AS212424 VIAREZO Association des Reseaux de CentraleSupelec

VIAREZO Association des Reseaux de CentraleSupelec · registered in France

IPv4 addresses8,4482 prefixes · <0.001% of announced IPv4

Rank in France#155largest network in FR by IPv4 space, of 1,375 · 0.01% of FR

Rank worldwide#10,052of 79,396 networks with IPv4

IPv616 x /481 prefixes

CountryFrance1,474 ASNs registered there

Open AS212424 in ASN lookup Look up an IP in this network (138.195.128.1) All networks in France

IPv4 prefixes

All 2 prefixes, in address order.

138.195.128.0/19
192.159.121.0/24

IPv6 prefixes

All 1 prefix.

2a0c:b641:2f0::/44

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AS198330#154 Xefi XEFI LYON SAS8,448

AS9089#156 ALTO LYNX ALTO SAS8,192

AS39605#157 IGUANESOLUTIONS Iguane Solutions SAS8,192

AS12409#158 HRNET TRUSTTEAM SAS8,192

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