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AS63261 Graham Holdings Company

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

Graham Holdings Company ghco.com

US 1 Routes

AS Data

AS63261

AS63261 – Graham Holdings Company

AS Number	63261
AS Name	GHCO-DCA
Organization	Graham Holdings Company(gh-82)
Country	US
Website	ghco.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2014-10-27

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Use ASN data for AS63261 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.100.48.0/24	AS63261	Graham Holdings Company	Graham Holdings Company	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:       63261
ASName:         GHCO-DCA
ASHandle:       AS63261
RegDate:        2014-10-27
Updated:        2014-10-27    
Ref:            https://rdap.arin.net/registry/autnum/63261


OrgName:        Graham Holdings Company
OrgId:          GH-82
Address:        1300 North 17th Street
City:           Arlington
StateProv:      VA
PostalCode:     22209
Country:        US
RegDate:        2014-09-22
Updated:        2014-09-22
Ref:            https://rdap.arin.net/registry/entity/GH-82


OrgAbuseHandle: CIA30-ARIN
OrgAbuseName:   Corporate IT Administrators
OrgAbusePhone:  +1-703-345-6400 
OrgAbuseEmail:  CorpITAdmin@ghco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CIA30-ARIN

OrgTechHandle: CIA30-ARIN
OrgTechName:   Corporate IT Administrators
OrgTechPhone:  +1-703-345-6400 
OrgTechEmail:  CorpITAdmin@ghco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CIA30-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
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS63261?

ASN AS63261 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63261?

AS63261 is listed under Graham Holdings Company.

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.