AS2003 is the autonomous system of Electric Power Research Institute. It holds 26,624 IPv4 addresses in 16 prefixes, mainly in 
United States.
By IPv4 addresses the network ranks #5,273 worldwide and #1,853 of 18,202 networks in United States.
The largest block is 144.58.208.0 to 144.58.255.255 with 12,288 addresses, geolocated to Palo Alto.
- IPv4 addresses
- 26,624
- IPv4 prefixes
- 16
- World rank
- #5,273
Addresses by country
- United States 100%
Largest blocks
- 144.58.208.0 Palo Alto12,288
- 144.58.176.0 Palo Alto4,096
- 144.58.112.0 Palo Alto4,096
- 144.58.0.0 Dallas1,792
- 144.58.42.0 San Jose1,280
- 144.58.96.0 Blountville1,024
- 144.58.48.0 Blountville1,024
- 144.58.144.0 Charlotte256
Networks of similar size
- AS18274 Utsunomiya Cable TV Corporation
26,624 - AS30256 Acadia University
26,624 - AS5049 Morgan Stanley Group Inc.26,624
- AS400186 Singing River Connect, LLC26,624
- AS9292 Temasek Polytechnic
26,624 - AS26425 Exelon Corporation
26,624 - AS18933 T-Mobile USA, Inc.26,624
- AS22011 Sixsigma Networks Mexico, S.A. de C.V.
26,624
IPv4 prefixes
Questions and answers
Who owns AS2003?
Autonomous system AS2003 is operated by Electric Power Research Institute.
How many IP addresses does AS2003 have?
The network holds 26,624 IPv4 addresses in 16 prefixes.
Which country is AS2003 in?
The main country is United States.
How big is AS2003?
By IPv4 addresses it ranks #5,273 worldwide.
What is the largest address block of AS2003?
144.58.208.0 to 144.58.255.255, 12,288 addresses.