AS57943 — HOLON-AS Holon SAS

AS57943 announces 3 IPv4 prefixes covering 5,120 addresses and 0 IPv6 prefixes.

About this network

The AS handle IZZYCOM-AS is held by Holon SAS.

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS records pointing to rev.izzycom.net (e.g., 255.131.157.37.rev.izzycom.net).
• The network announces 5120 IPv4 addresses across 3 prefixes with only 2 observed neighbours, a ratio characteristic of an access or eyeball network rather than a transit provider.
• Traffic from this AS consists of subscriber internet access for the Izzycom brand, which operates as a regional ISP in France.

Notable

• All registrants for the announced prefixes are listed as Holon SAS, consistent with the AS holder.
• The address inventory is composed of three distinct IPv4 blocks: 37.157.128.0/21, 178.250.104.0/21, and 185.225.184.0/22.

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

Announced prefixes

• 37.157.128.0/21
• 178.250.104.0/21
• 185.225.184.0/22

Upstream networks

• AS30781 Free Pro SAS
• AS31167 AXIONE S.A.S.

Adjacent networks

• AS30781 Free Pro SAS
• AS31167 AXIONE S.A.S.

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-AXIONE-CUSTOMERS, AS-BREIZHIX-RS-MEMBERS, AS30781:AS-JAGUAR-CUST-FR.

Internet exchanges

• BreizhIX — Rennes, France