Zix International AG
Zix Corporation
GLEIF verified
Complete entity footprint
4 linked clusters ·
224 netblocks ·
757,303 IPv4 addresses
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
391200AK33QEDALJHF96
Registered name
Zix International AG
Jurisdiction
Cluster stats
| Netblocks | 13 · 9,718 IPv4 addresses |
| Registered in | United States (6) · Switzerland (3) · Canada (1) |
| Cluster ID | 209450929 |
| Registry | BGP |
| Owner jurisdiction | CH |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 391200AK33QEDALJHF96 |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
13
0 netblocks since 2026-07-05
2026-07-05
peak 13
2026-07-19
IP Ranges (13)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.152.184.0/24 | Zix International AG | BGP | ANNOUNCED | ● high |
| 5.152.185.0/24 | Zix International AG | BGP | ANNOUNCED | ● high |
| 8.19.116.0/24 | Zix Corporation | BGP | ANNOUNCED | ● high |
| 8.19.117.0/24 | Zix Corporation | BGP | ANNOUNCED | ● high |
| 8.19.118.0/24 | Zix Corporation | BGP | ANNOUNCED | ● high |
| 63.71.8.0/21 | Zix Corporation | BGP | ANNOUNCED | ● high |
| 91.209.6.0/24 | Zix Corporation | RIPE | ASSIGNED PI | ● high |
| 199.30.232.0/21 | Zix Corporation | BGP | ANNOUNCED | ● high |
| 207.195.176.0/21 | Zix Corporation | BGP | ANNOUNCED | ● high |
| 2620:12d:6000::/48 | Zix Corporation | BGP | ANNOUNCED | ● high |
| 2620:12d:6001::/48 | Zix Corporation | BGP | ANNOUNCED | ● high |
| 5.152.184.0/21 | Zix International AG | RIPE | ALLOCATED PA | ● low |
| 2a0d:5180::/29 | Zix International AG | RIPE | ALLOCATED-BY-RIR | ● low |
Domains hosted in this network
what's this?Corporate group (4 confirmed entities)
+5 additional unconfirmed candidates not shown — full list (JSON)- Open Text Corporation 191 blocks
- Micro Focus 15 blocks
- AUTONOMY SOFTWARE ASIA PRIVATE LIMITED 5 blocks
Network trust
what's this?
RPKI hygiene: F
how networks compare →
7.7%
of checked blocks have valid RPKI ROA coverage
(1 of 13)
No discrepancies found among checked blocks.
NIC Handles
AS13380
AS59519
DUMY-RIPE
DUMY-RIPE
ORG-AL251-RIPE
ORG-ZC13-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT
lir-uk-opentext-1-MNT