AS7054 Merck and Co., Inc.

MERCK - Merck and Co., Inc. · registered in the United States

IPv4 addresses8,44816 prefixes · <0.001% of announced IPv4

Rank in United States#3,210largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#10,069of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS7054 in ASN lookup Look up an IP in this network (155.91.8.1) All networks in United States

IPv4 prefixes

All 16 prefixes, in address order.

155.91.8.0/22
155.91.12.0/23
155.91.20.0/24
155.91.27.0/24
155.91.28.0/24
155.91.34.0/24
155.91.37.0/24
155.91.38.0/23
155.91.44.0/23
155.91.51.0/24
155.91.59.0/24
155.91.62.0/24
155.91.72.0/23
155.91.74.0/24
155.91.76.0/22
155.91.152.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses

AS3364#3207 CSDCO-AS - Computer Systems Design Company8,448

AS4364#3208 IGLOU - IgLou Internet Services8,448

AS5671#3209 PBI-NET-BLK - AT&T Enterprises, LLC8,448

AS7148#3211 GRAPHNET-NET - Graphnet, Inc.8,448

AS8137#3212 DISNEYONLINE-AS - Disney Worldwide Services, Inc.8,448

AS13896#3213 8X8-FUZE - 8x8, Inc.8,448

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