ESnet operates AS291: 1 IPv4 prefixes covering 262,144 addresses, most of them in 
United States.
By IPv4 addresses the network ranks #890 worldwide and #254 of 18,202 networks in United States. That is 0.02% of the country’s IPv4 space.
The network spreads across 3 countries: United States 100%, United Kingdom 0.03%, Netherlands 0.01%.
The largest block is 198.124.0.0 to 198.127.255.255 with 262,144 addresses, geolocated to Barnwell.
- IPv4 addresses
- 262,144
- IPv4 prefixes
- 1
- World rank
- #890
- Country share
- 0.02%
Addresses by country
- United States 100%
United Kingdom 0.03%
Netherlands 0.01%
Largest blocks
- 198.124.0.0 Barnwell262,144
Networks of similar size
- AS14298 Environmental Protection Agency262,400
- AS197425 Saab AB
262,400 - AS26662 XEROX CORPORATION262,144
- AS20312 Fundación Centro Nacional de Innovación Tecnológica (CENIT)
262,144 - AS292 ESnet262,144
- AS9329 Sri Lanka Telecom Ltd
261,888 - AS55 University of Pennsylvania261,888
- AS134810 China Mobile Communications Corporation
261,376
IPv4 prefixes
Questions and answers
Who owns AS291?
Autonomous system AS291 is operated by ESnet.
How many IP addresses does AS291 have?
The network holds 262,144 IPv4 addresses in 1 prefixes.
Which country is AS291 in?
The main country is United States, with addresses in 2 more countries.
How big is AS291?
By IPv4 addresses it ranks #890 worldwide.
What is the largest address block of AS291?
198.124.0.0 to 198.127.255.255, 262,144 addresses.