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 8 internet exchanges: NL-ix: Main, LSIX: Main, Speed-IX: SPEED-IX, Frys-IX, ERA-IX Amsterdam, GNM-IX, INTERIX, FogIXP Amsterdam
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 5.39.184.0/21 | 2.0K |
96.7%
|
ColoCenter b.v. | NL | South Holland | Zoetermeer |
| 45.11.28.0/22 | 1.0K |
0.7%
|
ColoCenter b.v. | NL | — | — |
| 185.79.152.0/22 | 1.0K |
99.9%
|
ColoCenter b.v. | NL | South Holland | The Hague |
| 185.102.68.0/22 | 1.0K |
0.0%
|
ColoCenter b.v. | NL | — | — |
| 185.140.184.0/22 | 1.0K |
99.8%
|
ColoCenter b.v. | NL | — | — |
| 213.156.28.0/22 | 1.0K |
0.4%
|
ColoCenter b.v. | NL | — | — |
| 91.205.193.0/24 | 256 |
3.1%
|
ColoCenter b.v. | NL | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS58291 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 |
|---|---|---|
| 45.11.28.0/22 | 18,548 | 2026-07-17 15:00:56 |
| 91.205.193.0/24 | 17,503 | 2026-07-23 20:16:36 |
| 213.156.28.0/22 | 16,681 | 2026-07-23 20:16:36 |
| 185.102.68.0/22 | 16,534 | 2026-07-23 20:16:36 |
| 185.79.152.0/22 | 16,303 | 2026-07-23 20:16:36 |
| 5.39.184.0/21 | 15,743 | 2026-07-23 20:16:36 |
| 185.140.184.0/22 | 15,658 | 2026-07-23 20:16:36 |
Frequently Asked Questions
What is AS58291?
AS58291 is an Autonomous System Number assigned to ColoCenter b.v.. 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 AS58291 announce?
AS58291 announces 7.4K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in The Netherlands.
Who operates AS58291?
AS58291 is operated by ColoCenter b.v.. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.
What country is AS58291 registered in?
AS58291 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
