Dolphin IT-Systeme e.K.
Cluster stats
Netblocks22
All fragments 24 blocks across 2 clusters
Cluster ID191599452
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
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

IP Ranges (22)

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CIDR Org name Registry Status Confidence
185.118.196.0/24 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
185.118.196.0/22 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
185.118.197.0/24 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
185.118.198.0/24 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
185.118.199.0/24 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
213.170.142.0/24 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
2a06:9500::/29 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
2a06:9500:7::/48 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
2a06:9500:1001::/48 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
2a06:9500:1002::/48 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
2a06:9500:1003::/48 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
2a06:9500:1004::/48 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
2a06:9500:1005::/48 Dolphin IT-Systeme e.K. BGP ANNOUNCED ● high
185.1.54.0/24 Dolphin IT-Systeme e.K. RIPE ASSIGNED PI ● low
185.118.196.0/22 Dolphin IT-Systeme e.K. RIPE ALLOCATED PA ● low
188.40.16.43/32 DOLPHIN-IT-SYSTEME-EK RIPE ASSIGNED PA ● low
188.40.163.224/28 DOLPHIN-IT-SYSTEME-EK RIPE ASSIGNED PA ● low
213.170.142.0/24 Dolphin IT-Systeme e.K. RIPE ALLOCATED PA ● low
2001:7f8:95::/48 Dolphin IT-Systeme e.K. RIPE ASSIGNED PI ● low
2a01:4f8:221:2f87::/64 DOLPHIN-IT-SYSTEME-EK RIPE ASSIGNED ● low
2a01:4f8:221:f800::/56 DOLPHIN-IT-SYSTEME-EK RIPE ASSIGNED ● low
2a06:9500::/29 Dolphin IT-Systeme e.K. RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
90.9% of checked blocks have valid RPKI ROA coverage (20 of 22)
Possible discrepancies (1)

These blocks are registered to Dolphin IT-Systeme e.K. 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.

2a01:4f8:221:f800::/56 /56 authorized for AS24940 — Hetzner Online GmbH

NIC Handles

AS204028 DOLPHINIT-MNT DOLPHINIT-MNT DUMY-RIPE DUMY-RIPE HOS-GUN ORG-DIE3-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT