AS36548 — ASCOJ

AS36548 announces 2 IPv4 prefixes covering 67,584 addresses and 0 IPv6 prefixes.

About this network

ASCOJ is operated by the City of Jacksonville, Florida.

What it's used for

• The address space carries municipal infrastructure, identified by the consistent netname COJAX across all sampled prefixes.
• The AS announces 67584 IPv4 addresses across 55 prefixes while maintaining only 2 observed neighbours, a ratio indicative of a self-contained internal corporate or government estate rather than a transit or access provider.

Notable

• All registrants in the evidence pack align with the announcer, consistently listing the City of Jacksonville, Florida.
• The inventory is dominated by the 161.243.0.0/16 range, subdivided into numerous /19, /20, /21, /22, and /23 blocks, reflecting a finely segmented internal network design.

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

Announced prefixes

• 161.243.0.0/16
• 205.173.32.0/21

Upstream networks

• AS11096 FloridaNet
• AS7018 AT&T Enterprises, LLC

Adjacent networks

• AS11096 FloridaNet
• AS7018 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 30 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 43% of announcements registered; 14 route objects.
• Listed in as-sets: AS-FLRNET-AGGREGATE, AS-FLRNET-CONNECTORS, AS-FLRNET-CONNECTORS, AS-HURRICANE, AS-TRANSROUTE-SPEC, AS-ZENEDGE, AS11096:AS-FLRNET-MEMBERS, AS198949:AS-SD.