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 2 internet exchanges: FIXO, SIX Stavanger
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 146.192.128.0/17 | 32.8K |
100.0%
|
Tietoevry Norway AS | NO | — | — |
| 62.148.32.0/19 | 8.2K |
14.5%
|
Tietoevry Norway AS | NO | Nordland | Svolvær |
| 195.254.192.0/19 | 8.2K |
0.0%
|
Tietoevry Norway AS | NO | Oslo | Oslo |
| 217.18.192.0/20 | 4.1K |
5.9%
|
Tietoevry Norway AS | NO | — | — |
| 77.94.232.0/21 | 2.0K |
97.0%
|
Tietoevry Norway AS | NO | — | — |
| 185.226.100.0/22 | 1.0K |
100.0%
|
Tietoevry Norway AS | NO | — | — |
| 193.36.191.0/24 | 256 |
98.8%
|
Tietoevry Norway AS | NO | — | — |
| 195.245.202.0/24 | 256 |
99.2%
|
Tietoevry Norway AS | NO | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS13243 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 |
|---|---|---|
| 185.226.100.0/22 | 8,424 | 2026-07-26 21:44:49 |
| 193.36.191.0/24 | 8,384 | 2026-07-26 21:45:23 |
| 77.94.232.0/21 | 7,971 | 2026-07-26 21:45:16 |
| 62.148.32.0/19 | 7,939 | 2026-07-26 21:45:28 |
| 217.18.192.0/20 | 7,931 | 2026-07-26 21:45:16 |
| 146.192.128.0/17 | 7,893 | 2026-07-26 21:45:16 |
| 195.245.202.0/24 | 7,875 | 2026-07-26 21:45:16 |
| 195.254.192.0/19 | 7,864 | 2026-07-26 21:45:16 |
Frequently Asked Questions
What is AS13243?
AS13243 is an Autonomous System Number assigned to Tieto Norway AS. 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 AS13243 announce?
AS13243 announces 56.8K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Norway.
Who operates AS13243?
AS13243 is operated by Tieto Norway AS. The organization is based in Norway. You can view all IP ranges and related ASNs on the organization page.
What country is AS13243 registered in?
AS13243 is registered in Norway. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
