ZSCALER-SAN-JOSE
BGP inherited
Cluster stats
| Netblocks | 10 · 2,806 IPv4 addresses |
| Registered in | Switzerland (9) · Australia (1) |
| All fragments | 14 blocks across 3 clusters |
| Cluster ID | 210067587 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
10
0 netblocks since 2026-07-05
2026-07-05
peak 10
2026-07-19
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 137.31.38.0/24 | ZSCALER-SAN-JOSE | RIPE | LEGACY | ● low |
| 137.31.39.0/24 | ZSCALER-SAN-JOSE | RIPE | LEGACY | ● low |
| 159.254.25.0/24 | ZSCALER-SAN-JOSE | RIPE | LEGACY | ● low |
| 159.254.30.0/23 | ZSCALER-SAN-JOSE | RIPE | LEGACY | ● low |
| 159.254.96.0/24 | ZSCALER-SAN-JOSE | RIPE | LEGACY | ● low |
| 159.254.97.0/24 | ZSCALER-SAN-JOSE | RIPE | LEGACY | ● low |
| 159.254.240.0/24 | ZSCALER-SAN-JOSE | RIPE | LEGACY | ● low |
| 164.137.6.0/24 | ZSCALER-SAN-JOSE | RIPE | ASSIGNED PA | ● low |
| 164.137.31.0/24 | ZSCALER-SAN-JOSE | RIPE | ASSIGNED PA | ● low |
| 167.103.150.0/24 | ZSCALER-SAN-JOSE | APNIC | ASSIGNED NON-PORTABLE | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “ZSCALER SAN” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- ZSCALER-SAN-JUAN 2 blocks
- ZSCALER-SAN-SALVADOR 2 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- INAP-AMS004-ZSCALER-41160 sub-allocation
- BROADNET-NO-ZSCALER via GLOBALCONNECT AS sub-allocation
- INAP-LON-ZSCALER-47720 sub-allocation
- ZSCALER-CH-1 via BSE Software GmbH sub-allocation
- Tinet via Zscaler Switzerland GmbH sub-allocation
- Yamparaez via ZSCALER, INC. sub-allocation
- ele-zscaler-net via GELSEN-NET Kommunikationsgesellschaft mbH sub-allocation
- Zscaler via GELSEN-NET Kommunikationsgesellschaft mbH sub-allocation
Network trust
what's this?
RPKI hygiene: B
how networks compare →
90.0%
of checked blocks have valid RPKI ROA coverage
(9 of 10)
Possible discrepancies (3)
These blocks are registered to ZSCALER-SAN-JOSE 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.
| 159.254.25.0/24 /24 | authorized for AS15830 — Equinix (EMEA) Acquisition Enterprises B.V. |
| 137.31.38.0/24 /24 | authorized for AS15830 — Equinix (EMEA) Acquisition Enterprises B.V. |
| 137.31.39.0/24 /24 | authorized for AS15830 — Equinix (EMEA) Acquisition Enterprises B.V. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
MAINT-ZSCALER-AU
ZAPL2-AP
ZAPL2-AP
ZAPL2-AP
ZSCALER-RIPE-MNT