217.138.252.0/22 - BGP Prefix
IPv4RIPE NCCallocatedNo ROA
CIDR
217.138.252.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Shinagawa (Higashishinagawa)
RIR
RIPE NCC
Status
allocated
Allocated
2001-01-31
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 announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 217.138.252.0/24 | AS9009 M247 M247 Europe SRL | No ROA | - | 2026-10-15 |
| 217.138.253.0/24 | AS9009 M247 M247 Europe SRL | No ROA | - | 2026-10-15 |
| 217.138.254.0/24 | AS9009 M247 M247 Europe SRL | No ROA | - | 2026-10-15 |
| 217.138.255.0/24 | AS9009 M247 M247 Europe SRL | No ROA | - | 2026-10-15 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 217.138.252.0/24 | AS9009 | 🇯🇵JP | assigned |
| 217.138.253.0/24 | AS9009 | 🇬🇧GB | assigned |
| 217.138.254.0/24 | AS9009 | 🇬🇧GB | assigned |
| 217.138.255.0/24 | AS9009 | 🇺🇸US | assigned |
Transfer History
Registry transfers of 217.138.252.0/22, blocks inside it, or blocks containing it.
- 217.138.252.0/22Transfer ·
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 RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/217.138.252.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/217.138.252.0/22" | jq
External Links