AS42369 CORESYSTEM CORESYSTEM SASU

CORESYSTEM CORESYSTEM SASU · registered in France

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in France#879largest network in FR by IPv4 space, of 1,375 · <0.01% of FR

Rank worldwide#47,361of 79,396 networks with IPv4

IPv665,535 x /4816 prefixes

CountryFrance1,474 ASNs registered there

Open AS42369 in ASN lookup Look up an IP in this network (185.235.147.1) All networks in France

IPv4 prefixes

All 2 prefixes, in address order.

185.235.147.0/24
188.240.51.0/24

IPv6 prefixes

All 16 prefixes.

2a10:8b40::/36
2a10:8b40:1000::/48
2a10:8b40:1002::/47
2a10:8b40:1004::/46
2a10:8b40:1008::/45
2a10:8b40:1010::/44
2a10:8b40:1020::/43
2a10:8b40:1040::/42
2a10:8b40:1080::/41
2a10:8b40:1100::/40
2a10:8b40:1200::/39
2a10:8b40:1400::/38
2a10:8b40:1800::/37
2a10:8b40:2000::/35
2a10:8b40:4000::/34
2a10:8b40:8000::/33

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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