27.133.208.0/20 - BGP Prefix
IPv4APNICallocated
CIDR
27.133.208.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Shibuya City
RIR
APNIC
Status
allocated
Allocated
2010-04-21
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 27.133.208.0/20 | AS24284 | /24 | apnic |
Transfer History
Registry transfers of 27.133.208.0/20, blocks inside it, or blocks containing it.
- 27.133.208.0/20Transfer ·
- 27.133.192.0/19Transfer ·
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/27.133.208.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/27.133.208.0/20" | jq
External Links