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 7 internet exchanges: DE-CIX Madrid: DE-CIX Madrid Peering LAN, NIXVAL-IX: Peering LAN1, ESpanix Madrid Lower LAN, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, AMS-IX, LINX LON1: Main, IXPlay Global Peers
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 5.180.228.0/22 | 1.0K |
45.9%
|
SpainWISP, S.L. | ES | Murcia | Molina de Segura |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS8637 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 |
|---|---|---|
| 5.180.229.0/24 | 10,126 | 2026-07-31 03:27:25 |
| 5.180.230.0/24 | 7,652 | 2026-07-31 03:27:25 |
| 5.180.231.0/24 | 7,476 | 2026-07-31 03:27:25 |
| 5.180.228.0/24 | 7,447 | 2026-07-31 03:27:25 |
Frequently Asked Questions
What is AS8637?
AS8637 is an Autonomous System Number assigned to SpainWISP, S.L.. 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 AS8637 announce?
AS8637 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Spain.
Who operates AS8637?
AS8637 is operated by SpainWISP, S.L.. The organization is based in Spain. You can view all IP ranges and related ASNs on the organization page.
What country is AS8637 registered in?
AS8637 is registered in Spain. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
