TKRZ Stadtwerke GmbH

TKRZ-NET
Data as of 2026-09-20
BGP inherited
This organisation
Netblocks21 · 308 IPv4 addresses
IPv6 2 prefixes (largest 2a02:f08:d:3::/64)
Also registered under this name 76 netblocks across 6 separate records
Record ID240911643
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (21)

⬇ export CSV
CIDR Org name Registry Status Confidence
91.190.224.104/29 TKRZ-NET RIPE ASSIGNED PA ● low
91.190.226.16 – 91.190.226.39 TKRZ-NET RIPE ASSIGNED PA ● low
91.190.226.224/29 TKRZ-NET RIPE ASSIGNED PA ● low
91.190.227.32/29 TKRZ-NET RIPE ASSIGNED PA ● low
91.190.227.192/29 TKRZ-NET RIPE ASSIGNED PA ● low
91.190.228.192/29 TKRZ-NET RIPE ASSIGNED PA ● low
91.190.229.96/27 TKRZ-NET RIPE ASSIGNED PA ● low
185.64.168.0/26 TKRZ-NET RIPE ASSIGNED PA ● low
185.64.168.64/27 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.248.128/29 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.249.104/29 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.249.144/30 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.250.112/29 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.250.128/29 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.252.0/29 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.252.16/29 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.252.48/28 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.253.96/29 TKRZ-NET RIPE ASSIGNED PA ● low
188.64.253.112 – 188.64.253.151 TKRZ-NET RIPE ASSIGNED PA ● low
2a02:f08:d:3::/64 TKRZ-NET RIPE ASSIGNED ● low
2a02:f08:d:508::/64 TKRZ-NET RIPE ASSIGNED ● low

IPv6 ranges (2)

CIDR
2a02:f08:d:3::/64
2a02:f08:d:508::/64

Footprint over time

13 weekly snapshots · JSON
21 0 netblocks since 2026-07-05
2026-07-05 peak 21 2026-09-20

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (21 of 21)
No discrepancies found among checked blocks.

NIC Handles

DUMY-RIPE DUMY-RIPE MNT-TKRZ MNT-tkrz