WERK21 GMBH
WERK21-GMBH
Registry
Cluster stats
Netblocks181
Cluster ID191537781
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution Registry record
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
181 0 netblocks since 2026-07-05
2026-07-05 peak 181 2026-07-06

IP Ranges (181)

showing 50 of 181 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
5.9.135.159/32 WERK21-GMBH RIPE ASSIGNED PA ● low
5.9.203.255/32 WERK21-GMBH RIPE ASSIGNED PA ● low
49.13.240.32/27 WERK21-GMBH RIPE ASSIGNED PA ● low
78.46.128.80/28 WERK21-GMBH RIPE ASSIGNED PA ● low
91.98.210.96/27 WERK21-GMBH RIPE ASSIGNED PA ● low
116.202.125.176/28 WERK21-GMBH RIPE ASSIGNED PA ● low
136.243.84.119/32 WERK21-GMBH RIPE LEGACY ● low
136.243.84.121/32 WERK21-GMBH RIPE LEGACY ● low
136.243.116.32/32 WERK21-GMBH RIPE LEGACY ● low
136.243.129.48/28 WERK21-GMBH RIPE LEGACY ● low
136.243.140.53/32 WERK21-GMBH RIPE LEGACY ● low
136.243.223.233/32 WERK21-GMBH RIPE LEGACY ● low
136.243.223.236/32 WERK21-GMBH RIPE LEGACY ● low
136.243.254.0/28 WERK21-GMBH RIPE LEGACY ● low
144.76.145.30/32 WERK21-GMBH RIPE LEGACY ● low
144.76.146.246/32 WERK21-GMBH RIPE LEGACY ● low
144.76.146.250/32 WERK21-GMBH RIPE LEGACY ● low
148.251.130.140/32 WERK21-GMBH RIPE LEGACY ● low
157.90.73.0/28 WERK21-GMBH RIPE LEGACY ● low
159.69.135.192/28 WERK21-GMBH RIPE ASSIGNED PA ● low
178.63.45.194/32 WERK21-GMBH RIPE ASSIGNED PA ● low
178.63.143.218/32 WERK21-GMBH RIPE ASSIGNED PA ● low
178.63.237.208/28 WERK21-GMBH RIPE ASSIGNED PA ● low
188.40.16.136/32 WERK21-GMBH RIPE ASSIGNED PA ● low
188.40.17.82/32 WERK21-GMBH RIPE ASSIGNED PA ● low
188.40.42.21/32 WERK21-GMBH RIPE ASSIGNED PA ● low
2a01:4f8:a0:1257::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:10a:1f0::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:10a:1fa0::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:10a:22ee::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:10a:2dc2::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:10a:3fd1::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:10b:11e3::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:120:5385::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:121:1e6::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:121:384::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:121:20dd::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:121:32e5::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:121:40e8::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:121:4429::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:13a:b53::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:13a:14d4::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:13b:a6b::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:13b:aa3::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:140:14cb::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:140:81e5::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:140:83d3::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:141:1421::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:141:5447::/64 WERK21-GMBH RIPE ASSIGNED ● low
2a01:4f8:150:41e1::/64 WERK21-GMBH RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
93.4% of checked blocks have valid RPKI ROA coverage (169 of 181)
No discrepancies found among checked blocks.

NIC Handles

DUMY-RIPE DUMY-RIPE HOS-GUN