Johannes Gutenberg-Universitaet Mainz
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 18 · 333,059 IPv4 addresses |
| IPv6 | 4 prefixes (largest 2001:4c80::/32) |
| Cluster ID | 226914000 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
9 weekly snapshots · JSON
21
+2 netblocks since 2026-07-05
2026-07-05
peak 21
2026-08-23
IP Ranges (18)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.69.146.134/32 | Johannes Gutenberg-Universitaet Mainz | PEERINGDB | ASSIGNED | ● high |
| 80.81.192.8/32 | Johannes Gutenberg-Universitaet Mainz | PEERINGDB | ASSIGNED | ● high |
| 80.81.194.145/32 | Johannes Gutenberg-Universitaet Mainz | PEERINGDB | ASSIGNED | ● high |
| 134.93.0.0/16 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 136.199.0.0/16 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 139.14.0.0/16 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 141.26.0.0/16 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 143.93.0.0/16 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 192.67.218.0/24 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 192.124.238.0/24 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 193.30.18.0/24 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 193.43.29.0/24 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 217.198.240.0/20 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 2001:7f8::b29:0:1/128 | Johannes Gutenberg-Universitaet Mainz | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8::b29:0:2/128 | Johannes Gutenberg-Universitaet Mainz | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:8:20:0:b29:0:1/128 | Johannes Gutenberg-Universitaet Mainz | PEERINGDB | ASSIGNED | ● high |
| 2001:4c80::/32 | Johannes Gutenberg-Universitaet Mainz | BGP | ANNOUNCED | ● high |
| 192.54.139.0/24 | Johannes Gutenberg-Universitaet Mainz | RIPE | LEGACY | ● low |
IPv6 ranges (4)
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: D
how networks compare →
28.6%
of checked blocks have valid RPKI ROA coverage
(6 of 21)
No discrepancies found among checked blocks.
NIC Handles
AS2857
AS2857
AS2857-MNT
AS2857-MNT
AS8450-MNT
DUMY-RIPE
DUMY-RIPE
ORG-JGM3-RIPE
RIPE-NCC-HM-MNT