AS12553 GRAWEHR Andreas Grawehr

GRAWEHR Andreas Grawehr · registered in Switzerland

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Switzerland#603largest network in CH by IPv4 space, of 741 · <0.01% of CH

Rank worldwide#60,861of 79,396 networks with IPv4

IPv62 x /481 prefixes

CountrySwitzerland783 ASNs registered there

Open AS12553 in ASN lookup Look up an IP in this network (193.105.5.1) All networks in Switzerland

IPv4 prefixes

All 1 prefix, in address order.

193.105.5.0/24

IPv6 prefixes

All 1 prefix.

2001:67c:1028::/47

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources