ZSCALER, INC.
GLEIF verified
Complete entity footprint
2 linked clusters ·
2,000 netblocks ·
1,774,967 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
529900MZ0RTK1BWRNF46
Registered name
ZSCALER, INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 1,446 · 1,211,510 IPv4 addresses |
| Registered in | United States (587) · Switzerland (309) · Australia (261) · United Kingdom (28) · India (25) · Japan (16) |
| Cluster ID | 208789401 |
| Registry | APNIC |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900MZ0RTK1BWRNF46 |
| Shared handles | clustered on 46 shared RIR contact/maintainer handles |
| Registry names | 74 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
1,436
+6 netblocks since 2026-07-05
2026-07-05
peak 1,436
2026-07-19
IP Ranges (1,446)
showing 50 of 1,446 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 8.25.203.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 8.34.34.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 8.35.35.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 27.111.228.245/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 27.111.229.97/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 27.111.231.23/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 27.111.231.24/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 36.255.56.9/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 36.255.56.192/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 37.49.232.109/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 37.49.232.110/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 37.49.237.88/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 37.49.237.105/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 37.49.238.123/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 37.49.238.124/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 43.243.21.6/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 43.243.21.116/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.68.16.142/32 | Zscaler AS22616 | PEERINGDB | ASSIGNED | ● high |
| 45.68.16.143/32 | Zscaler AS22616 | PEERINGDB | ASSIGNED | ● high |
| 45.120.248.220/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.120.248.221/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.120.249.12/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.120.249.17/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.120.251.23/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.120.251.24/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.120.251.100/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.120.251.101/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.127.172.14/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.127.172.214/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.127.172.229/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 45.127.173.39/32 | Zscaler AS53813 | PEERINGDB | ASSIGNED | ● high |
| 64.62.169.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 64.215.22.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 70.39.159.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 70.40.176.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 70.40.177.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 70.40.178.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 80.81.193.24/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 80.81.193.90/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 80.81.197.90/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 80.81.197.91/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 80.249.209.138/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 80.249.212.162/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 80.249.212.163/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 80.249.215.246/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 87.58.64.0/18 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 89.18.89.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 89.18.90.0/24 | ZSCALER, INC. | BGP | ANNOUNCED | ● high |
| 91.206.52.70/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
| 91.206.52.80/32 | Zscaler AS62044 | PEERINGDB | ASSIGNED | ● high |
Domains hosted in this network
what's this?Customer-delegated space
how is this classified?
Unclassified
1,240 (85.8%)
Operator infrastructure (named)
206 (14.2%)
Corporate group (2 confirmed entities)
+190 additional unconfirmed candidates not shown — full list (JSON)- Zscaler Switzerland GmbH 554 blocks
Network trust
what's this?
RPKI hygiene: B
how networks compare →
90.5%
of checked blocks have valid RPKI ROA coverage
(1,308 of 1,446)
Possible discrepancies (4)
These blocks are registered to ZSCALER, 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:d4f2::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 42.99.166.0/24 /24 | authorized for AS4637 — Telstra International Limited |
| 42.99.167.0/24 /24 | authorized for AS4637 — Telstra International Limited |
| 120.29.239.0/24 /24 | authorized for AS38174 — Capgemini Technology Services India Limited |
NIC Handles
AB34802-RIPE
ABOVENET-MNT
AS22616
AS22616
AS53444
AS53813
AS53813
AS62044
AS62907
AT940-AP
AZ479-AP
BTNET-MNT
+34 more