AS25031 — NOVARTIS-

AS25031 announces 6 IPv4 prefixes covering 3,328 addresses and 0 IPv6 prefixes.

About this network

The AS handle NOVARTIS- is held by Novartis AG.

What it's used for

• The address space carries internal corporate infrastructure for a multinational pharmaceutical corporation, as indicated by registrant netnames CH-NOVARTIS-19931203 and CH-NOVARTIS-20150306.
• The AS announces 3328 IPv4 addresses across 6 prefixes with only 2 observed neighbours, a ratio that implies an internal corporate estate with site-by-site segmentation rather than an access or transit network.

Notable

• All registrants for the announced prefixes are listed as Novartis AG, agreeing with the announcer identity.
• The address inventory consists of six IPv4 prefixes in the 160.61.0.0/16 and 160.62.0.0/16 ranges, with no IPv6 prefixes in inventory.
• The AS was first seen in RIS on 2002-09-12T16:00:00.

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

Announced prefixes

• 160.61.168.0/22
• 160.61.208.0/24
• 160.61.211.0/24
• 160.62.1.0/24
• 160.62.2.0/23
• 160.62.4.0/22

Upstream networks

• AS8220 COLT Technology Services Group Limited
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS8220 COLT Technology Services Group Limited
• AS3356 Level 3 Parent, LLC

Routing security

• RPKI: 11 valid, 0 invalid and 0 not-found announcements; 14 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 16 route objects.
• Listed in as-sets: AS-BT-CH, AS-UDOS, AS3303:AS-SWCMLOCAL, AS8220:AS-COLTCH.