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AS33365 Cincinnati Financial Corporation

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Cincinnati Financial Corporation cinfin.com

US 5 Routes

AS Data

AS33365

AS33365 – Cincinnati Financial Corporation

AS Number	33365
AS Name	CINFIN-ASN-01
Organization	Cincinnati Financial Corporation (cfc-135)
Country	US
Website	cinfin.com
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2004-12-03

ASN Intelligence API for production workflows

Use ASN data for AS33365 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.11.20.0/23	AS33365	Cincinnati Financial Corporation	Cincinnati Financial Corporation	512
204.11.20.0/24	AS33365	Cincinnati Financial Corporation	Cincinnati Financial Corporation	256
204.11.22.0/23	AS33365	Cincinnati Financial Corporation	Cincinnati Financial Corporation	512
204.11.21.0/24	AS33365	Cincinnati Financial Corporation	Cincinnati Financial Corporation	256
204.11.23.0/24	AS33365	Cincinnati Financial Corporation	Cincinnati Financial Corporation	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       33365
ASName:         CINFIN-ASN-01
ASHandle:       AS33365
RegDate:        2004-12-03
Updated:        2015-12-28
Ref:            https://rdap.arin.net/registry/autnum/33365


OrgName:        Cincinnati Financial Corporation
OrgId:          CFC-135
Address:        6200 S. Gilmore Road
City:           Cincinnati
StateProv:      OH
PostalCode:     45014-5141
Country:        US
RegDate:        2015-12-07
Updated:        2015-12-07
Ref:            https://rdap.arin.net/registry/entity/CFC-135


OrgAbuseHandle: NOCIN-ARIN
OrgAbuseName:   NOC-INFRA
OrgAbusePhone:  +1-513-603-5454 
OrgAbuseEmail:  noc-infra@cinfin.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOCIN-ARIN

OrgTechHandle: NOCIN-ARIN
OrgTechName:   NOC-INFRA
OrgTechPhone:  +1-513-603-5454 
OrgTechEmail:  noc-infra@cinfin.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOCIN-ARIN

OrgNOCHandle: NOCIN-ARIN
OrgNOCName:   NOC-INFRA
OrgNOCPhone:  +1-513-603-5454 
OrgNOCEmail:  noc-infra@cinfin.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOCIN-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "33365",
    "as_handle" : "AS33365",
    "as_name" : "CINFIN-ASN-01",
    "tech_contacts" : [ "NOCIN-ARIN" ],
    "abuse_contacts" : [ "NOCIN-ARIN" ],
    "date_created" : "2004-12-03",
    "date_updated" : "2015-12-28",
    "source" : "https://rdap.arin.net/registry/autnum/33365"
  } ],
  "organization" : {
    "handle" : "CFC-135",
    "name" : "Cincinnati Financial Corporation",
    "address" : [ "6200 S. Gilmore Road", "Cincinnati", "OH", "45014-5141", "US" ],
    "street" : "S. Gilmore Road",
    "city" : "Cincinnati",
    "state" : "OH",
    "zip_code" : "45014-5141",
    "country" : [ "US" ],
    "date_created" : "2015-12-07",
    "date_updated" : "2015-12-07",
    "source" : "https://rdap.arin.net/registry/entity/CFC-135",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NOCIN-ARIN",
    "name" : "NOC-INFRA",
    "email" : [ "noc-infra@cinfin.com" ],
    "phone" : [ "+1-513-603-5454" ],
    "source" : "https://rdap.arin.net/registry/entity/NOCIN-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NOCIN-ARIN",
    "name" : "NOC-INFRA",
    "email" : [ "noc-infra@cinfin.com" ],
    "phone" : [ "+1-513-603-5454" ],
    "source" : "https://rdap.arin.net/registry/entity/NOCIN-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS35280	F5 Networks SARL	FR
AS55002	F5, Inc.	US
AS10796	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS35280	F5 Networks SARL	FR
AS55002	F5, Inc.	US
AS10796	Charter Communications Inc	US

Frequently Asked Questions

What is ASN AS33365?

ASN AS33365 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33365?

AS33365 is listed under Cincinnati Financial Corporation.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.