Johanniter Competence Center GmbH

Data as of 2026-08-23
BGP inherited
Cluster stats
Netblocks5 · 272 IPv4 addresses
IPv6 1 prefix (largest 2003:d2:9015::/48)
Cluster ID227514179
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 7 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (5)

⬇ export CSV
CIDR Org name Registry Status Confidence
91.220.125.0/24 Johanniter Competence Center GmbH RIPE ASSIGNED PI ● high
87.130.41.224/29 JOHANNITER-COMPETENCE-CENTER-BERLIN-NET RIPE ASSIGNED PA ● low
91.137.38.160/30 JOHANNITER-NET1 RIPE ASSIGNED PA ● low
91.137.38.164/30 JOHANNITER-NET2 RIPE ASSIGNED PA ● low
2003:d2:9015::/48 JOHANNITER-COMPETENCE-CENTER-BERLIN-NET RIPE ASSIGNED ● low

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: B how networks compare →
80.0% of checked blocks have valid RPKI ROA coverage (4 of 5)
Possible discrepancies (1)

These blocks are registered to Johanniter Competence Center GmbH 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.

2003:d2:9015::/48 /48 authorized for AS3320 — Deutsche Telekom AG

NIC Handles

DTAG-NIC DUMY-RIPE DUMY-RIPE JCC-MNT MNT-TNETKOM ORG-JCCG1-RIPE RIPE-NCC-END-MNT