AS33365 — CINFIN-ASN-01

AS33365 announces 1 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.

About this network

CINFIN-ASN-01 is the autonomous system for Cincinnati Financial Corporation.

What it's used for

• The address space is registered to Cincinnati Financial Corporation with the netname THECI-3-NET-1, indicating an internal corporate network for the insurance company.
• The AS announces a single IPv4 prefix, 204.11.20.0/22, comprising 1024 addresses, and has 3 observed neighbours. This small address inventory relative to the neighbour count suggests a limited internal estate rather than a transit or access network.

Notable

• The RDAP registrant for the announced prefix matches the AS holder, Cincinnati Financial Corporation.
• Cincinnati Financial Corporation is a major US property and casualty insurance provider, operating through subsidiaries like The Cincinnati Insurance Company.
• The inventory consists of one contiguous /22 block, typical of a corporate site or internal infrastructure segment.

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

Announced prefixes

• 204.11.20.0/22

Upstream networks

• AS35280 F5 Networks SARL
• AS55002 F5, Inc.
• AS10796 Charter Communications Inc

Adjacent networks

• AS35280 F5 Networks SARL
• AS55002 F5, Inc.
• AS10796 Charter Communications Inc

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 60% of announcements registered; 11 route objects.
• Listed in as-sets: AS-BTN-CUSTOMERS, AS-C1, AS-CHTR-SYNC, AS-DEFENSE, AS-F5, AS-FUSE, AS-RR-BIZ, AS-TRANSROUTE-SPEC, AS-XO-B, AS1221:AS-CUSTOMERS, AS35280:AS-DEFENSE, AS35280:AS-F5, AS6181:AS-ALL.