Zix International AG

Zix Corporation
GLEIF verified
LEI
391200AK33QEDALJHF96
Registered name
Zix International AG
Jurisdiction
CH
Ultimate parent
Open Text Corporation
549300HP7ONDQODZJV16
Cluster stats
Netblocks13
Cluster ID204810334
RegistryBGP
Owner jurisdictionCH
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 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

4 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-13

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

Corporate group (4 confirmed entities)

+5 additional unconfirmed candidates not shown — full list (JSON)

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