AS51191 Core-Backbone GmbH 🇩🇪 DE
Announcing 265 prefixes, seen at the RIS collectors.
IPv4 prefixes
8
7,424 (29 × /24)
IPv6 prefixes
257
8 × /32
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS51191
- Name
- Core-Backbone GmbH
- Organisation
- Xirra
- Country
- 🇩🇪 DE
- RIR
- RIPENCC
- Allocated
- 2011-02-07
- Scope
- Not Disclosed
- Peering policy
- Selective
- IRR as-set
- AS-XIRRA
- Website
- https://www.xirra.net
- PeeringDB
- net/13187
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
8 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 91.232.96.0/23 v4 | RPKI valid | 43 | 377213389151191 | 2026-09-18 |
| 130.185.104.0/21 v4 | RPKI valid | 43 | 377213389151191 | 2026-09-18 |
| 185.24.68.0/22 v4 | RPKI valid | 43 | 377213389151191 | 2026-09-18 |
| 185.108.216.0/22 v4 | RPKI valid | 43 | 377213389151191 | 2026-09-18 |
| 185.169.24.0/24 v4 | no ROA | 43 | 377213389151191 | 2026-09-18 |
| 185.169.25.0/24 v4 | no ROA | 43 | 377213389151191 | 2026-09-18 |
| 195.138.240.0/21 v4 | RPKI valid | 43 | 377213389151191 | 2026-09-18 |
| 195.138.244.0/24 v4 | RPKI valid | 44 | 377213389151191 | 2026-09-18 |