Autonomous System

AS7054 Merck and Co., Inc.

BusinessActiveUnited StatesARIN

AS7054 (MERCK) is a business network operated by Merck and Co., Inc. in United States, registered with ARIN. It has 19 IPv4 prefixes with 11,008 addresses, which makes it the 9,638th largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses11,008in 19 prefixes
IPv6 prefixes0none
Size rank#9,638of 82,283 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationMerck and Co., Inc.
AS nameMERCK
Websitemerck.com
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactmark_shihata@merck.com
Registered1996-08-07
Last updated2026-09-23

IPv4 prefixes

19 prefixes · 11,008 addresses
NetworkAddressesFirst – last address
155.91.72.0/212,048155.91.72.0 – 155.91.79.255
155.91.152.0/212,048155.91.152.0 – 155.91.159.255
155.91.8.0/221,024155.91.8.0 – 155.91.11.255
155.91.72.0/221,024155.91.72.0 – 155.91.75.255
155.91.152.0/221,024155.91.152.0 – 155.91.155.255
155.91.12.0/23512155.91.12.0 – 155.91.13.255
155.91.20.0/24256155.91.20.0 – 155.91.20.255
155.91.27.0/24256155.91.27.0 – 155.91.27.255
155.91.28.0/24256155.91.28.0 – 155.91.28.255
155.91.34.0/24256155.91.34.0 – 155.91.34.255
155.91.37.0/24256155.91.37.0 – 155.91.37.255
155.91.38.0/24256155.91.38.0 – 155.91.38.255
155.91.39.0/24256155.91.39.0 – 155.91.39.255
155.91.44.0/24256155.91.44.0 – 155.91.44.255
155.91.45.0/24256155.91.45.0 – 155.91.45.255
155.91.50.0/24256155.91.50.0 – 155.91.50.255
155.91.51.0/24256155.91.51.0 – 155.91.51.255
155.91.59.0/24256155.91.59.0 – 155.91.59.255
155.91.62.0/24256155.91.62.0 – 155.91.62.255

IPv6 prefixes

No IPv6 prefixes.

Query AS7054 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS7054&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS7054, with or without a key:

curl "https://api.ipapi.is/?q=155.91.72.1"

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