AS215104
Stichting Spaarne Gasthuis
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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 145.63.4.0/22 | 1.0K |
0.0%
|
Stichting Spaarne Gasthuis | NL | North Holland | Haarlem |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS215104 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 |
|---|---|---|
| 145.63.4.0/22 | 13,158 | 2026-07-31 05:40:50 |
Frequently Asked Questions
What is AS215104?
AS215104 is an Autonomous System Number assigned to Stichting Spaarne Gasthuis. 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 AS215104 announce?
AS215104 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in The Netherlands.
Who operates AS215104?
AS215104 is operated by Stichting Spaarne Gasthuis. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.
What country is AS215104 registered in?
AS215104 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.