AS25746 Unisys Corporation

UNISYSASN25746 - Unisys Corporation · registered in the United States

IPv4 addresses10,75213 prefixes · <0.001% of announced IPv4

Rank in United States#2,862largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#8,748of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS25746 in ASN lookup Look up an IP in this network (129.220.48.1) All networks in United States

IPv4 prefixes

All 13 prefixes, in address order.

129.220.48.0/23
129.220.51.0/24
129.220.52.0/24
129.220.55.0/24
129.220.56.0/23
129.220.59.0/24
129.220.61.0/24
129.220.62.0/23
129.220.64.0/20
129.220.80.0/21
129.220.88.0/22
129.220.92.0/23
129.220.95.0/24

Other ASNs named Unisys Corporation

3 other networks use the same organisation name; together with AS25746 they announce 32,256 IPv4 addresses.

ASNNameIPv4 addresses

AS6071UNISYS-AS-E - Unisys Corporation US19,456

AS6072UNISYS-AS-C - Unisys Corporation US1,536

AS2021UNISYS-INT - Unisys Corporation US512

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS30059#2863 ZIMCOM - Zimcom Network Solutions Inc.10,752

AS31972#2864 EMGINECONCEPT-01 - Emagine Concept, Inc.10,752

AS32034#2865 NEWCOM-INTL - SPEEDCAST LATAM INC.10,752

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