SySS GmbH
GLEIF verified
LEI
391200IN3V4WJKAWKH57
Registered name
SySS GmbH
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks12
All fragments 19 blocks across 6 clusters
Cluster ID191779250
RegistryBGP
Owner jurisdictionDE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 391200IN3V4WJKAWKH57
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
12 0 netblocks since 2026-07-05
2026-07-05 peak 12 2026-07-06

IP Ranges (12)

⬇ export CSV
CIDR Org name Registry Status Confidence
185.142.184.0/24 SySS GmbH BGP ANNOUNCED ● high
185.142.185.0/24 SySS GmbH BGP ANNOUNCED ● high
185.142.186.0/24 SySS GmbH BGP ANNOUNCED ● high
2a07:2f00::/48 SySS GmbH BGP ANNOUNCED ● high
2a07:2f00:1337::/48 SySS GmbH BGP ANNOUNCED ● high
2a07:2f00:dead::/48 SySS GmbH BGP ANNOUNCED ● high
81.123.166.128/29 SYSS-R-L RIPE ASSIGNED PA ● low
185.142.184.0/22 SySS GmbH RIPE ALLOCATED PA ● low
185.142.187.0/24 SySS-RES3 RIPE ASSIGNED PA ● low
212.71.209.0/24 SYSS-NET02 RIPE ASSIGNED PA ● low
2001:14f8:203::/48 SYSS-NET03 RIPE ASSIGNED ● low
2a07:2f00::/29 SySS GmbH RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
58.3% of checked blocks have valid RPKI ROA coverage (7 of 12)
Possible discrepancies (2)

These blocks are registered to SySS 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.

2001:14f8:203::/48 /48 authorized for AS12502 — Dr.-Ing. Nepustil & Co. GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikationstechnik
212.71.209.0/24 /24 authorized for AS12502 — Dr.-Ing. Nepustil & Co. GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikationstechnik

NIC Handles

AS203132 DUMY-RIPE DUMY-RIPE NEPUSTIL-NET-MNT ORG-SG199-RIPE RIPE-NCC-HM-MNT TIG-MNT de-syss-1-mnt de-syss-1-mnt