ASN Lookup Tool

Microsoft Advertising about.ads.microsoft.com US US 49 Routes

AS Data

AS29990

AS29990 – Microsoft Advertising

AS Number 29990
AS Name ASN-APPNEXUS
Organization Microsoft Advertising (appne)
Country US
Website about.ads.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

Get ASN API Key ASN API Docs
Powered by ASN data

IP Ranges

Route # IPs
68.67.176.0/21 2048
68.67.186.0/24 256
103.43.88.0/24 256
192.190.7.0/24 256
104.254.148.0/22 1024
68.67.129.0/24 256
2a00:d120:30::/44 ~19×10²⁴
68.67.172.0/24 256
2605:ee00:40::/44 ~19×10²⁴
68.67.168.0/22 1024
64.208.136.0/22 1024
68.67.128.0/24 256
37.252.160.0/23 512
68.67.175.0/24 256
37.252.164.0/22 1024
2605:ee00::/44 ~19×10²⁴
68.67.176.0/23 512
103.243.223.0/24 256
216.252.164.0/23 512
68.67.174.0/24 256
68.67.160.0/23 512
185.33.220.0/22 1024
64.208.141.0/24 256
185.83.142.0/23 512
68.67.173.0/24 256
2401:1f80:10::/44 ~19×10²⁴
37.252.162.0/23 512
204.13.192.0/21 2048
2a00:d120:10::/44 ~19×10²⁴
103.43.89.0/24 256
68.67.176.0/20 4096
2605:ee00:fff0::/44 ~19×10²⁴
103.43.90.0/23 512
185.89.208.0/22 1024
2a03:84a0::/44 ~19×10²⁴
185.83.140.0/24 256
64.210.56.0/21 2048
68.67.128.0/20 4096
37.252.168.0/21 2048
68.67.144.0/21 2048
2605:ee00:30::/44 ~19×10²⁴
68.67.152.0/21 2048
68.67.160.0/21 2048
172.83.92.0/24 256
43.250.0.0/22 1024
204.13.193.0/24 256
2605:ee00:10::/44 ~19×10²⁴
216.252.166.0/24 256
103.243.220.0/23 512

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

Peers

AS Number Description Country
AS12552 GlobalConnect AB SE
AS9498 Bharti Airtel Limited IN
AS8359 MTS PJSC RU
AS6939 Hurricane Electric LLC US
AS20473 The Constant Company, LLC US
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC AE
AS31133 PJSC MegaFon RU
AS2914 NTT America, Inc. US
AS2119 Telenor Norge AS NO
AS16265 LeaseWeb Network B.V. NL
AS56665 Proximus Luxembourg S.A. LU
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS16276 OVH SAS FR
AS4455 IX Reach Ltd GB
AS2518 BIGLOBE Inc. JP
AS6079 RCN US
AS4637 Telstra International Limited HK
AS6797 GlobalConnect AB SE
AS24940 Hetzner Online GmbH DE
AS6461 Zayo Bandwidth US
AS30781 Free Pro SAS FR
AS8220 COLT Technology Services Group Limited GB
AS24961 WIIT AG DE
AS1267 WIND TRE S.P.A. IT
AS174 Cogent Communications, LLC US
AS1299 Arelion Sweden AB SE
AS1828 Unitas Global US
AS137409 GSL Networks Pty LTD AU
AS4826 VOCUS PTY LTD AU

Upstreams

AS Number Description Country
AS30781 Free Pro SAS FR
AS9498 Bharti Airtel Limited IN
AS8220 COLT Technology Services Group Limited GB
AS8359 MTS PJSC RU
AS6939 Hurricane Electric LLC US
AS24961 WIIT AG DE
AS1267 WIND TRE S.P.A. IT
AS2914 NTT America, Inc. US
AS31133 PJSC MegaFon RU
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS1299 Arelion Sweden AB SE
AS2518 BIGLOBE Inc. JP
AS4637 Telstra International Limited HK
AS6797 GlobalConnect AB SE
AS6461 Zayo Bandwidth US
AS137409 GSL Networks Pty LTD AU

Contacts

Email Contacts

xdr-ipadmin@microsoft.com

Abuse Contacts

xdr-abuse@microsoft.com

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS29990 is an Autonomous System Number used to identify a network for BGP internet routing.
AS29990 is listed under Microsoft Advertising.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.