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Autonomous System

AS33365

Cincinnati Financial Corporation

Announced IPs
1,024
CIDR prefixes
1
ASN
AS33365

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
204.11.20.0/22 1.0K
0.0%
Cincinnati Financial Corporation US Ohio Hamilton

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS33365 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
204.11.20.0/24 334,484 2026-07-27 18:08:34
204.11.21.0/24 323,872 2026-07-27 18:08:34
204.11.23.0/24 321,979 2026-07-27 18:09:06
204.11.20.0/23 9,003 2026-07-27 18:08:58
204.11.22.0/23 6,478 2026-07-27 18:08:58

Frequently Asked Questions

What is AS33365?

AS33365 is an Autonomous System Number assigned to Cincinnati Financial Corporation. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS33365 announce?

AS33365 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS33365?

AS33365 is operated by Cincinnati Financial Corporation. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS33365 registered in?

AS33365 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-27 18:10:33 UTC
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