Autonomous System
AS2522 PPP EXP
BusinessActiveJapanJPNIC
AS2522 (PPP-EXP) is a business network operated by PPP EXP in Japan, registered with JPNIC. It has 15 IPv4 prefixes with 229,120 addresses, which makes it the 1,163rd largest of 82,534 active autonomous systems by IPv4 space.
IPv4 addresses229,120in 15 prefixes
IPv6 prefixes0none
Size rank#1,163of 82,534 active ASNs
Details
OrganizationPPP EXP
AS namePPP-EXP
Website—
Country Japan (JP)
Network typeBusiness
RegistryJPNIC
Abuse contact—
Registered—
Last updated2026-08-25
IPv4 prefixes
15 prefixes · 229,120 addresses| Network | Addresses | First – last address |
|---|---|---|
| 133.112.0.0/16 | 65,536 | 133.112.0.0 – 133.112.255.255 |
| 150.41.0.0/16 | 65,536 | 150.41.0.0 – 150.41.255.255 |
| 158.200.0.0/16 | 65,536 | 158.200.0.0 – 158.200.255.255 |
| 211.1.0.0/19 | 8,192 | 211.1.0.0 – 211.1.31.255 |
| 203.179.64.0/20 | 4,096 | 203.179.64.0 – 203.179.79.255 |
| 210.134.208.0/20 | 4,096 | 210.134.208.0 – 210.134.223.255 |
| 218.231.16.0/20 | 4,096 | 218.231.16.0 – 218.231.31.255 |
| 219.101.112.0/20 | 4,096 | 219.101.112.0 – 219.101.127.255 |
| 220.213.240.0/20 | 4,096 | 220.213.240.0 – 220.213.255.255 |
| 61.122.16.0/22 | 1,024 | 61.122.16.0 – 61.122.19.255 |
| 103.210.108.0/22 | 1,024 | 103.210.108.0 – 103.210.111.255 |
| 202.210.56.0/22 | 1,024 | 202.210.56.0 – 202.210.59.255 |
| 192.47.97.0/24 | 256 | 192.47.97.0 – 192.47.97.255 |
| 192.50.235.0/24 | 256 | 192.50.235.0 – 192.50.235.255 |
| 203.178.8.0/24 | 256 | 203.178.8.0 – 203.178.8.255 |
133.112.0.0/16 150.41.0.0/16 158.200.0.0/16 211.1.0.0/19 203.179.64.0/20 210.134.208.0/20 218.231.16.0/20 219.101.112.0/20 220.213.240.0/20 61.122.16.0/22 103.210.108.0/22 202.210.56.0/22 192.47.97.0/24 192.50.235.0/24 203.178.8.0/24
IPv6 prefixes
No IPv6 prefixes.
Query AS2522 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=AS2522&key=YOUR_API_KEY"Any address in its prefixes resolves to AS2522, with or without a key:
curl "https://api.ipapi.is/?q=133.112.0.1"Largest networks in Japan
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