AS2047 — ASN-ROCHE-BASLE Global corporate IP network

AS2047 announces 24 IPv4 prefixes covering 372,992 addresses and 8 IPv6 prefixes.

About this network

ASN-ROCHE-BASLE is the global corporate network of F. Hoffmann-La Roche, the pharmaceutical and diagnostics company headquartered in Basel, Switzerland.

What it's used for

• Corporate and research IP networking for Roche worldwide.

Notable

• A large enterprise network, not a commercial ISP. The low AS number reflects an early European internet allocation to a major corporation.

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

Announced prefixes

• 72.34.128.0/19
• 128.137.0.0/16
• 141.167.0.0/16
• 145.245.0.0/16
• 151.120.0.0/16
• 162.132.0.0/16
• 175.28.64.0/18
• 192.12.78.0/24
• 192.104.72.0/24
• 193.43.152.0/22
• 193.43.156.0/23
• 193.58.155.0/24
• 193.228.103.0/24
• 194.26.26.0/24
• 194.120.80.0/20
• 194.120.96.0/21
• 194.147.45.0/24
• 196.3.32.0/20
• 196.3.48.0/21
• 196.3.56.0/24
• 198.21.16.0/20
• 203.135.189.0/24
• 204.17.168.0/24
• 206.53.226.0/23
• 2a04:c440::/34
• 2a04:c440:2b00::/40
• 2a04:c440:2c00::/38
• 2a04:c440:3000::/36
• 2a04:c440:4000::/34
• 2a04:c440:8000::/33
• 2a04:c442:6400::/40
• 2a04:c444::/32

Upstream networks

• AS13335 Cloudflare, Inc.
• AS8220 COLT Technology Services Group Limited
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS174 Cogent Communications, LLC
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS13335 Cloudflare, Inc.
• AS8220 COLT Technology Services Group Limited
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS174 Cogent Communications, LLC
• AS3356 Level 3 Parent, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 29 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 61 route objects.
• Listed in as-sets: AS-28513, AS-CMCNETWORKS, AS-EC-SP, AS-GBLXEU, AS-IIJ, AS-IIJ6, AS-INFOSPHERE, AS-INFOSPHERE-V6, AS-IS-INT, AS-ISZA, AS-ITXBR1, AS-KDD, AS-KDDCUSTOMER2, AS-KDDI6, AS-KVH, AS-NWN-TRANSIT, AS-TELSTRA-INTL-CUSTOMERS, AS-TELSTRA-INTL-CUSTOMERS-4637, AS13335:AS-CUSTOMERS, AS2497:AS-IIJ, AS2497:AS-IIJ6, AS3491:AS-CUSTOMERS-AP, AS37271:AS-TEST-CF, AS3741:AS-IS-INT, AS3741:AS-ISZA.