Autonomous System

AS25829 Smithsonian Institution

GovernmentActiveUnited StatesARIN

AS25829 (SMITHSONIAN) is a government network operated by Smithsonian Institution in United States, registered with ARIN. It has 6 IPv4 prefixes with 63,744 addresses and 1 IPv6 prefix, which makes it the 3,924th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses63,744in 6 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#3,924of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationSmithsonian Institution
AS nameSMITHSONIAN
Websitesi.edu
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contacthargism@si.edu
Registered2002-05-16
Last updated2019-11-13

IPv4 prefixes

6 prefixes · 63,744 addresses
NetworkAddressesFirst – last address
160.111.0.0/1732,768160.111.0.0 – 160.111.127.255
160.111.128.0/1816,384160.111.128.0 – 160.111.191.255
160.111.192.0/198,192160.111.192.0 – 160.111.223.255
160.111.240.0/204,096160.111.240.0 – 160.111.255.255
160.111.224.0/212,048160.111.224.0 – 160.111.231.255
38.127.143.0/2425638.127.143.0 – 38.127.143.255

IPv6 prefixes

1 prefix
  • 2001:550:7708::/48

Query AS25829 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=AS25829&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS25829, with or without a key:

curl "https://api.ipapi.is/?q=160.111.0.1"

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