Autonomous System
AS7671 NTT SmartConnect Corporation
ISPActiveJapanAPNIC
AS7671 (MCNET) is an ISP network operated by NTT SmartConnect Corporation in Japan, registered with APNIC. It has 61 IPv4 prefixes with 457,728 addresses and 2 IPv6 prefixes, which makes it the 721st largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses457,728in 61 prefixes
IPv6 prefixes2≈ 4.0 × 10²⁹ addresses
Size rank#721of 82,200 active ASNs
Details
OrganizationNTT SmartConnect Corporation
AS nameMCNET
Websitentt.com
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-10-11
IPv4 prefixes
61 prefixes · 457,728 addresses| Network | Addresses | First – last address |
|---|---|---|
| 124.245.0.0/16 | 65,536 | 124.245.0.0 – 124.245.255.255 |
| 157.3.0.0/16 | 65,536 | 157.3.0.0 – 157.3.255.255 |
| 157.4.0.0/16 | 65,536 | 157.4.0.0 – 157.4.255.255 |
| 222.231.128.0/17 | 32,768 | 222.231.128.0 – 222.231.255.255 |
| 125.252.128.0/18 | 16,384 | 125.252.128.0 – 125.252.191.255 |
| 210.89.192.0/18 | 16,384 | 210.89.192.0 – 210.89.255.255 |
| 210.247.64.0/18 | 16,384 | 210.247.64.0 – 210.247.127.255 |
| 58.147.192.0/19 | 8,192 | 58.147.192.0 – 58.147.223.255 |
| 58.147.224.0/19 | 8,192 | 58.147.224.0 – 58.147.255.255 |
| 124.241.192.0/19 | 8,192 | 124.241.192.0 – 124.241.223.255 |
| 202.71.64.0/19 | 8,192 | 202.71.64.0 – 202.71.95.255 |
| 203.78.224.0/19 | 8,192 | 203.78.224.0 – 203.78.255.255 |
| 203.184.96.0/19 | 8,192 | 203.184.96.0 – 203.184.127.255 |
| 203.211.160.0/19 | 8,192 | 203.211.160.0 – 203.211.191.255 |
| 203.211.192.0/19 | 8,192 | 203.211.192.0 – 203.211.223.255 |
| 203.211.224.0/19 | 8,192 | 203.211.224.0 – 203.211.255.255 |
| 210.172.32.0/19 | 8,192 | 210.172.32.0 – 210.172.63.255 |
| 210.247.32.0/19 | 8,192 | 210.247.32.0 – 210.247.63.255 |
| 114.129.48.0/20 | 4,096 | 114.129.48.0 – 114.129.63.255 |
| 117.58.224.0/20 | 4,096 | 117.58.224.0 – 117.58.239.255 |
| 122.50.16.0/20 | 4,096 | 122.50.16.0 – 122.50.31.255 |
| 124.241.224.0/20 | 4,096 | 124.241.224.0 – 124.241.239.255 |
| 124.241.240.0/20 | 4,096 | 124.241.240.0 – 124.241.255.255 |
| 202.62.176.0/20 | 4,096 | 202.62.176.0 – 202.62.191.255 |
| 202.78.208.0/20 | 4,096 | 202.78.208.0 – 202.78.223.255 |
124.245.0.0/16 157.3.0.0/16 157.4.0.0/16 222.231.128.0/17 125.252.128.0/18 210.89.192.0/18 210.247.64.0/18 58.147.192.0/19 58.147.224.0/19 124.241.192.0/19 202.71.64.0/19 203.78.224.0/19 203.184.96.0/19 203.211.160.0/19 203.211.192.0/19 203.211.224.0/19 210.172.32.0/19 210.247.32.0/19 114.129.48.0/20 117.58.224.0/20 122.50.16.0/20 124.241.224.0/20 124.241.240.0/20 202.62.176.0/20 202.78.208.0/20
The 25 largest of 61. The API and the database have all of them.
IPv6 prefixes
2 prefixes- 2001:d70::/30
- 2001:350::/32
2001:d70::/30 2001:350::/32
Query AS7671 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS7671&key=YOUR_API_KEY"Any address in its prefixes resolves to AS7671, with or without a key:
curl "https://api.ipapi.is/?q=124.245.0.1"Largest networks in Japan
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