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 1 internet exchange: FICIX 2 (Helsinki): IPv4+IPv6 MTU 1500
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 80.66.160.0/20 | 4.1K |
78.8%
|
Seltimil Oy | FI | Central Finland | Jyväskylä |
| 91.190.192.0/21 | 2.0K |
97.8%
|
Seltimil Oy | FI | Central Finland | Jyväskylä |
| 146.66.24.0/22 | 1.0K |
93.5%
|
Seltimil Oy | FI | — | — |
| 185.40.88.0/22 | 1.0K |
100.0%
|
Seltimil Oy | FI | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51728 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 |
|---|---|---|
| 185.40.88.0/22 | 44,013 | 2026-07-20 00:15:42 |
| 91.190.192.0/21 | 43,154 | 2026-07-20 00:12:28 |
| 146.66.24.0/22 | 42,466 | 2026-07-20 00:14:37 |
| 80.66.160.0/20 | 39,303 | 2026-07-20 00:12:28 |
Frequently Asked Questions
What is AS51728?
AS51728 is an Autonomous System Number assigned to Seltimil Oy. 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 AS51728 announce?
AS51728 announces 8.2K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Finland.
Who operates AS51728?
AS51728 is operated by Seltimil Oy. The organization is based in Finland. You can view all IP ranges and related ASNs on the organization page.
What country is AS51728 registered in?
AS51728 is registered in Finland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
