192.174.128.0/20 - BGP Prefix
IPv4APNICassigned RPKI Valid
CIDR
192.174.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
assigned
Allocated
1992-07-17
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.174.128.0/17 | AS2907 SINET-AS - Research Organization of Information and Systems, National Institute of Informatics | Valid | - | 2026-10-13 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 192.174.128.0/17 | AS2907 | /32 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 192.174.128.0/24 | 🇯🇵JP | assigned | |
| 192.174.129.0/24 | 🇯🇵JP | assigned | |
| 192.174.130.0/24 | 🇯🇵JP | assigned | |
| 192.174.131.0/24 | 🇯🇵JP | assigned | |
| 192.174.132.0/24 | 🇯🇵JP | assigned | |
| 192.174.133.0/24 | 🇯🇵JP | assigned | |
| 192.174.134.0/24 | 🇯🇵JP | assigned | |
| 192.174.135.0/24 | 🇯🇵JP | assigned | |
| 192.174.136.0/24 | 🇯🇵JP | assigned | |
| 192.174.137.0/24 | 🇯🇵JP | assigned | |
| 192.174.138.0/24 | 🇯🇵JP | assigned | |
| 192.174.139.0/24 | 🇯🇵JP | assigned | |
| 192.174.140.0/24 | 🇯🇵JP | assigned | |
| 192.174.141.0/24 | 🇯🇵JP | assigned | |
| 192.174.142.0/24 | 🇯🇵JP | assigned | |
| 192.174.143.0/24 | 🇯🇵JP | assigned |
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/192.174.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/192.174.128.0/20" | jq
External Links