200.203.0.0/20 - BGP Prefix
IPv4RIPE NCCallocated
CIDR
200.203.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇬🇧 United Kingdom
RIR
RIPE NCC
Status
allocated
Allocated
2025-03-13
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 200.203.0.0/21 | AS218844 | 🇺🇸US | assigned |
| 200.203.8.0/21 | AS218844 | 🇺🇸US | assigned |
Transfer History
Registry transfers of 200.203.0.0/20, blocks inside it, or blocks containing it.
- 200.203.0.0/20inter-RIRTransfer ·
- 200.203.0.0/20inter-RIRTransfer ·
Geolocation
Country🇬🇧United KingdomGB
Coordinates55.3781, -3.4360 ↗
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/200.203.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/200.203.0.0/20" | jq
External Links