Karlsruhe Institute of Technology

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks36 · 206,128 IPv4 addresses
IPv6 13 prefixes (largest 2a00:1398::/29)
All fragments 46 blocks across 2 clusters
Cluster ID222377489
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 17 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

8 weekly snapshots · JSON
45 0 netblocks since 2026-07-05
2026-07-05 peak 45 2026-08-16

IP Ranges (36)

⬇ export CSV
CIDR Org name Registry Status Confidence
37.16.66.88/29 Karlsruhe Institute of Technology RIPE ASSIGNED PA ● high
85.115.28.64/30 Karlsruhe Institute of Technology RIPE ASSIGNED PA ● high
85.115.29.116/30 Karlsruhe Institute of Technology RIPE ASSIGNED PA ● high
129.13.0.0/16 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
141.3.0.0/16 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
141.52.0.0/16 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
157.180.228.0/22 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
157.180.232.0/22 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
185.237.152.0/24 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
185.237.153.0/24 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
192.67.189.0/24 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
192.108.45.0/24 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
192.108.46.0/23 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
192.108.68.0/24 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
193.196.32.0/20 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
2001:678:da0::/48 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
2001:678:da4::/48 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
2001:678:da8::/48 Karlsruhe Institute of Technology RIPE ASSIGNED PI ● high
2001:678:dac::/48 Karlsruhe Institute of Technology RIPE ASSIGNED PI ● high
2001:7c0:2310::/44 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
2a00:1398::/29 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
2a00:1398::/32 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
2a00:139b::/32 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
2a00:139c::/32 Karlsruhe Institute of Technology BGP ANNOUNCED ● high
2a02:788:a:1e00::/56 Karlsruhe Institute of Technology RIPE ASSIGNED ● high
2a02:788:22::/48 Karlsruhe Institute of Technology RIPE ASSIGNED ● high
192.108.46.0/24 Karlsruhe Institute of Technology RIPE LEGACY ● medium
192.108.47.0/24 Karlsruhe Institute of Technology RIPE LEGACY ● medium
141.70.44.0/23 Karlsruhe Institute of Technology RIPE LEGACY ● low
141.70.81.0/24 Karlsruhe Institute of Technology RIPE LEGACY ● low
157.180.228.0 – 157.180.235.255 Karlsruhe Institute of Technology RIPE LEGACY ● low
185.1.189.0/24 Karlsruhe Institute of Technology RIPE ASSIGNED PI ● low
185.237.152.0/22 Karlsruhe Institute of Technology RIPE ALLOCATED PA ● low
195.37.187.128/27 Karlsruhe Institute of Technology RIPE ASSIGNED PA ● low
2001:7c7:2000::/40 Karlsruhe Institute of Technology RIPE ALLOCATED-BY-LIR ● low
2001:7f8:103::/48 Karlsruhe Institute of Technology RIPE ASSIGNED PI ● low

IPv6 ranges (13)

CIDR
2a00:1398::/29
2a00:1398::/32
2a00:139b::/32
2a00:139c::/32
2001:7c7:2000::/40
2001:7c0:2310::/44
2001:678:da0::/48
2001:678:da4::/48
2001:678:da8::/48
2001:678:dac::/48
2001:7f8:103::/48
2a02:788:22::/48
2a02:788:a:1e00::/56

Domains hosted in this network

what's this?
kit.edu asta-kit.de

Network trust

what's this?
RPKI hygiene: A how networks compare →
95.6% of checked blocks have valid RPKI ROA coverage (43 of 45)
Possible discrepancies (6)

These blocks are registered to Karlsruhe Institute of Technology but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:7c7:2000::/40 /40 authorized for AS553 — Universitaet Stuttgart
2a02:788:22::/48 /48 authorized for AS12843 — TelemaxX Telekommunikation GmbH
2a02:788:a:1e00::/56 /56 authorized for AS12843 — TelemaxX Telekommunikation GmbH
141.70.44.0/23 /23 authorized for AS553 — Universitaet Stuttgart
141.70.81.0/24 /24 authorized for AS553 — Universitaet Stuttgart
192.67.189.0/24 /24 authorized for AS553 — Universitaet Stuttgart

NIC Handles

AS204680 AS213068 AS34878 AS58069 BELWUE-MNT BELWUE-MNT DFN-LIR-MNT DUMY-RIPE DUMY-RIPE MNT-KIT-EDU MNT-KIT-EDU ORG-KIOT3-RIPE +5 more