AS57951 YACAST-FRANCE-AS Yacast France SAS

YACAST-FRANCE-AS Yacast France SAS · registered in France

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

Rank in France#403largest network in FR by IPv4 space, of 1,375 · <0.01% of FR

Rank worldwide#21,690of 79,396 networks with IPv4

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

CountryFrance1,474 ASNs registered there

Open AS57951 in ASN lookup Look up an IP in this network (37.188.88.1) All networks in France

IPv4 prefixes

All 1 prefix, in address order.

37.188.88.0/21

IPv6 prefixes

All 1 prefix.

2a00:c340::/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