How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS23283 Ameren Corp. | IPGeolocation.io

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

Search ASN

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Legacy Routes

Ameren Corp. ameren.com

US 0 Routes

AS Data

AS23283

AS23283 – Ameren Corp.

AS Number	23283
AS Name	AMEREN
Organization	Ameren Corp.(ameren-2)
Country	US
Website	ameren.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-02-21

ASN Intelligence API for production workflows

Use ASN data for AS23283 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

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:       23283
ASName:         AMEREN
ASHandle:       AS23283
RegDate:        2002-02-21
Updated:        2013-02-06    
Ref:            https://rdap.arin.net/registry/autnum/23283


OrgName:        Ameren Corp.
OrgId:          AMEREN-2
Address:        1901 Chouteau Ave.
City:           St. Louis
StateProv:      MO
PostalCode:     63103
Country:        US
RegDate:        2002-02-21
Updated:        2013-02-06
Ref:            https://rdap.arin.net/registry/entity/AMEREN-2


OrgTechHandle: AIR5-ARIN
OrgTechName:   Ameren Internet Registry
OrgTechPhone:  +1-314-554-3883 
OrgTechEmail:  arin@ameren.com
OrgTechRef:    https://rdap.arin.net/registry/entity/AIR5-ARIN

OrgAbuseHandle: NOC2020-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-314-206-0662 
OrgAbuseEmail:  noc@ameren.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC2020-ARIN

OrgNOCHandle: NOC2020-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-314-206-0662 
OrgNOCEmail:  noc@ameren.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC2020-ARIN

OrgAbuseHandle: AIR5-ARIN
OrgAbuseName:   Ameren Internet Registry
OrgAbusePhone:  +1-314-554-3883 
OrgAbuseEmail:  arin@ameren.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AIR5-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

Frequently Asked Questions

What is ASN AS23283?

ASN AS23283 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23283?

AS23283 is listed under Ameren Corp..

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.