Autonomous System

AS102 U.S. National Science Foundation

GovernmentActiveUnited StatesARIN

AS102 (NSF-HQ-AS) is a government network operated by U.S. National Science Foundation in United States, registered with ARIN. It has 3 IPv4 prefixes with 66,048 addresses and 1 IPv6 prefix, which makes it the 3,357th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses66,048in 3 prefixes
IPv6 prefixes1≈ 3.1 × 10²⁶ addresses
Size rank#3,357of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationU.S. National Science Foundation
AS nameNSF-HQ-AS
Websitensf.gov
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactccoyne@nsf.gov
Registered1987-03-31
Last updated2025-02-11

IPv4 prefixes

3 prefixes · 66,048 addresses
NetworkAddressesFirst – last address
128.150.0.0/1665,536128.150.0.0 – 128.150.255.255
192.12.209.0/24256192.12.209.0 – 192.12.209.255
198.181.231.0/24256198.181.231.0 – 198.181.231.255

IPv6 prefixes

1 prefix
  • 2620:10f:6000::/40

Query AS102 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=AS102&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS102, with or without a key:

curl "https://api.ipapi.is/?q=128.150.0.1"

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