AS3902 GlaxoSmithKline

GLAXOSMITHKLINE - GlaxoSmithKline · registered in the United States

IPv4 addresses1,0244 prefixes · <0.001% of announced IPv4

Rank in United States#8,032largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#36,200of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS3902 in ASN lookup Look up an IP in this network (130.23.244.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

130.23.244.0/24
130.23.248.0/24
145.240.94.0/24
198.28.92.0/24

Other ASNs named GlaxoSmithKline

4 other networks use the same organisation name; together with AS3902 they announce 2,816 IPv4 addresses.

ASNNameIPv4 addresses

AS14306GLAXOSMITHKLINE - GlaxoSmithKline US768

AS824GLAXOSMITHKLINE - GlaxoSmithKline US512

AS2539GLAXOSMITHKLINE - GlaxoSmithKline US256

AS5635GLAXOSMITHKLINE - GlaxoSmithKline US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS3704#8029 ISPNET-AS - isp.net1,024

AS3789#8030 ESSENTIAHEALTH-3789 - Essentia Health East1,024

AS3828#8031 CIRRUS - Cirrus Logic Inc.1,024

AS4297#8033 CENTURYLINK-MTIPS4-HLR - CenturyLink Communications, LLC1,024

AS4356#8034 EPICGA-HQ-AS - Epic Games Inc.1,024

AS4393#8035 TIME-INC - Meredith Corp.1,024

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