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Autonomous System

AS12553

Andreas Grawehr

Announced IPs
256
CIDR prefixes
1
ASN
AS12553

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 100-1000Mbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open

Present at 1 internet exchange: SwissIX: Peering

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS12553 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
193.105.5.0/24 11,089 2026-08-01 23:17:00

Frequently Asked Questions

What is AS12553?

AS12553 is an Autonomous System Number assigned to Andreas Grawehr. 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 AS12553 announce?

AS12553 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Switzerland.

Who operates AS12553?

AS12553 is operated by Andreas Grawehr. The organization is based in Switzerland. You can view all IP ranges and related ASNs on the organization page.

What country is AS12553 registered in?

AS12553 is registered in Switzerland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-01 23:40:30 UTC
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