AS48072 — ALSATIS-AS Alsatis SAS

Network type: residential

AS48072 announces 5 IPv4 prefixes covering 18,432 addresses and 1 IPv6 prefixes.

About this network

ALSATIS-AS is operated by Alsatis SAS.

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS entries such as rev-0-84-20.isp2.alsatis.net and rev-0-132-19.isp1.alsatis.net.
• The AS announces 18,432 IPv4 addresses across 14 prefixes and 1 IPv6 prefix, while maintaining only 8 observed neighbours, a ratio indicative of an access network rather than a transit provider.
• Alsatis provides broadband services to individuals in underserved areas and low-cost broadband for commercial clients, meaning the traffic consists primarily of subscriber eyeballs and small business connections.

Notable

• Registrants for the majority of prefixes are listed as ALSATIS LIR or Alsatis SAS, aligning with the AS holder, though the largest prefix 46.22.80.0/20 is registered to NordNet SA.
• The inventory includes a mix of netnames such as FR-ALSATIS-SERVICES-20080215 and ALSATIS-NET, reflecting a segmented address estate managed under the Alsatis brand.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 37.1.240.0/20
• 46.22.80.0/20
• 85.209.224.0/22
• 92.245.128.0/19
• 185.77.180.0/22
• 2a00:11e0::/32

Upstream networks

• AS29075 IELO-LIAZO SERVICES SAS
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS34019 Hivane Association

Adjacent networks

• AS29075 IELO-LIAZO SERVICES SAS
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS34019 Hivane Association

Routing security

• RPKI: 8 valid, 0 invalid and 27 not-found announcements; 9 ROAs.
• ASPA: none published.
• IRR: 77% of announcements registered; 59 route objects.
• Listed in as-sets: AS-ALSATIS, AS-HURRICANEV6, AS-TOUIX, AS29075:AS-CUSTOMERS, AS39801:AS-MULTIPASS-CUST-LIST, AS43100:AS-MEMBERS, AS43100:AS-MEMBERS:AS-LYN-RS, AS47841:AS-OPEN-PEERING, AS8218:AS-CUSTOMERS, AS8218:AS-FR-CUSTOMERS.

Internet exchanges

• France-IX Lyon — Lyon, France