Johannes Gutenberg-Universitaet Mainz

Data as of 2026-08-23
BGP inherited
Cluster stats
Netblocks18 · 333,059 IPv4 addresses
IPv6 4 prefixes (largest 2001:4c80::/32)
Cluster ID226914000
RegistryBGP
Customersfind 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