161.51.128.0/18 - BGP Prefix
IPv4RIPE NCCallocatedNo ROA
CIDR
161.51.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇩🇪 Germany
City
Frankfurt am Main
RIR
RIPE NCC
Status
allocated
Allocated
1992-05-27
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
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.51.128.0/24 | AS208162 ATHENE-ABC Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | No ROA | - | 2026-10-11 |
| 161.51.130.0/24 | AS208162 ATHENE-ABC Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | No ROA | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 161.51.128.0/22 | 🇩🇪DE | assigned |
Transfer History
Registry transfers of 161.51.128.0/18, blocks inside it, or blocks containing it.
- 161.51.128.0/18inter-RIRTransfer ·
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/161.51.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/161.51.128.0/18" | jq
External Links