PSI Software SE

Data as of 2026-09-13
GLEIF verified
LEI
529900OS5AIRXC3T2J37
Registered name
PSI Software SE
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks19 · 2,128 IPv4 addresses
IPv6 4 prefixes (largest 2001:620:170::/48)
Registered in Germany (11) · Russia (2) · Switzerland (1) · Hong Kong (1)
Record ID240997149
RegistryRIPE
Owner jurisdictionDE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 529900OS5AIRXC3T2J37
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (19)

⬇ export CSV
CIDR Org name Registry Status Confidence
192.109.111.0/24 PSI Software SE RIPE ASSIGNED PI ● high
193.98.156.0/24 PSI Software SE RIPE ASSIGNED PI ● high
193.102.132.0/24 PSI Software SE RIPE ASSIGNED PI ● high
194.115.212.0/22 PSI Software SE RIPE ASSIGNED PI ● high
194.127.96.0/24 PSI Software SE RIPE ASSIGNED PI ● high
37.221.200.124/30 PSI-LAN RIPE ASSIGNED PA ● low
62.159.143.192/29 PSI-SOFTWARE-KARLSRUHE-NET RIPE ASSIGNED PA ● low
84.204.220.120/29 PSI-LAN RIPE ASSIGNED PA ● low
87.128.174.160/29 PSI-SOFTWARE-PULHEIM-NET RIPE ASSIGNED PA ● low
95.131.98.152/29 PSI-NET1 RIPE ASSIGNED PA ● low
195.145.105.144/29 PSI-SOFTWARE-ASCHAFFENBURG-NET RIPE ASSIGNED PA ● low
195.153.94.80/30 PSI-MSG RIPE ASSIGNED PA ● low
195.176.0.32/28 PSI-FW RIPE ASSIGNED PA ● low
213.157.29.208/29 PSI-NET1 RIPE ASSIGNED PA ● low
217.239.190.184/29 PSI-SOFTWARE-ASCHAFFENBURG-NET RIPE ASSIGNED PA ● low
2001:620:170::/48 PSI-IPv6 RIPE ASSIGNED ● low
2003:5a:404f::/48 PSI-SOFTWARE-KARLSRUHE-NET RIPE ASSIGNED ● low
2003:6e:a087::/48 PSI-SOFTWARE-ASCHAFFENBURG-NET RIPE ASSIGNED ● low
2003:c2:5024::/48 PSI-SOFTWARE-PULHEIM-NET RIPE ASSIGNED ● low

IPv6 ranges (4)

Footprint over time

6 weekly snapshots · JSON
19 -10 netblocks since 2026-07-05
2026-07-05 peak 29 2026-09-13

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.7% of checked blocks have valid RPKI ROA coverage (18 of 19)
Possible discrepancies (7)

These blocks are registered to PSI Software SE 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.

2003:5a:404f::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:6e:a087::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:c2:5024::/48 /48 authorized for AS3320 — Deutsche Telekom AG
194.115.212.0/22 /22 authorized for AS8220 — COLT Technology Services Group Limited
192.109.111.0/24 /24 authorized for AS3209 — Vodafone GmbH
193.98.156.0/24 /24 authorized for AS8220 — COLT Technology Services Group Limited
193.102.132.0/24 /24 authorized for AS8220 — COLT Technology Services Group Limited
Routed via provider/NREN (1)

These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.

2001:620:170::/48 /48 routed via AS559 — SWITCH (SWITCH)

NIC Handles

ARCOR-MNT DENIC-N DTAG-NIC DUMY-RIPE DUMY-RIPE MEDIANET-MNT OBIT-MNT ORG-PSA154-RIPE PSIAG-MNT PSINET-UK-SYSADMIN PSTAR-MNT RIPE-NCC-END-MNT +2 more