AS25021 CIEF-AS Etat de Fribourg

CIEF-AS Etat de Fribourg · registered in Switzerland

IPv4 addresses131,0722 prefixes · 0.004% of announced IPv4

Rank in Switzerland#16largest network in CH by IPv4 space, of 741 · 0.89% of CH

Rank worldwide#1,608of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySwitzerland783 ASNs registered there

Open AS25021 in ASN lookup Look up an IP in this network (155.228.0.1) All networks in Switzerland

IPv4 prefixes

All 2 prefixes, in address order.

155.228.0.0/16
156.25.0.0/16

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AS29222#19 Infomaniak-AS Infomaniak Network SA110,592

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