Autonomous System
AS131916 Tokyo Bay Network Co.,Ltd.
ISPActiveJapanJPNIC
AS131916 (BAYNET) is an ISP network operated by Tokyo Bay Network Co.,Ltd. in Japan, registered with JPNIC. It has 12 IPv4 prefixes with 30,720 addresses and 1 IPv6 prefix, which makes it the 5,485th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses30,720in 12 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#5,485of 82,200 active ASNs
Details
OrganizationTokyo Bay Network Co.,Ltd.
AS nameBAYNET
Websitetokyobaynet.co.jp
Country Japan (JP)
Network typeISP
RegistryJPNIC
Abuse contacthostmaster@idnic.net
Registered—
Last updated2017-04-26
IPv4 prefixes
12 prefixes · 30,720 addresses| Network | Addresses | First – last address |
|---|---|---|
| 163.131.128.0/18 | 16,384 | 163.131.128.0 – 163.131.191.255 |
| 157.65.216.0/21 | 2,048 | 157.65.216.0 – 157.65.223.255 |
| 202.16.104.0/21 | 2,048 | 202.16.104.0 – 202.16.111.255 |
| 202.247.184.0/21 | 2,048 | 202.247.184.0 – 202.247.191.255 |
| 103.91.4.0/22 | 1,024 | 103.91.4.0 – 103.91.7.255 |
| 163.131.112.0/22 | 1,024 | 163.131.112.0 – 163.131.115.255 |
| 163.131.116.0/22 | 1,024 | 163.131.116.0 – 163.131.119.255 |
| 163.131.120.0/22 | 1,024 | 163.131.120.0 – 163.131.123.255 |
| 163.131.124.0/22 | 1,024 | 163.131.124.0 – 163.131.127.255 |
| 202.247.136.0/22 | 1,024 | 202.247.136.0 – 202.247.139.255 |
| 202.247.140.0/22 | 1,024 | 202.247.140.0 – 202.247.143.255 |
| 219.100.12.0/22 | 1,024 | 219.100.12.0 – 219.100.15.255 |
163.131.128.0/18 157.65.216.0/21 202.16.104.0/21 202.247.184.0/21 103.91.4.0/22 163.131.112.0/22 163.131.116.0/22 163.131.120.0/22 163.131.124.0/22 202.247.136.0/22 202.247.140.0/22 219.100.12.0/22
IPv6 prefixes
1 prefix- 2400:5b60::/32
2400:5b60::/32
Query AS131916 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=AS131916&key=YOUR_API_KEY"Any address in its prefixes resolves to AS131916, with or without a key:
curl "https://api.ipapi.is/?q=163.131.128.1"Largest networks in Japan
AS17676 SoftBank Mobile Corp.49,061,888 IPv4 addressesAS4713 NTT DOCOMO BUSINESS,Inc.28,624,896 IPv4 addressesAS2516 KDDI CORPORATION18,152,448 IPv4 addressesAS9824 JCOM Co., Ltd.10,315,776 IPv4 addressesAS2907 Authoritative information regarding AS Number8,960,512 IPv4 addressesAS17506 UCOM Corp.5,508,096 IPv4 addresses