AS43 is the autonomous system of Brookhaven National Laboratory. It holds 66,560 IPv4 addresses in 5 prefixes plus 3 IPv6 ranges, mainly in 
United States.
By IPv4 addresses the network ranks #2,628 worldwide and #841 of 18,202 networks in United States.
The largest block is 130.199.0.0 to 130.199.255.255 with 65,536 addresses, geolocated to Upton.
- IPv4 addresses
- 66,560
- IPv4 prefixes
- 5
- World rank
- #2,628
- IPv6 ranges
- 3
Addresses by country
- United States 100%
Largest blocks
- 130.199.0.0 Upton65,536
- 192.203.218.0 Flanders256
- 192.153.161.0 Flanders256
- 192.33.128.0 Flanders256
- 192.12.15.0 Flanders256
Networks of similar size
- AS2701 Kansas State University66,560
- AS46453 Abbott Laboratories66,560
- AS84 Navy Network Information Center (NNIC)66,560
- AS1303 Renater
66,560 - AS262210 VIETTEL PERÚ S.A.C.
66,560 - AS4130 University of Pittsburgh66,560
- AS20633 Johann Wolfgang Goethe-Universitat Frankfurt am Main
66,560 - AS15495 BASF Digital Solutions GmbH66,560
IPv4 prefixes
Questions and answers
Who owns AS43?
Autonomous system AS43 is operated by Brookhaven National Laboratory.
How many IP addresses does AS43 have?
The network holds 66,560 IPv4 addresses in 5 prefixes, plus 3 IPv6 ranges.
Which country is AS43 in?
The main country is United States.
How big is AS43?
By IPv4 addresses it ranks #2,628 worldwide.
What is the largest address block of AS43?
130.199.0.0 to 130.199.255.255, 65,536 addresses.