AS51191 XIRRA Core-Backbone GmbH
🇩🇪Org handle: ORG-IICG1-RIPE
RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
275total
8 IPv4267 IPv6
IPv4 Addresses
Allocated (RIR)5,120
Announced (BGP)7,424
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)6.3×10²⁹
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
1,000
Country
🇩🇪 DERIR
RIPE NCCStatus
allocated
Allocated
2011-02-07
Routing hygiene
Score 4/100 · Low riskRPKI ROA coverage
99.3%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
4
diversity 63/100
- No significant routing hygiene issues found
Based on 275 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Announced Prefixes
(BGP)275|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| No ROA | RIPE | 2026-10-26 | |
| No ROA | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 |
1-10 of 275
1 / 28
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 91.232.96.0/23 | 🇩🇪 DE | RIPENCC | assigned |
| 130.185.104.0/21 | 🇩🇪 DE | RIPENCC | allocated |
| 185.24.68.0/22 | 🇩🇪 DE | RIPENCC | allocated |
| 185.108.216.0/22 | 🇩🇪 DE | RIPENCC | allocated |
| 185.169.24.0/24 | 🇮🇹 IT | RIPE | assigned |
| 185.169.25.0/24 | 🇮🇹 IT | RIPE | assigned |
| 2a06:4b00::/29 | 🇩🇪 DE | RIPENCC | allocated |
All 275 announced prefixes of AS51191 →
BGP Neighbours
(seen in AS paths)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
- How to run an ASPA checkVerify the upstream providers listed above
- 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/51191Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/51191" | jq