AS6071 Unisys Corporation

UNISYS-AS-E - Unisys Corporation · registered in the United States

IPv4 addresses19,45616 prefixes · <0.001% of announced IPv4

Rank in United States#2,157largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#6,249of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS6071 in ASN lookup Look up an IP in this network (129.220.0.1) All networks in United States

IPv4 prefixes

All 16 prefixes, in address order.

129.220.0.0/22
129.220.5.0/24
129.220.6.0/23
129.220.8.0/22
129.220.12.0/24
129.220.14.0/24
129.220.17.0/24
129.220.18.0/23
129.220.20.0/23
129.220.24.0/23
129.220.26.0/23
129.220.28.0/22
129.220.32.0/20
129.220.50.0/24
129.220.53.0/24
129.220.160.0/19

Other ASNs named Unisys Corporation

3 other networks use the same organisation name; together with AS6071 they announce 32,256 IPv4 addresses.

ASNNameIPv4 addresses

AS25746UNISYSASN25746 - Unisys Corporation US10,752

AS6072UNISYS-AS-C - Unisys Corporation US1,536

AS2021UNISYS-INT - Unisys Corporation US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS3614#2154 DELL-BLK - Dell, Inc.19,456

AS1699#2155 ANS-1699-AS - Verizon Business19,456

AS4314#2156 NTSC-ASN2 - Vexus Fiber19,456

AS6250#2158 NEONOVA-NET - NeoNova Network Services, LLC19,456

AS14792#2159 DST-ASN - DST Systems, Inc.19,456

AS33619#2160 AMD-MARKHAM - Advanced Micro Devices, Inc.19,456

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