Autonomous System
AS131921 GMO GlobalSign Holdings K.K.
HostingActiveJapanJPNIC
AS131921 (GMOCL) is a hosting network operated by GMO GlobalSign Holdings K.K. in Japan, registered with JPNIC. It has 55 IPv4 prefixes with 180,224 addresses and 13 IPv6 prefixes, which makes it the 1,421st largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses180,224in 55 prefixes
IPv6 prefixes13≈ 2.5 × 10²⁷ addresses
Size rank#1,421of 82,200 active ASNs
Details
OrganizationGMO GlobalSign Holdings K.K. · hosting provider profile
AS nameGMOCL
Websitewadax.ne.jp
Country Japan (JP)
Network typeHosting
RegistryJPNIC
Abuse contacthostmaster@idnic.net
Registered—
Last updated2020-11-06
IPv4 prefixes
55 prefixes · 180,224 addresses| Network | Addresses | First – last address |
|---|---|---|
| 153.122.0.0/16 | 65,536 | 153.122.0.0 – 153.122.255.255 |
| 153.122.0.0/20 | 4,096 | 153.122.0.0 – 153.122.15.255 |
| 153.122.16.0/20 | 4,096 | 153.122.16.0 – 153.122.31.255 |
| 153.122.32.0/20 | 4,096 | 153.122.32.0 – 153.122.47.255 |
| 153.122.48.0/20 | 4,096 | 153.122.48.0 – 153.122.63.255 |
| 153.122.64.0/20 | 4,096 | 153.122.64.0 – 153.122.79.255 |
| 153.122.80.0/20 | 4,096 | 153.122.80.0 – 153.122.95.255 |
| 153.122.96.0/20 | 4,096 | 153.122.96.0 – 153.122.111.255 |
| 153.122.112.0/20 | 4,096 | 153.122.112.0 – 153.122.127.255 |
| 153.122.128.0/20 | 4,096 | 153.122.128.0 – 153.122.143.255 |
| 153.122.144.0/20 | 4,096 | 153.122.144.0 – 153.122.159.255 |
| 153.122.160.0/20 | 4,096 | 153.122.160.0 – 153.122.175.255 |
| 153.122.176.0/20 | 4,096 | 153.122.176.0 – 153.122.191.255 |
| 153.122.192.0/20 | 4,096 | 153.122.192.0 – 153.122.207.255 |
| 153.122.208.0/20 | 4,096 | 153.122.208.0 – 153.122.223.255 |
| 153.122.224.0/20 | 4,096 | 153.122.224.0 – 153.122.239.255 |
| 153.122.240.0/20 | 4,096 | 153.122.240.0 – 153.122.255.255 |
| 153.123.0.0/20 | 4,096 | 153.123.0.0 – 153.123.15.255 |
| 153.124.128.0/20 | 4,096 | 153.124.128.0 – 153.124.143.255 |
| 180.222.176.0/20 | 4,096 | 180.222.176.0 – 180.222.191.255 |
| 210.158.32.0/20 | 4,096 | 210.158.32.0 – 210.158.47.255 |
| 133.117.152.0/21 | 2,048 | 133.117.152.0 – 133.117.159.255 |
| 153.123.16.0/21 | 2,048 | 153.123.16.0 – 153.123.23.255 |
| 153.124.144.0/21 | 2,048 | 153.124.144.0 – 153.124.151.255 |
| 180.131.136.0/21 | 2,048 | 180.131.136.0 – 180.131.143.255 |
153.122.0.0/16 153.122.0.0/20 153.122.16.0/20 153.122.32.0/20 153.122.48.0/20 153.122.64.0/20 153.122.80.0/20 153.122.96.0/20 153.122.112.0/20 153.122.128.0/20 153.122.144.0/20 153.122.160.0/20 153.122.176.0/20 153.122.192.0/20 153.122.208.0/20 153.122.224.0/20 153.122.240.0/20 153.123.0.0/20 153.124.128.0/20 180.222.176.0/20 210.158.32.0/20 133.117.152.0/21 153.123.16.0/21 153.124.144.0/21 180.131.136.0/21
The 25 largest of 55. The API and the database have all of them.
IPv6 prefixes
13 prefixes- 2406:a1c0:100::/40
- 2406:a1c0:200::/40
- 2406:a1c0:300::/40
- 2406:a1c0:400::/40
- 2406:a1c0:100::/41
- 2406:a1c0:180::/41
- 2406:a1c0:200::/41
- 2406:a1c0:280::/41
- 2406:a1c0:300::/41
- 2406:a1c0:380::/41
- 2406:a1c0:400::/41
- 2406:a1c0:480::/41
- 2406:a1c0:2::/48
2406:a1c0:100::/40 2406:a1c0:200::/40 2406:a1c0:300::/40 2406:a1c0:400::/40 2406:a1c0:100::/41 2406:a1c0:180::/41 2406:a1c0:200::/41 2406:a1c0:280::/41 2406:a1c0:300::/41 2406:a1c0:380::/41 2406:a1c0:400::/41 2406:a1c0:480::/41 2406:a1c0:2::/48
Query AS131921 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=AS131921&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS131921, with or without a key:
curl "https://api.ipapi.is/?q=153.122.0.1"
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