101.203.64.0/18 - BGP Prefix
IPv4APNICnot announced RPKI Invalid
CIDR
101.203.64.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
not announced
Allocated
-
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 |
|---|---|---|---|---|
| 101.203.74.0/24 | AS7713 telkomnet-as-ap - PT Telekomunikasi Indonesia | Invalid | - | 2026-10-13 |
| 101.203.84.0/23 | AS54890 BBIX-USA-NET - BBIX USA, INC. | Valid | - | 2026-10-13 |
| 101.203.88.0/22 | AS7713 telkomnet-as-ap - PT Telekomunikasi Indonesia | Invalid | - | 2026-10-13 |
| 101.203.88.0/22 | AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited | Invalid | - | 2026-10-13 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 101.203.64.0/20 | 🇯🇵JP | allocated | |
| 101.203.80.0/22 | 🇯🇵JP | allocated | |
| 101.203.84.0/23 | AS54890 | 🇺🇸US | allocated |
| 101.203.86.0/23 | 🇯🇵JP | allocated | |
| 101.203.88.0/21 | 🇯🇵JP | allocated | |
| 101.203.96.0/19 | 🇯🇵JP | allocated |
Transfer History
Registry transfers of 101.203.64.0/18, blocks inside it, or blocks containing it.
- 101.203.84.0/23inter-RIRTransfer ·
- 101.203.64.0/18Transfer ·
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/101.203.64.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/101.203.64.0/18" | jq
External Links