AS5501 Fraunhofer-Cluster-BW Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
🇩🇪Org handle: ORG-FzFd2-RIPE
Research Institutes spread all over Germany
RIPE NCCallocated
Announced Prefixes (BGP)
51total
38 IPv413 IPv6
IPv4 Addresses
Allocated (RIR)101,632
Announced (BGP)147,712
IPv6 Addresses
Allocated (RIR)1.3×10²⁵
Announced (BGP)1.5×10²⁵
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
50
Country
🇩🇪 DERIR
RIPE NCCStatus
allocated
Allocated
1995-12-15
Announced Prefixes
(BGP)51|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 |
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Allocated Prefixes
(RIR)26Prefix | Country | RIR | Status |
|---|---|---|---|
| 129.233.0.0/17 | 🇩🇪 DE | RIPE | assigned |
| 129.233.163.0/24 | 🇩🇪 DE | RIPE | assigned |
| 137.251.0.0/16 | 🇩🇪 DE | RIPENCC | assigned |
| 153.96.18.0/24 | 🇩🇪 DE | RIPE | assigned |
| 153.96.19.0/24 | 🇩🇪 DE | RIPE | assigned |
| 153.97.11.0/24 | 🇩🇪 DE | RIPE | assigned |
| 192.42.63.0/24 | 🇩🇪 DE | RIPENCC | assigned |
| 192.42.64.0/24 | 🇩🇪 DE | RIPENCC | assigned |
| 192.44.0.0/24 | 🇩🇪 DE | RIPENCC | assigned |
| 192.44.1.0/24 | 🇩🇪 DE | RIPENCC | assigned |
1-10 of 26
1 / 3
ASPA
No ASPA
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS5501 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/5501Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/5501" | jq