AS54174 — BCBST - BlueCross BlueShield of Tennessee

AS54174 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

BCBST is the autonomous system for BlueCross BlueShield of Tennessee.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by netnames BLUECROSSBLUESHIELD, LVLT-BBT-29-67-98-187, and SPRINT-D01525 associated with registrants BLUE CROSS BLUE SHIELD and BlueCross BlueShield of Tennessee.
• The AS announces 768 IPv4 addresses across 3 prefixes and maintains 2 observed neighbours, a ratio indicating a small, self-contained enterprise network rather than a transit or access provider.
• Traffic from this AS consists of office workers and internal systems for the largest health benefit plan company in Tennessee, an independent not-for-profit organization.

Notable

• Registrants align with the announcer, listing BLUE CROSS BLUE SHIELD and BlueCross BlueShield of Tennessee across the announced prefixes.
• The address inventory is small and finely subdivided into three /24 blocks, consistent with site-by-site segmentation for a single corporate entity.

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

Announced prefixes

• 45.43.101.0/24
• 67.98.187.0/24
• 208.21.37.0/24

Upstream networks

• AS32787 Akamai Technologies, Inc.
• AS26827 EPB Fiber Optics

Adjacent networks

• AS32787 Akamai Technologies, Inc.
• AS26827 EPB Fiber Optics

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-PROLE, AS-TELSTRA-INTL-CUSTOMERS.