AS29990 Xandr Inc.

ASN-APPNEXUS - Xandr Inc. · registered in the United States

IPv4 addresses29,44033 prefixes · <0.001% of announced IPv4

Rank in United States#1,812largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,062of 79,396 networks with IPv4

IPv6128 x /487 prefixes

CountryUnited States18,679 ASNs registered there

Open AS29990 in ASN lookup Look up an IP in this network (37.252.160.1) All networks in United States

IPv4 prefixes

All 33 prefixes, in address order.

37.252.160.0/23
37.252.168.0/21
43.250.0.0/22
64.208.136.0/22
64.208.141.0/24
64.210.56.0/21
68.67.128.0/23
68.67.130.0/23
68.67.132.0/22
68.67.136.0/21
68.67.144.0/20
68.67.160.0/23
68.67.162.0/23
68.67.164.0/22
68.67.168.0/21
68.67.176.0/23
68.67.178.0/23
68.67.180.0/22
68.67.184.0/23
68.67.186.0/24
68.67.187.0/24
68.67.188.0/22
103.43.88.0/22
103.243.220.0/23
103.243.223.0/24
104.254.148.0/22
172.83.92.0/24
192.190.7.0/24
204.13.192.0/23
204.13.194.0/23
204.13.196.0/22
216.252.164.0/23
216.252.166.0/24

IPv6 prefixes

All 7 prefixes.

2401:1f80:10::/44
2605:ee00::/43
2605:ee00:30::/44
2605:ee00:40::/44
2605:ee00:fff0::/44
2a00:d120:10::/44
2a03:84a0::/44

Similar-sized networks in United States

ASNNameIPv4 addresses

AS214413#1809 SecureLink WYOCORE TECHNOLOGIES LLC29,696

AS53264#1810 SBAEDGE-603 - SBA Edge, LLC29,440

AS393397#1811 LREC-LRT - Lake Region Electric Cooperative, Inc29,440

AS22593#1813 BCBSNC-AS - Blue Cross and Blue Shield of North Carolina29,440

AS29852#1814 HONEST - Honest Networks, LLC29,440

AS46632#1815 SOUTHWEST-ARKANSAS-TELEPHONE-COOPERATIVE - Southwest Arkansas Telephone Cooperative29,440

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources