ZSCALER-FRANKFURT-AM-MAIN

BGP inherited
Cluster stats
Netblocks20 · 9,452 IPv4 addresses
Cluster ID211003936
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
20 0 netblocks since 2026-07-05
2026-07-05 peak 20 2026-07-19

IP Ranges (20)

⬇ export CSV
CIDR Org name Registry Status Confidence
87.58.122.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE ASSIGNED PA ● low
87.58.124.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE ASSIGNED PA ● low
137.31.0.0/22 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
137.31.32.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
137.31.42.0/24 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
137.31.133.0/24 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
147.161.134.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
147.161.136.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
147.161.138.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
147.161.164.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
147.161.234.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
147.161.238.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
147.161.254.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
159.254.22.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
159.254.28.0/24 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
159.254.203.0/24 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
159.254.226.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
159.254.228.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
159.254.230.0/23 ZSCALER-FRANKFURT-AM-MAIN RIPE LEGACY ● low
164.137.0.0/24 ZSCALER-FRANKFURT-AM-MAIN RIPE ASSIGNED PA ● low

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (20 of 20)
Possible discrepancies (2)

These blocks are registered to ZSCALER-FRANKFURT-AM-MAIN 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.

159.254.28.0/24 /24 authorized for AS15830 — Equinix (EMEA) Acquisition Enterprises B.V.
137.31.42.0/24 /24 authorized for AS15830 — Equinix (EMEA) Acquisition Enterprises B.V.

NIC Handles

DUMY-RIPE DUMY-RIPE ZSCALER-RIPE-MNT