2a01:4fc0::/32 - CSL Computer Service Langenbach (AS5517)
CIDR
2a01:4fc0::/32
IP Version
IPv6
Addresses
79228.1Y
Mask
/32
Country
🇩🇪 Germany
City
Düsseldorf (Stadtbezirk 04)
RIR
RIPE NCC
Status
allocated
Allocated
2012-05-31
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. | ||||
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a01:4fc0::/34 | AS5517 CSL CSL Computer Service Langenbach GmbH | Valid | - | 2026-10-12 |
Related Prefixes
More prefixes of AS5517
All prefixes of AS5517 →Geolocation
Country🇩🇪GermanyDE
RegionNorth Rhine-Westphalia
CityDüsseldorf (Stadtbezirk 04)
Coordinates51.2392, 6.7249 ↗
Abuse Contact
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/2a01:4fc0::/32Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a01:4fc0::/32" | jq
External Links