ASN AS15238 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15238?

AS15238 is listed under Gates Foundation.

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.

AS15238 Gates Foundation | IPGeolocation.io

ASN Lookup Tool

Gates Foundation gatesfoundation.org

US 4 Routes

AS Data

AS15238

AS15238 – Gates Foundation

AS Number	15238
AS Name	GF-AS15238
Organization	Gates Foundation (bmgf-1)
Country	US
Website	gatesfoundation.org
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	FOUNDATION
Registry	ARIN
Date Allocated	2024-09-27

ASN Intelligence API for production workflows

Use ASN data for AS15238 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.17.221.0/24	AS15238	Gates Foundation	Bill & Melinda Gates Foundation	256
65.117.201.0/24	AS15238	Gates Foundation	Gates Foundation	256
206.81.217.0/24	AS15238	Gates Foundation	Gates Foundation	256
66.17.185.0/24	AS15238	Gates Foundation	Bill & Melinda Gates Foundation	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:       15238
ASName:         GF-AS15238
ASHandle:       AS15238
RegDate:        2024-09-27
Updated:        2025-02-11
Ref:            https://rdap.arin.net/registry/autnum/15238


OrgName:        Gates Foundation
OrgId:          BMGF-1
Address:        500 5th Ave North
City:           Seattle
StateProv:      WA
PostalCode:     98109
Country:        US
RegDate:        2000-04-06
Updated:        2025-05-07
Comment:        http://www.gatesfoundation.org
Comment:        NOC hours: 8:00 AM to 5:00 PM M-F Pacific Timezone
Ref:            https://rdap.arin.net/registry/entity/BMGF-1


OrgAbuseHandle: NETWO8922-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-206-709-3771 
OrgAbuseEmail:  chris.johnson@gatesfoundation.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO8922-ARIN

OrgTechHandle: NETWO8922-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-206-709-3771 
OrgTechEmail:  chris.johnson@gatesfoundation.org
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO8922-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" : "15238",
    "as_handle" : "AS15238",
    "as_name" : "GF-AS15238",
    "tech_contacts" : [ "NETWO8922-ARIN" ],
    "abuse_contacts" : [ "NETWO8922-ARIN" ],
    "date_created" : "2024-09-27",
    "date_updated" : "2025-02-11",
    "source" : "https://rdap.arin.net/registry/autnum/15238"
  } ],
  "organization" : {
    "handle" : "BMGF-1",
    "name" : "Gates Foundation",
    "address" : [ "500 5th Ave North", "Seattle", "WA", "98109", "US" ],
    "street" : "5th Ave North",
    "city" : "Seattle",
    "state" : "WA",
    "zip_code" : "98109",
    "country" : [ "US" ],
    "date_created" : "2000-04-06",
    "date_updated" : "2025-05-07",
    "source" : "https://rdap.arin.net/registry/entity/BMGF-1",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO8922-ARIN",
    "name" : "Network Engineering",
    "email" : [ "chris.johnson@gatesfoundation.org" ],
    "phone" : [ "+1-206-709-3771" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO8922-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO8922-ARIN",
    "name" : "Network Engineering",
    "email" : [ "chris.johnson@gatesfoundation.org" ],
    "phone" : [ "+1-206-709-3771" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO8922-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS58511	Anycast Global Backbone	AU
AS24482	SG.GS	SG
AS3786	LG DACOM Corporation	KR
AS393577	Tritan Development	US
AS34927	iFog GmbH	CH
AS401703	Ordinal Advisors LLC	US
AS6939	Hurricane Electric LLC	US
AS286	GTT Communications Inc.	US
AS20473	The Constant Company, LLC	US
AS64289	Macarne.com	US

Upstreams

AS Number	Description	Country
AS7575	Australian Academic and Research Network	AU
AS394256	Tech Futures Interactive Inc.	CA
AS9002	RETN Limited	GB
AS6939	Hurricane Electric LLC	US
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS137409	GSL Networks Pty LTD	AU