AS61174 — Glattwerk Glattwerk AG

AS61174 announces 5 IPv4 prefixes covering 13,312 addresses and 1 IPv6 prefixes.

About this network

The AS handle GLATTWERK is held by Glattwerk AG.

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS entries such as dynamic-080-242-203-254.glattnet.ch and dynamic-31-25-125-254.ftth.glattnet.ch.
• The network announces 13,312 IPv4 addresses across 5 prefixes and 1 IPv6 prefix, while maintaining 50 observed neighbours.
• As a regional Swiss ISP, the traffic consists primarily of subscriber eyeballs and home internet connections served via DSL and fiber-to-the-home infrastructure.

Notable

• All registrants for the announced prefixes are consistent with the announcer, listing Glattwerk Contact Role and Glattwerk AG.
• The address inventory is composed of five distinct IPv4 blocks, including /20, /21, and /22 allocations, alongside a single /32 IPv6 prefix.

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

Announced prefixes

• 31.25.120.0/21
• 80.242.192.0/20
• 94.247.216.0/21
• 145.14.208.0/20
• 185.82.204.0/22
• 2a00:a680::/32

Upstream networks

• AS174 Cogent Communications, LLC
• AS8220 COLT Technology Services Group Limited
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS34019 Hivane Association
• AS1836 green.ch AG
• AS48362 Stadtwerke Feldkirch
• AS9002 RETN Limited

Downstream networks

• AS210231 Sysdex AG

Adjacent networks

• AS174 Cogent Communications, LLC
• AS8220 COLT Technology Services Group Limited
• AS6939 Hurricane Electric LLC
• AS210231 Sysdex AG
• AS24482 SG.GS
• AS34019 Hivane Association
• AS1836 green.ch AG
• AS48362 Stadtwerke Feldkirch
• AS9002 RETN Limited

Routing security

• RPKI: 0 valid, 0 invalid and 6 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-GLATTWERK, AS29097:AS-HOSTPOINT-SWISSIX-IPV6-PEERS, AS29097:AS-HOSTPOINT-SWISSIX-PEERS, AS42476:AS-SWISSIX, AS42476:AS-SWISSIX-CONNECTED, AS42476:AS-SWISSIX-V6, AS52873:AS-TRANSIT, AS8220:AS-COLTCH.

Internet exchanges

• SwissIX — Zurich, Switzerland