AS25375 — LEU-AS

Network type: residential

AS25375 announces 6 IPv4 prefixes covering 14,848 addresses and 2 IPv6 prefixes.

About this network

The AS handle LEU-AS is held by LeuPuls AG.

What it's used for

• The address space carries residential customer traffic, evidenced by reverse DNS entries such as cust.dynamic.leunet.ch and netnames like CH-LEUNET.
• With 14,848 IPv4 addresses announced across 6 prefixes and 43 observed neighbours, the ratio suggests a regional access provider rather than a transit hub.

Notable

• Registrants are consistent with the announcer, with most prefixes registered to LeuPuls AG, though one prefix (185.196.84.0/22) is registered to Leucom Stafag AG.
• The address inventory is subdivided into multiple blocks, including a large /19 and several /21 and /22 prefixes, reflecting a consolidated corporate estate.

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

Announced prefixes

• 37.131.184.0/21
• 109.71.88.0/21
• 185.33.248.0/22
• 185.196.84.0/22
• 193.246.110.0/23
• 212.203.32.0/19
• 2a00:aac0::/29
• 2a0a:69c0::/29

Upstream networks

• AS13030 Init7 (Switzerland) Ltd.
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS6730 Sunrise GmbH
• AS24482 SG.GS
• AS34019 Hivane Association
• AS9002 RETN Limited

Adjacent networks

• AS13030 Init7 (Switzerland) Ltd.
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS6730 Sunrise GmbH
• AS24482 SG.GS
• AS34019 Hivane Association
• AS9002 RETN Limited

Internet exchanges

• SwissIX — Zurich, Switzerland