AS64249 is the autonomous system of Charles River Operation. It holds 23,296 IPv4 addresses in 51 prefixes plus 5 IPv6 ranges, mainly in 
United States.
By IPv4 addresses the network ranks #5,641 worldwide and #1,984 of 18,202 networks in United States.
The largest block is 207.32.128.0 to 207.32.159.255 with 8,192 addresses, geolocated to New York.
- IPv4 addresses
- 23,296
- IPv4 prefixes
- 51
- World rank
- #5,641
- IPv6 ranges
- 5
Addresses by country
- United States 100%
Largest blocks
- 207.32.128.0 New York8,192
- 74.118.68.0 Boston1,024
- 198.145.141.0 Boston768
- 45.67.142.0 Cheyenne768
- 154.3.236.0 Waltham512
- 94.154.168.0 Boston512
- 79.98.181.0 Boston512
- 67.22.61.0 Lehi512
Networks of similar size
23,552
23,552
23,296
23,296
23,296
23,296IPv4 prefixes
- 5.182.51.0/24
- 5.182.199.0/24
- 31.132.54.0/24
- 38.124.1.0/24
- 38.146.55.0/24
- 38.242.7.0/24
- 38.242.12.0/24
- 38.242.18.0/24
- 38.242.24.0/24
- 44.32.53.0/24
- 44.104.110.0/24
- 45.10.23.0/24
- 45.58.211.0/24
- 45.67.142.0/23
- 45.67.144.0/24
- 52.124.20.0/23
- 63.246.128.0/24
- 63.246.156.0/23
- 63.251.142.0/24
- 66.150.192.0/24
- 66.150.196.0/24
- 66.150.198.0/24
- 67.22.61.0/24
- 67.22.62.0/24
- 74.118.68.0/22
- 79.98.181.0/24
- 79.98.182.0/24
- 83.143.107.0/24
- 92.249.28.0/24
- 94.154.168.0/23
- 94.154.176.0/24
- 94.154.179.0/24
- 144.86.187.0/24
- 147.189.137.0/24
- 154.3.45.0/24
- 154.3.129.0/24
- 154.3.222.0/24
- 154.3.236.0/23
- 154.9.0.0/24
- 154.9.154.0/24
- 154.12.2.0/24
- 154.12.6.0/24
- 154.13.0.0/24
- 154.39.0.0/24
- 154.39.2.0/24
- 192.203.175.0/24
- 193.148.94.0/24
- 198.145.141.0/24
- 198.145.142.0/23
- 206.197.231.0/24
- 207.32.128.0/19
Questions and answers
Who owns AS64249?
Autonomous system AS64249 is operated by Charles River Operation.
How many IP addresses does AS64249 have?
The network holds 23,296 IPv4 addresses in 51 prefixes, plus 5 IPv6 ranges.
Which country is AS64249 in?
The main country is United States.
How big is AS64249?
By IPv4 addresses it ranks #5,641 worldwide.
What is the largest address block of AS64249?
207.32.128.0 to 207.32.159.255, 8,192 addresses.