Autonomous System

AS26551 Sargent & Lundy Engineers

BusinessActiveUnited StatesARIN

AS26551 (SARGENT-AND-LUNDY) is a business network operated by Sargent & Lundy Engineers in United States, registered with ARIN. It has 5 IPv4 prefixes with 71,168 addresses, which makes it the 2,961st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses71,168in 5 prefixes
IPv6 prefixes0none
Size rank#2,961of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationSargent & Lundy Engineers
AS nameSARGENT-AND-LUNDY
Websitesargentlundy.com
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactchristine.m.berns@sargentlundy.com
Registered2002-10-15
Last updated2012-03-02

IPv4 prefixes

5 prefixes · 71,168 addresses
NetworkAddressesFirst – last address
151.154.0.0/1665,536151.154.0.0 – 151.154.255.255
151.154.128.0/204,096151.154.128.0 – 151.154.143.255
151.154.84.0/221,024151.154.84.0 – 151.154.87.255
151.154.103.0/24256151.154.103.0 – 151.154.103.255
151.154.223.0/24256151.154.223.0 – 151.154.223.255

IPv6 prefixes

No IPv6 prefixes.

Query AS26551 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=AS26551&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS26551, with or without a key:

curl "https://api.ipapi.is/?q=151.154.0.1"

Largest networks in United States

AS749 United States Department of Defense (DoD)227,464,192 IPv4 addressesAS16509 Amazon.com, Inc.218,038,784 IPv4 addressesAS7018 AT&T Enterprises, LLC117,262,080 IPv4 addressesAS8075 Microsoft Corporation81,463,040 IPv4 addressesAS721 United States Department of Defense (DoD)73,070,080 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addresses