201.51.16.0/20 - BGP Prefix
IPv4RIPEassigned RPKI Valid
CIDR
201.51.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇩🇪 Germany
City
Frankfurt Am Main
RIR
RIPE
Status
assigned
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
16 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 201.51.16.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.17.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.18.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.19.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.20.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.21.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.22.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.23.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.24.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.25.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.26.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.27.0/24 | AS210976 TWC-EU Timeweb, LLP | Valid | - | 2026-10-11 |
| 201.51.28.0/24 | AS57494 ADMAN-AS Adman LLC | Valid | - | 2026-10-11 |
| 201.51.29.0/24 | AS57494 ADMAN-AS Adman LLC | Valid | - | 2026-10-11 |
| 201.51.30.0/24 | AS57494 ADMAN-AS Adman LLC | Valid | - | 2026-10-11 |
| 201.51.31.0/24 | AS57494 ADMAN-AS Adman LLC | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 201.51.16.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.17.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.18.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.19.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.20.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.21.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.22.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.23.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.24.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.25.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.26.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.27.0/24 | AS210976 | 🇳🇱NL | assigned |
| 201.51.28.0/24 | AS57494 | 🇷🇺RU | assigned |
| 201.51.29.0/24 | AS57494 | 🇷🇺RU | assigned |
| 201.51.30.0/24 | AS57494 | 🇷🇺RU | assigned |
| 201.51.31.0/24 | AS57494 | 🇷🇺RU | assigned |
Transfer History
Registry transfers of 201.51.16.0/20, blocks inside it, or blocks containing it.
- 201.51.0.0/19inter-RIRTransfer ·
- 201.51.0.0/19inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 201.51.0.0/19inter-RIR | Transfer | |||
| 201.51.0.0/19inter-RIR | Transfer |
Geolocation
Country🇩🇪GermanyDE
CityFrankfurt Am Main
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/201.51.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/201.51.16.0/20" | jq
External Links