Johannes Gutenberg-Universitaet Mainz
AS2857 is Johannes Gutenberg-Universitaet Mainz (uni-mainz.de). It announces 332,800 IPv4 addresses in 10 prefixes, and 1 IPv6 prefixes.
Germany· RIPE· allocated 1993-12-27· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Germany332,800 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- RLP-NET
- name
- Johannes Gutenberg-Universitaet Mainz
- org
- ORG-JGM3-RIPE
- org name
- Johannes Gutenberg-Universitaet Mainz
- org address
- ANSELM-FRANZ-VON-BENTZEL WEG 12, 55099, MAINZ, GERMANY
- org country
- DE
- country
- DE
- source
- ripe
- status
- ASSIGNED
- created
- 2002-09-05
- updated
- 2020-08-31
- remarks
- Educational Network of Rhineland-Palatinate / Universitaet Mainz mit Hochschulen in RLP / Mainz Germany
- maintainer
- RIPE-NCC-END-MNT|AS2857-MNT
- abuse name
- NOC Uni Mainz
- abuse email
- abuse@Uni-Mainz.DE
- abuse phone
- +49 6131 39 26407
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP228watchguard0.07%
- geonode, anyip, floppydata0.05%
- None here
- None here
- None here
- None here
- Hosting IP11,7763.54%
- None here
- None here
- None here
- SSH IP1970.06%
- SMTP IP290.01%
- 0.02%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 134.93.0.0/16 | Germany | not found | 18 | 2026-10-02 |
| 136.199.0.0/16 | Germany | not found | 18 | 2026-10-02 |
| 139.14.0.0/16 | Germany | not found | 18 | 2026-10-02 |
| 141.26.0.0/16 | Germany | not found | 18 | 2026-10-02 |
| 143.93.0.0/16 | Germany | not found | 18 | 2026-10-02 |
| 192.67.218.0/24 | Germany | not found | 18 | 2026-10-02 |
| 192.124.238.0/24 | Germany | not found | 18 | 2026-10-02 |
| 193.30.18.0/24 | Germany | not found | 18 | 2026-10-02 |
| 193.43.29.0/24 | Germany | not found | 18 | 2026-10-02 |
| 217.198.240.0/20 | Germany | not found | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:4c80::/32 | Germany | not found | 20 | 2026-10-02 |
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