AS63 is the autonomous system of Massachusetts Institute of Technology. It holds 67,584 IPv4 addresses in 5 prefixes, mainly in 
United States.
By IPv4 addresses the network ranks #2,544 worldwide and #807 of 18,202 networks in United States.
The largest block is 129.55.0.0 to 129.55.255.255 with 65,536 addresses, geolocated to Lexington.
- IPv4 addresses
- 67,584
- IPv4 prefixes
- 5
- World rank
- #2,544
Addresses by country
- United States 100%
Largest blocks
- 129.55.0.0 Lexington65,536
- 192.5.136.0 Lexington1,536
- 192.26.149.0 Lexington512
Networks of similar size
- AS199791 Embriq AS
67,584 - AS13167 Merck KGaA
67,584 - AS56019 Beijing CNISP Technology Co., Ltd.
67,584 - AS2841 Chalmers University of Technology
67,584 - AS10441 Jacobs Engineering Group Inc.67,584
- AS28667 VERO S.A
67,584 - AS4730 Osaka University
67,584 - AS9183 Robert Bosch Gesellschaft mit Beschraenkter Haftung67,584
IPv4 prefixes
Questions and answers
Who owns AS63?
Autonomous system AS63 is operated by Massachusetts Institute of Technology.
How many IP addresses does AS63 have?
The network holds 67,584 IPv4 addresses in 5 prefixes.
Which country is AS63 in?
The main country is United States.
How big is AS63?
By IPv4 addresses it ranks #2,544 worldwide.
What is the largest address block of AS63?
129.55.0.0 to 129.55.255.255, 65,536 addresses.