AS21434 — clariant Clariant International Ltd.

AS21434 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

CLARIANT is the autonomous system for Clariant International Ltd., a Swiss multinational speciality chemical company.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by netnames CLARIANT-B2B and CLARIANT-PARTNERS registered to Clariant International Ltd.
• The AS announces 512 IPv4 addresses across 2 prefixes in Switzerland, with only 1 observed neighbour, indicating a small, isolated corporate network rather than a transit or access provider.

Notable

• Registrants for both announced prefixes match the AS holder, Clariant International Ltd., confirming direct ownership of the address space.
• Clariant AG was formed in 1995 as a spin-off from Sandoz, establishing its identity as a distinct speciality chemical entity.
• The inventory consists of two /24 blocks (193.110.85.0/24 and 194.50.172.0/24) with no IPv6 prefixes, reflecting a minimal, segmented corporate estate.

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

Announced prefixes

• 193.110.85.0/24
• 194.50.172.0/24

Upstream networks

• AS48424 GLOBITEL Sp. z o.o.

Adjacent networks

• AS48424 GLOBITEL Sp. z o.o.

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-CABLECOM, AS-EQUINIX-FR, AS-GLOBITEL-CUSTOMERS, AS-KAMP, AS8508:AS-SASK-UPC-IN, AS8648:AS-ONE-NETWORK, AS8648:AS-ONEBACKBONE.