203.81.216.0/21 - BGP Prefix
IPv4RIPE NCCallocated RPKI Valid
CIDR
203.81.216.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇷🇺 Russia
RIR
RIPE NCC
Status
allocated
Allocated
2003-09-09
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| 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. | ||||
Related Announcements
1 less-specific, 2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.81.208.0/20 | AS206805 T1CLOUD-AS LLC "T1Cloud" | Valid | - | 2026-10-11 |
| 203.81.217.0/24 | AS206805 T1CLOUD-AS LLC "T1Cloud" | Valid | - | 2026-10-11 |
| 203.81.220.0/24 | AS206805 T1CLOUD-AS LLC "T1Cloud" | Valid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.81.208.0/20 | AS206805 | /24 | ripe |
Transfer History
Registry transfers of 203.81.216.0/21, blocks inside it, or blocks containing it.
- 203.81.216.0/21inter-RIRTransfer ·
Related Prefixes
Geolocation
Country🇷🇺RussiaRU
Coordinates61.5240, 105.3188 ↗
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/203.81.216.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.81.216.0/21" | jq
External Links