Autonomous System

AS545 Corporation for National Research Initiatives

BusinessActiveUnited StatesARIN

AS545 (NRI) is a business network operated by Corporation for National Research Initiatives in United States, registered with ARIN. It has 2 IPv4 prefixes with 65,792 addresses and 1 IPv6 prefix, which makes it the 3,416th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses65,792in 2 prefixes
IPv6 prefixes1≈ 1.9 × 10²⁵ addresses
Size rank#3,416of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationCorporation for National Research Initiatives
AS nameNRI
Websitecnri.reston.va.us
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactsweilnau@cnri.reston.va.us
Registered1989-10-17
Last updated2025-11-06

IPv4 prefixes

2 prefixes · 65,792 addresses
NetworkAddressesFirst – last address
132.151.0.0/1665,536132.151.0.0 – 132.151.255.255
65.194.67.0/2425665.194.67.0 – 65.194.67.255

IPv6 prefixes

1 prefix
  • 2602:80d:3000::/44

Query AS545 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=AS545&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS545, with or without a key:

curl "https://api.ipapi.is/?q=132.151.0.1"

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