AS203421
Baltic Broadband Limited
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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 6 internet exchanges: LINX LON2, LINX LON1: Main, IX Liverpool - MICT: Titanic, IX Liverpool - Baltic Bubble: Mersey, LONAP: LON0, LINX Manchester
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 185.135.104.0/22 | 1.0K |
92.1%
|
Baltic Broadband Limited | GB | England | Liverpool |
| 193.160.188.0/22 | 1.0K |
0.0%
|
Baltic Broadband Limited | GB | England | Liverpool |
| 62.3.52.0/24 | 256 |
99.2%
|
Baltic Broadband Limited | GB | England | Liverpool |
| 212.47.43.0/24 | 256 |
5.9%
|
Baltic Broadband Limited | GB | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS203421 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 |
|---|---|---|
| 212.47.43.0/24 | 21,900 | 2026-08-02 13:29:02 |
| 62.3.52.0/24 | 18,799 | 2026-08-02 13:28:22 |
| 185.135.104.0/22 | 18,688 | 2026-08-02 13:28:22 |
| 193.160.188.0/22 | 18,566 | 2026-08-02 13:28:22 |
Frequently Asked Questions
What is AS203421?
AS203421 is an Autonomous System Number assigned to Baltic Broadband 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 AS203421 announce?
AS203421 announces 2.6K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS203421?
AS203421 is operated by Baltic Broadband Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS203421 registered in?
AS203421 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
