202.235.128.0/19 - Research Organization Of Information And Systems, National Institute Of Informatics (AS2907)
IPv4APNICannouncedAS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics RPKI Valid
CIDR
202.235.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇯🇵 Japan
City
Setagaya City (Seijō)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.235.128.0/19 | AS2907 SINET-AS - Research Organization of Information and Systems, National Institute of Informatics | Valid | - | 2026-10-13 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.235.128.0/18 | 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 |
|---|---|---|---|
| 202.235.128.0/18 | AS2907 | /32 | apnic |
Origin ASN
AS2907
SINET-AS - Research Organization of Information and Systems, National Institute of Informatics
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/202.235.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/202.235.128.0/19" | jq
External Links