AS213313 CTS-AS Cyber Test Systems SAS

CTS-AS Cyber Test Systems SAS · registered in France

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in France#602largest network in FR by IPv4 space, of 1,375 · <0.01% of FR

Rank worldwide#30,169of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryFrance1,474 ASNs registered there

Open AS213313 in ASN lookup Look up an IP in this network (152.89.148.1) All networks in France

IPv4 prefixes

All 1 prefix, in address order.

152.89.148.0/22

IPv6 prefixes

All 1 prefix.

2a09:34c0::/29

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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