AS19074 — ASN-01-FBCL

AS19074 announces 1 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

The AS handle ASN-01-FBCL is held by Fort Bend County Libraries.

What it's used for

• The address space carries the library system's own connectivity, indicated by the netname FBC-LIBRARIES and the registrant Fort Bend County Libraries.
• The network announces a single IPv4 prefix, 66.163.80.0/20, totaling 4096 addresses, with no IPv6 prefixes in inventory.
• With only 1 observed neighbour, the low address-to-neighbour ratio suggests a small, self-contained site network rather than a transit or large access provider.

Notable

• The RDAP registrant Fort Bend County Libraries matches the registry holder and the netname FBC-LIBRARIES, confirming consistent ownership.
• The address inventory consists of a single /20 block, which is a standard size for a small organizational allocation.

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

Announced prefixes

• 66.163.80.0/20

Upstream networks

• AS394437 PS Lightwave

Adjacent networks

• AS394437 PS Lightwave

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-PSLIGHTWAVE, AS394437:AS-PSLIGHTWAVE-L3, AS394437:AS-TESTING.