AS4713 is the autonomous system of NTT Communications Corporation. It holds 28,623,872 IPv4 addresses in 144 prefixes plus 3 IPv6 ranges, mainly in 
Japan.
By IPv4 addresses the network ranks #12 worldwide and #2 of 848 networks in Japan. That is 14% of the country’s IPv4 space.
The network spreads across 2 countries: Japan 100%, United States 0.00%.
The largest block is 153.128.0.0 to 153.253.255.255 with 8,257,536 addresses, geolocated to Chiyoda City.
- IPv4 addresses
- 28,623,872
- IPv4 prefixes
- 144
- World rank
- #12
- Country share
- 14%
- IPv6 ranges
- 3
Addresses by country
- Japan 100%
United States 0.00%
Largest blocks
- 153.128.0.0 Chiyoda City8,257,536
- 180.0.0.0 Chiyoda City4,194,304
- 114.144.0.0 Osaka3,145,728
- 118.0.0.0 Chiyoda City1,572,864
- 122.16.0.0 Chiyoda City1,048,576
- 60.32.0.0 Osaka1,048,576
- 123.216.0.0 Chiyoda City786,432
- 222.144.0.0 Chiyoda City524,288
Networks of similar size
46,345,056
34,157,568IPv4 prefixes
- 27.114.0.0/17
- 27.132.8.0/24
- 27.133.240.0/22
- 36.52.223.0/24
- 58.88.0.0/13
- 60.32.0.0/12
- 61.4.152.0/21
- 61.4.160.0/20
- 61.112.0.0/15
- 61.114.112.0/20
- 61.118.0.0/15
- 61.126.0.0/15
- 61.199.0.0/16
- 61.207.0.0/16
- 61.208.0.0/16
- 61.214.0.0/16
- 103.163.250.0/23
- 114.144.0.0/12
- 114.160.0.0/11
- 118.0.0.0/12
- 118.16.0.0/13
- 119.161.104.0/21
- 121.112.0.0/13
- 122.1.0.0/16
- 122.16.0.0/12
- 123.216.0.0/13
- 123.224.0.0/14
- 124.84.0.0/14
- 124.96.0.0/13
- 125.170.0.0/16
- 125.172.0.0/14
- 125.200.0.0/13
- 133.153.0.0/16
- 138.212.224.0/23
- 138.212.227.0/24
- 138.212.228.0/23
- 138.212.230.0/24
- 138.212.238.0/23
- 138.212.241.0/24
- 138.212.245.0/24
- 138.212.249.0/24
- 138.212.252.0/24
- 150.5.64.0/18
- 150.35.0.0/16
- 150.61.4.0/24
- 150.61.8.0/24
- 150.61.13.0/24
- 150.61.17.0/24
- 150.61.31.0/24
- 150.61.33.0/24
- 150.61.35.0/24
- 150.61.41.0/24
- 150.61.46.0/24
- 150.61.49.0/24
- 150.61.53.0/24
- 150.61.64.0/18
- 150.61.128.0/17
- 153.124.192.0/21
- 153.128.0.0/10
- 153.192.0.0/11
- 153.224.0.0/12
- 153.240.0.0/13
- 153.248.0.0/14
- 153.252.0.0/15
- 157.64.0.0/16
- 157.120.124.0/22
- 159.211.22.0/24
- 159.211.224.0/24
- 159.211.237.0/24
- 159.211.248.0/24
- 164.43.141.0/24
- 164.162.6.0/23
- 164.162.16.0/24
- 165.108.0.0/16
- 165.241.0.0/16
- 180.0.0.0/10
- 182.161.77.0/24
- 182.161.78.0/23
- 198.232.16.0/24
- 202.18.209.0/24
- 202.18.210.0/24
- 202.19.152.0/24
- 202.34.80.0/22
- 202.34.90.0/24
- 202.34.92.0/23
- 202.34.94.0/24
- 202.34.100.0/24
- 202.34.102.0/23
- 202.34.104.0/24
- 202.34.106.0/23
- 202.34.108.0/22
- 202.157.100.0/22
- 202.157.112.0/21
- 202.157.120.0/22
- 202.157.124.0/23
- 202.191.16.0/20
- 202.213.16.0/22
- 202.216.26.0/24
- 202.234.192.0/18
- 202.246.122.0/23
- 202.246.176.0/22
- 202.255.27.0/24
- 202.255.28.0/23
- 203.139.160.0/19
- 203.140.96.0/19
- 210.132.0.0/18
- 210.134.16.0/20
- 210.145.0.0/16
- 210.154.0.0/16
- 210.160.0.0/14
- 210.164.0.0/16
- 210.170.64.0/18
- 210.171.200.0/21
- 210.190.0.0/16
- 210.225.0.0/16
- 210.226.0.0/15
- 210.232.0.0/16
- 210.248.0.0/16
- 210.254.128.0/17
- 211.0.0.0/16
- 211.1.32.0/19
- 211.6.0.0/16
- 211.11.0.0/16
- 211.16.0.0/15
- 211.122.0.0/15
- 211.129.0.0/16
- 211.130.0.0/18
- 211.130.64.0/19
- 211.130.128.0/17
- 218.43.0.0/16
- 218.44.0.0/16
- 218.47.0.0/16
- 218.224.0.0/16
- 218.230.128.0/17
- 219.96.128.0/17
- 219.114.0.0/17
- 219.160.0.0/13
- 220.96.0.0/14
- 220.104.0.0/13
- 220.220.0.0/15
- 221.113.128.0/17
- 221.184.0.0/13
- 222.144.0.0/13
- 223.216.0.0/14
Questions and answers
Who owns AS4713?
Autonomous system AS4713 is operated by NTT Communications Corporation.
How many IP addresses does AS4713 have?
The network holds 28,623,872 IPv4 addresses in 144 prefixes, plus 3 IPv6 ranges.
Which country is AS4713 in?
The main country is Japan, with addresses in 1 more countries.
How big is AS4713?
By IPv4 addresses it ranks #12 worldwide.
What is the largest address block of AS4713?
153.128.0.0 to 153.253.255.255, 8,257,536 addresses.