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


OrgTechHandle: NETWO8922-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-206-709-3771 
OrgTechEmail:  rob.owens@gatesfoundation.org
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO8922-ARIN

OrgAbuseHandle: NETWO8922-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-206-709-3771 
OrgAbuseEmail:  rob.owens@gatesfoundation.org
OrgAbuseRef:    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" : [ "rob.owens@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" : [ "rob.owens@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
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
AS10242	US Internet Corp	US
AS3130	RGnet OU	EE
AS293	ESnet	US
AS205329	Kai-Jung Chen	TW
AS394256	Tech Futures Interactive Inc.	CA
AS36236	NetActuate, Inc	US
AS18106	Viewqwest Pte Ltd	SG
AS53597	Hoyos Consulting LLC	US
AS4455	IX Reach Ltd	GB
AS16276	OVH SAS	FR
AS1000	LINK AMERICAN	US
AS400818	Ausra LLC	US
AS20055	Wholesail networks LLC	US
AS9002	RETN Limited	GB
AS286	GTT Communications Inc.	NL
AS7575	Australian Academic and Research Network (AARNet)	AU
AS4474	TCT West, Inc.	US
AS3701	University of Oregon	US
AS35280	F5 Networks SARL	FR
AS7575	Australian Academic and Research Network	AU
AS20119	Arrow Group Inc.	CA
AS3257	GTT Communications Inc.	US
AS13737	Interconnecx, LLC	US
AS53828	NETWORK INNOVATIONS, LLC	US
AS3356	Level 3 Parent, LLC	US
AS137409	GSL Networks Pty LTD	AU
AS4181	TDS TELECOM	US
AS49544	i3D.net B.V	NL

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