Autonomous System
AS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory
GovernmentActiveUnited StatesARIN
AS40623 (GFDL) is a government network operated by Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory in United States, registered with ARIN. It has 2 IPv4 prefixes with 20,480 addresses and 2 IPv6 prefixes, which makes it the 6,782nd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses20,480in 2 prefixes
IPv6 prefixes2≈ 2.1 × 10²⁵ addresses
Size rank#6,782of 82,200 active ASNs
Details
OrganizationOffice of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory
AS nameGFDL
Websitegfdl.noaa.gov
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactchanwilson@gmail.com
Registered2008-02-14
Last updated2023-01-23
IPv4 prefixes
2 prefixes · 20,480 addresses| Network | Addresses | First – last address |
|---|---|---|
| 140.208.0.0/18 | 16,384 | 140.208.0.0 – 140.208.63.255 |
| 140.208.144.0/20 | 4,096 | 140.208.144.0 – 140.208.159.255 |
140.208.0.0/18 140.208.144.0/20
IPv6 prefixes
2 prefixes- 2610:20:8020::/44
- 2610:20:9120::/48
2610:20:8020::/44 2610:20:9120::/48
Query AS40623 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=AS40623&key=YOUR_API_KEY"Any address in its prefixes resolves to AS40623, with or without a key:
curl "https://api.ipapi.is/?q=140.208.0.1"Largest networks in United States
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