AS55292 — WELLMARK - WELLMARK BLUE CROSS AND BLUE SHIELD

AS55292 announces 2 IPv4 prefixes covering 2,304 addresses and 0 IPv6 prefixes.

About this network

WELLMARK is the autonomous system for Wellmark Blue Cross and Blue Shield.

What it's used for

• The address space is registered under the netname NETBLK-IABLUESNET for the registrant WELLMARK BLUE CROSS AND BLUE SHIELD.
• The AS announces 2560 IPv4 addresses across 2 prefixes and maintains 2 observed neighbours, indicating a small, self-contained corporate network rather than a transit or access provider.
• Traffic from this AS consists of internal corporate communications, web services, and API endpoints for the health insurance company's operations in Iowa and South Dakota.

Notable

• The RDAP registrants for both announced prefixes match the AS holder, confirming consistent ownership of the address space.
• Wellmark Blue Cross and Blue Shield is a mutual insurance company serving over two million members in Iowa and South Dakota, operating as a single-state member of the Blue Cross Blue Shield Association.
• The inventory consists of two contiguous IPv4 blocks: 198.245.32.0/21 and 198.245.40.0/23, with no IPv6 prefixes announced.

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

Announced prefixes

• 198.245.32.0/21
• 198.245.41.0/24

Upstream networks

• AS11320 LightEdge Solutions
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS11320 LightEdge Solutions
• AS3356 Level 3 Parent, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 11 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 91% of announcements registered; 10 route objects.
• Listed in as-sets: AS-COX-CENTRAL, AS-FRONTIER, AS-HURRICANE, AS11320:AS-CUSTOMERS, AS11320:AS-STAGING-CUSTOMERS.