AS31124 SEFANET-AS Societe Electrique des Forces de l'Aubonne

SEFANET-AS Societe Electrique des Forces de l'Aubonne · registered in Switzerland

IPv4 addresses5,1202 prefixes · <0.001% of announced IPv4

Rank in Switzerland#140largest network in CH by IPv4 space, of 741 · 0.03% of CH

Rank worldwide#13,659of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySwitzerland783 ASNs registered there

Open AS31124 in ASN lookup Look up an IP in this network (193.164.24.1) All networks in Switzerland

IPv4 prefixes

All 2 prefixes, in address order.

193.164.24.0/22
217.119.144.0/20

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AS8729#142 UBS Group AG4,864

AS206492#143 NEXPHONE Nexphone AG4,624

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