AS2857 Johannes Gutenberg-Universitaet Mainz 🇩🇪 DE
Announcing 11 prefixes, seen at the RIS collectors.
IPv4 prefixes
10
332,800 (1,300 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
6
transit providers observed
Peers
6
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS2857
- Name
- Johannes Gutenberg-Universitaet Mainz
- Organisation
- Johannes Gutenberg-Universitaet Mainz
- Country
- 🇩🇪 DE
- RIR
- RIPENCC
- Allocated
- 1993-12-27
- Network type
- Educational/Research
- Traffic levels
- 10-20Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-RLP-NET
- Website
- http://www.uni-mainz.de
- Looking glass
- http://www.rlp-net.net
- PeeringDB
- net/1641
- Exchanges
- 2
- Facilities
- 2
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
11 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 134.93.0.0/16 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 136.199.0.0/16 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 139.14.0.0/16 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 141.26.0.0/16 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 143.93.0.0/16 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 192.67.218.0/24 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 192.124.238.0/24 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 193.30.18.0/24 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 193.43.29.0/24 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 217.198.240.0/20 v4 | no ROA | 48 | 345492857 | 2026-09-18 |
| 2001:4c80::/32 v6 | no ROA | 38 | 345492857 | 2026-09-18 |