ASN AS29990 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS29990?

AS29990 is listed under Xandr Inc..

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?

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AS29990 Xandr Inc. | IPGeolocation.io

ASN Lookup Tool

Xandr Inc. microsoft.com

US 49 Routes

AS Data

AS29990

AS29990 – Xandr Inc.

AS Number	29990
AS Name	ASN-APPNEXUS
Organization	Xandr Inc. (appne)
Country	US
Website	microsoft.com
Number of IPv4 Routes	40
Number of IPv6 Routes	9
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-01-10

ASN Intelligence API for production workflows

Use ASN data for AS29990 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
68.67.144.0/21	AS29990	Xandr Inc.	Xandr Inc.	2048
64.208.141.0/24	AS29990	Xandr Inc.	Xandr Inc.	256
2605:ee00:10::/44	AS29990	Xandr Inc.	Xandr Inc.	~19×10²⁴
64.210.56.0/21	AS29990	Xandr Inc.	Xandr Inc.	2048
68.67.175.0/24	AS29990	Xandr Inc.	Xandr Inc.	256
37.252.162.0/23	AS29990	Xandr Inc.	XANDR INC.	512
37.252.160.0/23	AS29990	Xandr Inc.	XANDR INC.	512
2605:ee00:40::/44	AS29990	Xandr Inc.	Xandr Inc.	~19×10²⁴
68.67.172.0/24	AS29990	Xandr Inc.	Xandr Inc.	256
185.89.208.0/22	AS29990	Xandr Inc.	EUADNEXUS FR IB	1024

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:       29990
ASName:         ASN-APPNEXUS
ASHandle:       AS29990
RegDate:        2008-01-10
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/29990


OrgName:        Xandr Inc.
OrgId:          APPNE
Address:        28 23rd Street
Address:        Fifth Floor
City:           New York
StateProv:      NY
PostalCode:     10010
Country:        US
RegDate:        2008-01-07
Updated:        2024-11-04
Ref:            https://rdap.arin.net/registry/entity/APPNE

ReferralServer:  rwhois://rwhois.appnexus.net:4321

OrgTechHandle: APPNE-ARIN
OrgTechName:   appnexus-ipadmin
OrgTechPhone:  +1-646-723-7844 
OrgTechEmail:  xdr-ipadmin@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/APPNE-ARIN

OrgAbuseHandle: APPNE1-ARIN
OrgAbuseName:   appnexus-abuse
OrgAbusePhone:  +1-646-723-7844 
OrgAbuseEmail:  xdr-abuse@microsoft.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/APPNE1-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" : "29990",
    "as_handle" : "AS29990",
    "as_name" : "ASN-APPNEXUS",
    "tech_contacts" : [ "APPNE-ARIN" ],
    "abuse_contacts" : [ "APPNE1-ARIN" ],
    "date_created" : "2008-01-10",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/29990"
  } ],
  "organization" : {
    "handle" : "APPNE",
    "name" : "Xandr Inc.",
    "address" : [ "28 23rd Street", "Fifth Floor", "New York", "NY", "10010", "US" ],
    "street" : "23rd Street",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10010",
    "country" : [ "US" ],
    "date_created" : "2008-01-07",
    "date_updated" : "2024-11-04",
    "source" : "https://rdap.arin.net/registry/entity/APPNE",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "APPNE-ARIN",
    "name" : "appnexus-ipadmin",
    "email" : [ "xdr-ipadmin@microsoft.com" ],
    "phone" : [ "+1-646-723-7844" ],
    "source" : "https://rdap.arin.net/registry/entity/APPNE-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "APPNE1-ARIN",
    "name" : "appnexus-abuse",
    "email" : [ "xdr-abuse@microsoft.com" ],
    "phone" : [ "+1-646-723-7844" ],
    "source" : "https://rdap.arin.net/registry/entity/APPNE1-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS12552	GlobalConnect AB	SE
AS9498	Bharti Airtel Limited	IN
AS46450	Pilot Fiber, Inc.	US
AS6939	Hurricane Electric LLC	US
AS8359	MTS PJSC	RU
AS31027	GlobalConnect A/S	DK
AS4826	Vocus Connect International Backbone	AU
AS4637	Telstra Global	HK
AS31133	PJSC MegaFon	RU
AS2914	NTT America, Inc.	US

Upstreams

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB
AS30781	Free Pro SAS	FR
AS9498	Bharti Airtel Limited	IN
AS6939	Hurricane Electric LLC	US
AS24961	WIIT AG	DE
AS8359	MTS PJSC	RU
AS1267	WIND TRE S.P.A.	IT
AS31133	PJSC MegaFon	RU
AS2914	NTT America, Inc.	US
AS174	Cogent Communications, LLC	US