CARL ZEISS
Carl Zeiss, Inc.
Data as of 2026-08-23
GLEIF verified
Complete entity footprint
2 linked clusters ·
18 netblocks ·
1,364 IPv4 addresses ·
3 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
529900LR7KWJR1AU2P47
Registered name
CARL ZEISS
Jurisdiction
Ultimate parent
Carl Zeiss AG
5299000XH7YX33EJZP65
Cluster stats
| Netblocks | 16 · 1,340 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2001:2060:84::/48) |
| Registered in | Germany (6) · United States (4) · Austria (1) · Italy (1) · Netherlands (1) |
| Cluster ID | 227003870 |
| Registry | ARIN |
| Owner jurisdiction | ZA |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900LR7KWJR1AU2P47 |
| Shared handles | clustered on 18 shared RIR contact/maintainer handles |
| Registry names | 8 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
3 weekly snapshots · JSON
16
+2 netblocks since 2026-08-09
2026-08-09
peak 16
2026-08-23
IP Ranges (16)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.26.162.116/30 | Carl Zeiss AG | RIPE | ASSIGNED PA | ● high |
| 198.140.250.0 – 198.140.254.255 | Carl Zeiss, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 198.140.250.0/24 | Carl Zeiss, Inc. | ARIN | ASSIGNMENT | ● high |
| 198.140.252.0/24 | Carl Zeiss, Inc. | ARIN | ASSIGNMENT | ● high |
| 198.140.254.0/24 | Carl Zeiss, Inc. | ARIN | ASSIGNMENT | ● high |
| 2001:2060:84::/48 | Carl Zeiss Oy | RIPE | ASSIGNED | ● high |
| 62.99.253.128/29 | Carl-Zeiss-GmbH | RIPE | ASSIGNED PA | ● low |
| 80.242.245.176/29 | CARL_ZEISS_BV | RIPE | ASSIGNED PA | ● low |
| 176.52.204.168/30 | Carl_Zeiss_AG | RIPE | ASSIGNED PA | ● low |
| 178.249.26.212/30 | Carl_Zeiss_AG | RIPE | ASSIGNED PA | ● low |
| 178.249.26.216/29 | Carl_Zeiss_AG | RIPE | ASSIGNED PA | ● low |
| 212.177.102.128/28 | CARL_ZEISS | RIPE | ASSIGNED PA | ● low |
| 217.18.185.48/30 | Carl_Zeiss_AG | RIPE | ASSIGNED PA | ● low |
| 217.18.185.200/30 | Carl_Zeiss_AG | RIPE | ASSIGNED PA | ● low |
| 2001:41f0:8d8c::/48 | CARL_ZEISS_BV | RIPE | ASSIGNED | ● low |
| 2a00:2381:fbc4::/48 | CARL-ZEISS | RIPE | AGGREGATED-BY-LIR | ● low |
IPv6 ranges (3)
Corporate group (2 confirmed entities)
- CARL-ZEISS-SMS-LTD 2 blocks
Network trust
what's this?
RPKI hygiene: C
how networks compare →
68.8%
of checked blocks have valid RPKI ROA coverage
(11 of 16)
Possible discrepancies (3)
These blocks are registered to Carl Zeiss, Inc. 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.
| 2a00:2381:fbc4::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2001:2060:84::/48 /48 | authorized for AS1759 — Telia Finland Oyj |
| 2001:41f0:8d8c::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
NIC Handles
AS702-MNT
BTNET-MNT
C00002575
C00002577
C00002579
CARLZE
DATANET-NOC
DSI-MNT
DUMY-RIPE
DUMY-RIPE
JR25-ARIN
JR25-ARIN
+6 more