AS20145 — FCS - FLORIDA CANCER SPECIALISTS, P.L.

AS20145 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

The AS handle FCS is held by Florida Cancer Specialists, P.L.

What it's used for

• The address space carries corporate infrastructure for a medical oncology and hematology practice, as indicated by registrant names FLORIDA CANCER SPECIALISTS and netnames QWEST-TPF-FCS1 and FCSP-2.
• The AS announces 512 IPv4 addresses across 2 prefixes with 2 observed neighbours, a ratio consistent with a small internal corporate estate rather than a transit or access network.

Notable

• Registrants align with the announcer, with both prefixes registered to FLORIDA CANCER SPECIALISTS or FLORIDA CANCER SPECIALISTS, P.L.
• The inventory consists of two /24 blocks, one of which retains reverse DNS pointing to dia.static.qwest.net, reflecting the underlying Qwest infrastructure.

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

Announced prefixes

• 63.156.168.0/24
• 66.119.113.0/24

Upstream networks

• AS33363 Charter Communications, Inc
• AS209 CenturyLink Communications, LLC

Adjacent networks

• AS33363 Charter Communications, Inc
• AS209 CenturyLink Communications, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-HURRICANE, AS-RR-SYNC.