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 14 internet exchanges: DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, Netnod Stockholm GREEN -- MTU1500: STH-A -- MTU1500, Netnod Stockholm BLUE -- MTU1500: STH-B -- MTU1500, AMS-IX, Netnod Copenhagen BLUE -- MTU9K: 9K-BLUE, Netnod Copenhagen GREEN -- MTU9K: 9K-GREEN, STHIX - Copenhagen: CPH Peering, NL-ix: Main, LOCIX FRANKFURT: Peering LAN, DE-CIX Copenhagen, …
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 89.23.224.0/19 | 8.2K |
0.0%
|
Fiberby ApS | DK | Capital Region | Copenhagen |
| 185.10.220.0/22 | 1.0K |
99.7%
|
Fiberby ApS | DK | Capital Region | Copenhagen |
| 193.106.164.0/22 | 1.0K |
99.0%
|
Fiberby ApS | DK | — | — |
| 194.62.216.0/23 | 512 |
10.0%
|
Fiberby ApS | DK | Capital Region | Copenhagen |
| 193.104.135.0/24 | 256 |
95.3%
|
Fiberby ApS | DK | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS42541 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 |
|---|---|---|
| 193.106.164.0/22 | 10,303 | 2026-07-24 14:20:59 |
| 193.104.135.0/24 | 10,297 | 2026-07-24 14:20:59 |
| 185.10.220.0/22 | 10,294 | 2026-07-24 14:21:30 |
| 89.23.224.0/19 | 10,264 | 2026-07-24 14:19:28 |
| 194.62.216.0/23 | 9,114 | 2026-07-24 14:20:59 |
Frequently Asked Questions
What is AS42541?
AS42541 is an Autonomous System Number assigned to Fiberby ApS. 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 AS42541 announce?
AS42541 announces 11.0K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Denmark.
Who operates AS42541?
AS42541 is operated by Fiberby ApS. The organization is based in Denmark. You can view all IP ranges and related ASNs on the organization page.
What country is AS42541 registered in?
AS42541 is registered in Denmark. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
