AS31131 — GRUNDFOS-AS Poul Due Jensens Vej 7

AS31131 announces 5 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

GRUNDFOS-AS is the autonomous system for Grundfos Holding A/S, the world's largest pump manufacturer.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames DK-GRUNDFOS and registrants listed as Grundfos Holding A/S.
• The AS announces 1792 IPv4 addresses across 5 prefixes with only 2 observed neighbours, indicating a small, self-contained internal corporate estate rather than a transit or access network.

Notable

• Registrants for four of the five prefixes are Grundfos Holding A/S, while the largest prefix 193.3.8.0/23 is registered under RIPE-NCC-MANAGED-ADDRESS-BLOCK with an unknown registrant.
• The address inventory consists of five contiguous IPv4 prefixes within the 193.3.0.0/16 range, with no IPv6 prefixes in inventory.

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

Announced prefixes

• 193.3.1.0/24
• 193.3.2.0/23
• 193.3.6.0/24
• 193.3.8.0/23
• 193.3.10.0/24

Upstream networks

• AS31027 GlobalConnect A/S
• AS3292 TDC Holding A/S

Adjacent networks

• AS31027 GlobalConnect A/S
• AS3292 TDC Holding A/S

Routing security

• RPKI: 0 valid, 0 invalid and 7 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 11 route objects.
• Listed in as-sets: AS-GCNETDKV6, AS-TDCNETDK, AS31027:AS-GCNET-LEGACY, AS31027:AS-GCNETDK, AS31027:AS-NIANET.