Chaos Computer Club e.V.

Data as of 2026-09-27
BGP inherited
Complete entity footprint
2 linked clusters · 57 netblocks · 13,981 IPv4 addresses · 30 IPv6 prefixes
This organisation's clusters combined by evidence — shared operating domain ccc.de — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
This organisation
Netblocks50 · 10,909 IPv4 addresses
IPv6 25 prefixes (largest 2a02:8000::/31)
Registered in Germany (23) · Austria (1) · Bulgaria (1) · CY (1) · Netherlands (1)
Record ID245730171
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 31 shared RIR contact/maintainer handles
Registry names 17 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (50)

⬇ export CSV
CIDR Org name Registry Status Confidence
62.69.146.11/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
80.81.194.87/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
82.195.73.0/26 Chaos Computer Club Darmstadt e.V. RIPE ASSIGNED PA ● high
94.45.224.0/19 Chaos Computer Club Veranstaltungsgesellschaft mbH RIPE ASSIGNED PI ● high
185.1.74.10/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
185.1.74.63/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
185.106.84.0/22 Chaos Computer Club e.V. RIPE ALLOCATED PA ● high
185.106.84.0/23 Chaos Computer Club e.V. BGP ANNOUNCED ● high
185.106.87.0/24 Chaos Computer Club e.V. BGP ANNOUNCED ● high
193.23.244.0/24 Chaos Computer Club e.V. BGP ANNOUNCED ● high
193.42.155.28/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
193.56.133.160/29 Chaos Computer Club Cologne (C4) e.V. RIPE ASSIGNED PA ● high
193.178.185.105/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
193.178.185.124/32 Chaos Computer Club Event Network PEERINGDB ASSIGNED ● high
193.239.117.108/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
194.9.117.48/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
194.59.190.88/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
194.146.118.76/32 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
195.54.164.0/23 Chaos Computer Club e.V. BGP ANNOUNCED ● high
195.160.172.0/24 Chaos Computer Club Berlin e.V. BGP ANNOUNCED ● high
195.160.172.0/23 Chaos Computer Club Berlin e.V. RIPE ASSIGNED PI ● high
195.160.173.0/24 Chaos Computer Club e.V. BGP ANNOUNCED ● high
2001:678:558::/48 Chaos Computer Club e.V. BGP ANNOUNCED ● high
2001:678:560::/48 Chaos Computer Club Berlin e.V. RIPE ASSIGNED PI ● high
2001:678:760::/48 Chaos Computer Club e.V. BGP ANNOUNCED ● high
2001:67c:20a0::/48 Chaos Computer Club e.V. BGP ANNOUNCED ● high
2001:67c:2ed8::/48 Chaos Computer Club Darmstadt e.V. BGP ANNOUNCED ● high
2001:7f8::c528:0:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:8::c528:0:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:8:5:0:c528:0:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:8:10:0:c528:0:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:8:20:0:c528:0:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:13::a505:472:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:19:1::32dc:1/128 Chaos Computer Club Event Network PEERINGDB ASSIGNED ● high
2001:7f8:19:1::c528:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:2c:1000:0:c528:0:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:a5::5:472:1/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2001:7f8:a5::5:472:2/128 Chaos Computer Club e.V. PEERINGDB ASSIGNED ● high
2a02:8000::/32 Chaos Computer Club e.V. BGP ANNOUNCED ● high
2a02:8000:1100::/48 Chaos Computer Club e.V. BGP ANNOUNCED ● high
109.70.100.245 – 109.70.100.254 Chaos-Computer-Club-Wien-net-v4 RIPE ASSIGNED PA ● medium
2a03:e600:100:c3::/64 Chaos-Computer-Club-Wien-net-v6 RIPE ASSIGNED ● medium
194.42.36.0/24 Chaos RIPE ASSIGNED PA ● low
217.18.243.192/26 CHAOS RIPE ASSIGNED PA ● low
2001:618:1:112::/64 CHAOS-V6-NET RIPE ASSIGNED ● low
2001:67c:20a0::/47 Chaos Computer Club e.V. RIPE ASSIGNED PI ● low
2001:67c:20a1::/48 Chaos Computer Club Veranstaltungsgesellschaft mbH BGP ANNOUNCED ● low
2a01:4f8:171:1e70::/64 CHAOS-COMPUTER-CLUB-WIESBADEN-EV RIPE ASSIGNED ● low
2a01:4f8:171:f300::/56 CHAOS-COMPUTER-CLUB-WIESBADEN-EV RIPE ASSIGNED ● low
2a02:8000::/31 Chaos Computer Club e.V. RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (25)

CIDR
2a02:8000::/31
2a02:8000::/32
2001:67c:20a0::/47
2001:678:558::/48
2001:678:560::/48
2001:678:760::/48
2001:67c:20a0::/48
2001:67c:20a1::/48
2001:67c:2ed8::/48
2a02:8000:1100::/48
2a01:4f8:171:f300::/56
2001:618:1:112::/64
2a01:4f8:171:1e70::/64
2a03:e600:100:c3::/64
2001:7f8:13::a505:472:1/128
2001:7f8:19:1::32dc:1/128
2001:7f8:19:1::c528:1/128
2001:7f8:2c:1000:0:c528:0:1/128
2001:7f8:8:10:0:c528:0:1/128
2001:7f8:8:20:0:c528:0:1/128
2001:7f8:8:5:0:c528:0:1/128
2001:7f8:8::c528:0:1/128
2001:7f8::c528:0:1/128
2001:7f8:a5::5:472:1/128
2001:7f8:a5::5:472:2/128

Footprint over time

14 weekly snapshots · JSON
56 +22 netblocks since 2026-07-05
2026-07-05 peak 57 2026-09-27

Domains this organisation publishes

what's this?
ccc.de

Other domains hosted in this network

what's this?
ccc.de

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.6% of checked blocks have valid RPKI ROA coverage (53 of 56)
Possible discrepancies (4)

These blocks are registered to Chaos Computer Club e.V. but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:67c:20a1::/48 /48 authorized for AS2857 — Johannes Gutenberg-Universitaet Mainz
2a01:4f8:171:f300::/56 /56 authorized for AS24940 — Hetzner Online GmbH
94.45.224.0/19 /19 authorized for AS2857 — Johannes Gutenberg-Universitaet Mainz
194.42.36.0/24 /24 authorized for AS209617 — University of Cyprus

NIC Handles

ADFINIS-MNT APPLIEDPRIVACY-MNT AS13020 AS13020 AS13124-MNT AS39788 AS49225 AS50472 AS50472 AS6766 CCC-RIPE CCCDA-MNT +19 more