Autonomous System

AS2640 Ames Laboratory

GovernmentActiveUnited StatesARIN

AS2640 (AMESLAB-AS) is a government network operated by Ames Laboratory in United States, registered with ARIN. It has 1 IPv4 prefix with 65,536 addresses and 1 IPv6 prefix, which makes it the 3,552nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses65,536in 1 prefix
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#3,552of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationAmes Laboratory
AS nameAMESLAB-AS
Websiteameslab.gov
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactstephend@ameslab.gov
Registered1993-05-14
Last updated2009-06-05

IPv4 prefixes

1 prefix · 65,536 addresses
NetworkAddressesFirst – last address
147.155.0.0/1665,536147.155.0.0 – 147.155.255.255

IPv6 prefixes

1 prefix
  • 2620:57::/48

Query AS2640 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=AS2640&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS2640, with or without a key:

curl "https://api.ipapi.is/?q=147.155.0.1"

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