ASN AS17215 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS17215?

AS17215 is listed under Ameren Corp..

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

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.

AS17215 Ameren Corp. | IPGeolocation.io

ASN Lookup Tool

Ameren Corp. ameren.com

US 3 Routes

AS Data

AS17215

AS17215 – Ameren Corp.

AS Number	17215
AS Name	AMEREN-AS3
Organization	Ameren Corp.(ameren-2)
Country	US
Website	ameren.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2006-11-14

ASN Intelligence API for production workflows

Use ASN data for AS17215 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

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.51.215.0/24	AS17215	Ameren Corp.	Ameren Corp.	256
199.38.133.0/24	AS17215	Ameren Corp.	Ameren Corp.	256
204.136.7.0/24	AS17215	Ameren Corp.	Ameren Corp.	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:       17215
ASName:         AMEREN-AS3
ASHandle:       AS17215
RegDate:        2006-11-14
Updated:        2012-03-20    
Ref:            https://rdap.arin.net/registry/autnum/17215


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


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

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

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

RNOCHandle: NOC2020-ARIN
RNOCName:   Network Operations Center
RNOCPhone:  +1-314-206-0662 
RNOCEmail:  noc@ameren.com
RNOCRef:    https://rdap.arin.net/registry/entity/NOC2020-ARIN

RTechHandle: AIR5-ARIN
RTechName:   Ameren Internet Registry
RTechPhone:  +1-314-554-3883 
RTechEmail:  arin@ameren.com
RTechRef:    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

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS22677	Charter Communications LLC	US
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS22677	Charter Communications LLC	US
AS174	Cogent Communications, LLC	US