US | — | — |
| 203.83.203.0/24 | 256 |
97.7%
|
Sohonet Limited | AU | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS16164 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 |
|---|---|---|
| 203.83.203.0/24 | 16,278 | 2026-07-24 23:07:15 |
| 173.0.175.0/24 | 6,854 | 2026-07-24 20:28:31 |
| 94.143.248.0/21 | 5,824 | 2026-07-24 23:34:12 |
Frequently Asked Questions
What is AS16164?
AS16164 is an Autonomous System Number assigned to Sohonet 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 AS16164 announce?
AS16164 announces 2.6K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS16164?
AS16164 is operated by Sohonet Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS16164 registered in?
AS16164 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
