CAS Software AG

GLEIF verified
LEI
391200D9A1YUNHHYQC02
Registered name
CAS Software AG
Jurisdiction
DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks19
All fragments 42 blocks across 15 clusters
Cluster ID204796784
RegistryAPNIC
Owner jurisdictionDE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 391200D9A1YUNHHYQC02
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
19 +11 netblocks since 2026-07-05
2026-07-05 peak 19 2026-07-13

IP Ranges (19)

⬇ export CSV
CIDR Org name Registry Status Confidence
37.228.160.96/28 CAS Software AG RIPE ASSIGNED PA ● high
37.228.161.208/28 CAS Software AG RIPE ASSIGNED PA ● high
81.26.172.128/26 CAS Software AG RIPE ASSIGNED PA ● high
85.115.20.0/27 CAS Software AG RIPE ASSIGNED PA ● high
85.115.25.16/30 CAS Software AG RIPE ASSIGNED PA ● high
85.115.28.224/29 CAS Software AG RIPE ASSIGNED PA ● high
93.189.159.176/29 CAS Software AG RIPE ASSIGNED PA ● high
203.198.214.168/29 cas-svc-hk APNIC ASSIGNED NON-PORTABLE ● high
213.144.5.0/24 CAS Software AG RIPE ASSIGNED PA ● high
78.40.121.224/27 CAS-IGU RIPE ASSIGNED PA ● low
78.40.127.160/27 CAS-IGU RIPE ASSIGNED PA ● low
147.231.0.0/16 CAS-TCZ RIPE LEGACY ● low
158.58.177.64/26 CAS-IGU RIPE ASSIGNED PA ● low
2001:718:400::/44 CAS-PRG-6TCZ RIPE AGGREGATED-BY-LIR ● low
2001:718:400::/42 CAS-6TCZ RIPE ALLOCATED-BY-LIR ● low
2001:718:40f::/48 CAS-PRG-6TCZ RIPE AGGREGATED-BY-LIR ● low
2001:718:410::/44 CAS-PRG-6TCZ RIPE AGGREGATED-BY-LIR ● low
2001:718:1e00:8100::/56 CAS-IC-6TCZ RIPE ASSIGNED ● low
2001:718:1e01::/48 CAS-6TCZ RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (19 of 19)
Possible discrepancies (8)

These blocks are registered to CAS Software AG but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:718:400::/42 /42 authorized for AS2852 — CESNET z.s.p.o.
2001:718:400::/44 /44 authorized for AS2852 — CESNET z.s.p.o.
2001:718:410::/44 /44 authorized for AS2852 — CESNET z.s.p.o.
2001:718:1e01::/48 /48 authorized for AS2852 — CESNET z.s.p.o.
2001:718:40f::/48 /48 authorized for AS2852 — CESNET z.s.p.o.
2001:718:1e00:8100::/56 /56 authorized for AS2852 — CESNET z.s.p.o.
147.231.0.0/16 /16 authorized for AS2852 — CESNET z.s.p.o.
213.144.5.0/24 /24 authorized for AS12843 — TelemaxX Telekommunikation GmbH

NIC Handles

DUMY-RIPE DUMY-RIPE IGUANE-MNT MAINT-HK-IMS-CS ORG-AoSo1-RIPE ORG-CSA135-RIPE RIPE-NCC-LEGACY-MNT TA29-AP TENCZ-MNT TL471-AP TXX-MNT