AS48072 ALSATIS-AS Alsatis SAS

ALSATIS-AS Alsatis SAS · registered in France

IPv4 addresses18,43214 prefixes · <0.001% of announced IPv4

Rank in France#90largest network in FR by IPv4 space, of 1,375 · 0.03% of FR

Rank worldwide#6,421of 79,396 networks with IPv4

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

CountryFrance1,474 ASNs registered there

Open AS48072 in ASN lookup Look up an IP in this network (37.1.240.1) All networks in France

IPv4 prefixes

All 14 prefixes, in address order.

37.1.240.0/21
37.1.248.0/23
37.1.250.0/23
37.1.252.0/23
37.1.254.0/23
46.22.80.0/20
85.209.224.0/22
92.245.128.0/20
92.245.144.0/21
92.245.152.0/24
92.245.153.0/24
92.245.154.0/23
92.245.156.0/22
185.77.180.0/22

IPv6 prefixes

All 1 prefix.

2a00:11e0::/32

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AS203476#93 GANDI-AS-2 GANDI SAS17,408

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