AS21973 Xponet

XPONET - Xponet · registered in the United States

IPv4 addresses3,58410 prefixes · <0.001% of announced IPv4

Rank in United States#5,029largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,075of 79,396 networks with IPv4

IPv63 x /483 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21973 in ASN lookup Look up an IP in this network (63.85.4.1) All networks in United States

IPv4 prefixes

All 10 prefixes, in address order.

63.85.4.0/22
63.85.164.0/24
63.85.166.0/24
63.85.168.0/24
63.86.203.0/24
63.97.222.0/24
63.102.107.0/24
63.106.29.0/24
199.222.104.0/23
199.222.125.0/24

IPv6 prefixes

All 3 prefixes.

2602:ff18:221::/48
2602:ff18:241::/48
2602:ff18:242::/48

Similar-sized networks in United States

ASNNameIPv4 addresses

AS40300#5026 DRF-IXNET-HI - DR Fortress, LLC3,584

AS32002#5027 RACKGENIUS - RackGenius3,584

AS32578#5028 KC-EURON-1 - Euronet Worldwide, Inc.3,584

AS1008#5030 GANJINGWORLD - GANJINGWORLD CORPORATION3,584

AS46646#5031 BT-ASN - BOTTOMLINE TECHNOLOGIES (DE), INC3,584

AS14639#5032 CARDINALHEALTH-AS02 - Cardinal Health, Inc.3,584

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