AS51137 VVS-mbH_AS Stadtwerke Saarbrucken GmbH

VVS-mbH_AS Stadtwerke Saarbrucken GmbH · registered in Germany

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in Germany#817largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#21,599of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryGermany2,599 ASNs registered there

Open AS51137 in ASN lookup Look up an IP in this network (178.250.120.1) All networks in Germany

IPv4 prefixes

All 1 prefix, in address order.

178.250.120.0/21

IPv6 prefixes

All 1 prefix.

2a02:2a28::/32

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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