AS57987 — EMS-AS EMS-CHEMIE AG

AS57987 announces 2 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

EMS-AS is operated by EMS-Chemie AG, a Swiss chemical manufacturer.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames EMS-NET-BLOCK-12 and EMSLAN registered to EMS-CHEMIE AG.
• The AS announces 768 IPv4 addresses across 2 prefixes and maintains 3 observed neighbours, a ratio consistent with an internal corporate estate rather than a transit or access provider.
• Traffic from this AS consists of office workers, industrial plant systems, and web/API endpoints for the EMS Group's high-performance polymer and specialty chemical operations.

Notable

• Registrants for both announced prefixes align with the announcer, listing EMS-CHEMIE AG as the Admin/Tech and Abuse-C role holder.
• The address inventory is compact, comprising one /23 and one /24 block, 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

• 193.5.48.0/24
• 194.40.200.0/23

Upstream networks

• AS6730 Sunrise GmbH
• AS3257 GTT Communications Inc.

Adjacent networks

• AS6730 Sunrise GmbH
• AS3257 GTT Communications Inc.

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-CABLECOM, AS-GTTCUST, AS-INTEROUTE, AS8508:AS-SASK-UPC-IN.