AS7671 is the autonomous system of NTT SmartConnect Corporation. It holds 453,888 IPv4 addresses in 40 prefixes plus 2 IPv6 ranges, mainly in 
Japan.
By IPv4 addresses the network ranks #600 worldwide and #27 of 848 networks in Japan. That is 0.22% of the country’s IPv4 space.
The network spreads across 2 countries: Japan 98%, Australia 1.7%.
The largest block is 157.3.0.0 to 157.4.255.255 with 131,072 addresses, geolocated to Osaka.
- IPv4 addresses
- 453,888
- IPv4 prefixes
- 40
- World rank
- #600
- Country share
- 0.22%
- IPv6 ranges
- 2
Addresses by country
Largest blocks
- 157.3.0.0 Osaka131,072
- 124.245.0.0 Chiyoda65,536
- 222.231.128.0 Osaka32,768
- 210.247.4.0 Osaka31,744
- 203.211.160.0 Osaka24,576
- 210.89.192.0 Osaka16,384
- 125.252.128.0 Osaka16,384
- 124.241.192.0 Osaka16,384
Networks of similar size
- AS47524 Turksat Uydu Haberlesme Kablo TV ve Isletme A.S.
458,968 - AS135887 Telstra Limited
458,496 - AS11888 Television Internacional, S.A. de C.V.
457,728 - AS40065 CNSERVERS LLC
455,168 - AS8386 Vodafone Net Iletisim Hizmetler AS451,840
- AS12663 Fastweb SpA
450,560 - AS32934 Facebook, Inc.
449,024 - AS8851 GCI Network Solutions Limited
447,232
IPv4 prefixes
- 58.147.192.0/18
- 103.28.236.0/22
- 114.129.0.0/21
- 114.129.48.0/20
- 117.58.224.0/20
- 122.50.16.0/20
- 122.100.16.0/21
- 124.241.192.0/18
- 124.245.0.0/16
- 125.252.128.0/18
- 157.3.0.0/16
- 157.4.0.0/16
- 192.218.14.0/24
- 202.62.176.0/20
- 202.71.64.0/19
- 202.78.208.0/20
- 202.189.176.0/21
- 202.211.112.0/20
- 202.242.245.0/24
- 202.255.103.0/24
- 203.78.224.0/19
- 203.184.96.0/19
- 203.211.160.0/19
- 203.211.192.0/18
- 210.89.192.0/18
- 210.172.32.0/19
- 210.233.240.0/20
- 210.247.0.0/23
- 210.247.4.0/22
- 210.247.8.0/21
- 210.247.16.0/20
- 210.247.32.0/19
- 210.247.64.0/18
- 211.1.224.0/19
- 219.96.64.0/19
- 219.103.32.0/20
- 219.111.224.0/20
- 219.113.64.0/20
- 219.124.32.0/20
- 222.231.128.0/17
Questions and answers
Who owns AS7671?
Autonomous system AS7671 is operated by NTT SmartConnect Corporation.
How many IP addresses does AS7671 have?
The network holds 453,888 IPv4 addresses in 40 prefixes, plus 2 IPv6 ranges.
Which country is AS7671 in?
The main country is Japan, with addresses in 1 more countries.
How big is AS7671?
By IPv4 addresses it ranks #600 worldwide.
What is the largest address block of AS7671?
157.3.0.0 to 157.4.255.255, 131,072 addresses.