AS198301 — WKD-AS

AS198301 announces 4 IPv4 prefixes covering 2,304 addresses and 0 IPv6 prefixes.

About this network

WKD-AS is held by Workday Limited.

What it's used for

• The address space carries corporate infrastructure for Workday, a cloud-based provider of financial management and human capital management software.
• The inventory consists of 2304 IPv4 addresses across 4 prefixes, with 5 observed routing neighbours. This ratio of a small, finely subdivided address estate against a low neighbour count indicates an internal corporate network rather than a transit or access provider.
• Traffic from this AS represents Workday's own cloud platform endpoints, including web services, API interfaces, and internal office connectivity for its enterprise software operations.

Notable

• All registrants for the announced prefixes are Workday Limited, with netnames such as IE-WORKDAY-20111207 and WD-AMZ-P3, confirming the space is owned and operated by the company.
• The address inventory is concentrated in Ireland, with prefixes including 37.0.0.0/22 and 62.233.20.0/23, reflecting the company's Irish legal entity and data center presence.

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

Announced prefixes

• 37.0.0.0/22
• 37.0.4.0/23
• 37.0.6.0/24
• 62.233.20.0/23

Upstream networks

• AS13335 Cloudflare, Inc.
• AS8220 COLT Technology Services Group Limited
• AS13237 euNetworks GmbH
• AS3257 GTT Communications Inc.
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS13335 Cloudflare, Inc.
• AS8220 COLT Technology Services Group Limited
• AS13237 euNetworks GmbH
• AS3257 GTT Communications Inc.
• AS3356 Level 3 Parent, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 9 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 9 route objects.
• Listed in as-sets: AS-EUNIE, AS-EUNNL, AS-GTTCUST, AS-KDDCUSTOMER2, AS-TELSTRA-INTL-CUSTOMERS, AS-WORKDAY-2HIBERNIA, AS-WORKDAY-L3PEER, AS1299:AS-TWELVE99-EU-V4, AS1299:AS-TWELVE99-EU-V6, AS13335:AS-CUSTOMERS, AS198949:AS-SD, AS8218:AS-UK-CUSTOMERS, AS8220:AS-COLTIE, AS8220:AS-COLTNL.