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AS19478 ICMA RETIREMENT 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

ICMA RETIREMENT CORP icmarc.org

US 1 Routes

AS Data

AS19478

AS19478 – ICMA RETIREMENT CORP

AS Number	19478
AS Name	ICMARC
Organization	ICMA RETIREMENT CORP(irc-21)
Country	US
Website	icmarc.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-01-11

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
64.124.230.0/24	AS19478	ICMA RETIREMENT CORP	ICMA RC	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:       19478
ASName:         ICMARC
ASHandle:       AS19478
RegDate:        2001-01-11
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/19478


OrgName:        ICMA RETIREMENT CORP
OrgId:          IRC-21
Address:        777 N CAPITAL ST NE
City:           WASHINGTON
StateProv:      DC
PostalCode:     20002
Country:        US
RegDate:        2001-01-11
Updated:        2012-10-10
Ref:            https://rdap.arin.net/registry/entity/IRC-21


OrgAbuseHandle: MB1363-ARIN
OrgAbuseName:   Bradley, Mike 
OrgAbusePhone:  +1-202-962-8052 
OrgAbuseEmail:  mbradley@icmarc.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MB1363-ARIN

OrgTechHandle: MB1363-ARIN
OrgTechName:   Bradley, Mike 
OrgTechPhone:  +1-202-962-8052 
OrgTechEmail:  mbradley@icmarc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/MB1363-ARIN

RTechHandle: MB1363-ARIN
RTechName:   Bradley, Mike 
RTechPhone:  +1-202-962-8052 
RTechEmail:  mbradley@icmarc.org
RTechRef:    https://rdap.arin.net/registry/entity/MB1363-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
AS1239	Cogent Communications, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS19478?

ASN AS19478 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19478?

AS19478 is listed under ICMA RETIREMENT 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.