Thomas Jefferson National Accelerator Facility operates AS6406: 2 IPv4 prefixes covering 65,792 addresses, most of them in 
United States.
By IPv4 addresses the network ranks #2,758 worldwide and #921 of 18,202 networks in United States.
The largest block is 129.57.0.0 to 129.57.255.255 with 65,536 addresses, geolocated to Newport News (Central Newport News).
- IPv4 addresses
- 65,792
- IPv4 prefixes
- 2
- World rank
- #2,758
- IPv6 ranges
- 1
Addresses by country
- United States 100%
Largest blocks
- 129.57.0.0 Newport News (Central Newport News)65,536
- 192.70.245.0 Newport News (Central Newport News)256
Networks of similar size
- AS6510 Brigham Young University65,792
- AS4201 Oregon State University65,792
- AS209781 BASF Digital Solutions GmbH
65,792 - AS4385 Rochester Institute of Technology65,792
- AS12093 University of Waterloo
65,792 - AS823 University of Western Ontario65,792
- AS28714 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.65,792
- AS2833 Umea University
65,792
IPv4 prefixes
Questions and answers
Who owns AS6406?
Autonomous system AS6406 is operated by Thomas Jefferson National Accelerator Facility.
How many IP addresses does AS6406 have?
The network holds 65,792 IPv4 addresses in 2 prefixes, plus 1 IPv6 ranges.
Which country is AS6406 in?
The main country is United States.
How big is AS6406?
By IPv4 addresses it ranks #2,758 worldwide.
What is the largest address block of AS6406?
129.57.0.0 to 129.57.255.255, 65,536 addresses.