Stefan Dunkel
Cluster stats
Netblocks21
All fragments 312 blocks across 141 clusters
Cluster ID191730675
RegistryPEERINGDB
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (21)

⬇ export CSV
CIDR Org name Registry Status Confidence
80.81.195.243/32 Stefan Dunkel PEERINGDB ASSIGNED ● high
185.1.59.140/32 Stefan Dunkel PEERINGDB ASSIGNED ● high
185.1.125.182/32 Stefan Dunkel PEERINGDB ASSIGNED ● high
185.1.155.3/32 Stefan Dunkel PEERINGDB ASSIGNED ● high
185.1.166.111/32 Stefan Dunkel PEERINGDB ASSIGNED ● high
185.1.170.254/32 Stefan Dunkel PEERINGDB ASSIGNED ● high
193.189.82.190/32 Stefan Dunkel PEERINGDB ASSIGNED ● high
193.239.118.143/32 Stefan Dunkel PEERINGDB ASSIGNED ● high
2001:7f8::be06:0:1/128 Stefan Dunkel PEERINGDB ASSIGNED ● high
2001:7f8:13::a504:8646:1/128 Stefan Dunkel PEERINGDB ASSIGNED ● high
2001:7f8:33::a04:8646:1/128 Stefan Dunkel PEERINGDB ASSIGNED ● high
2001:7f8:9e::be06:0:1/128 Stefan Dunkel PEERINGDB ASSIGNED ● high
2001:7f8:cc:333::140/128 Stefan Dunkel PEERINGDB ASSIGNED ● high
2001:7f8:d0::be06:1/128 Stefan Dunkel PEERINGDB ASSIGNED ● high
2001:7f8:f2:e1:0:a124:8646:1/128 Stefan Dunkel PEERINGDB ASSIGNED ● high
2a0c:b641:701:0:a5:48:646:1/128 Stefan Dunkel PEERINGDB ASSIGNED ● high
2a0e:aa01:ab02::/48 Stefan Dunkel RIPE ASSIGNED ● high
194.77.85.0/27 STEFAN-DE RIPE ASSIGNED PA ● low
2a01:4f8:10b:9a1::/64 STEFAN-DAU RIPE ASSIGNED ● low
2a01:4f8:120:800a::/64 STEFAN-JUD RIPE ASSIGNED ● low
2a0f:5707:aac0::/44 Stefan Dunkel RIPE ALLOCATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
76.2% of checked blocks have valid RPKI ROA coverage (16 of 21)
Possible discrepancies (2)

These blocks are registered to Stefan Dunkel but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0f:5707:aac0::/44 /44 authorized for AS48646 — SDRmedia Verwaltungs GmbH
2a0e:aa01:ab02::/48 /48 authorized for AS48646 — SDRmedia Verwaltungs GmbH

NIC Handles

AS48646 DUMY-RIPE DUMY-RIPE HOS-GUN MNT-VSERVER ORG-SD230-RIPE ORG-SN276-RIPE SN6353-RIPE VIADE-MNT stefan6