Federal Institute of Technology Zurich

Federal Institute of Technology Zurich (ETHZ)
Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks8 · 104,448 IPv4 addresses
IPv6 3 prefixes (largest 2001:620:8::/48)
Cluster ID217856145
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

7 weekly snapshots · JSON
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-08-09

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
82.130.64.0/18 Federal Institute of Technology Zurich (ETHZ) RIPE ASSIGNED PI ● high
129.132.0.0/16 Federal Institute of Technology Zurich (ETHZ) RIPE LEGACY ● high
148.187.192.0/19 Federal Institute of Technology Zurich (ETHZ) RIPE LEGACY ● high
192.33.87.0 – 192.33.110.255 Federal Institute of Technology Zurich (ETHZ) RIPE LEGACY ● high
195.176.96.0/19 Federal Institute of Technology Zurich (ETHZ) RIPE ASSIGNED PA ● high
2001:620:8::/48 Federal Institute of Technology Zurich (ETHZ) RIPE ASSIGNED ● high
2001:67c:10ec::/48 Federal Institute of Technology Zurich (ETHZ) RIPE ASSIGNED PI ● high
2001:67c:2e40::/48 Federal Institute of Technology Zurich (ETHZ) RIPE ASSIGNED PI ● high

IPv6 ranges (3)

Domains hosted in this network

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Network trust

what's this?
RPKI hygiene: B how networks compare →
87.5% of checked blocks have valid RPKI ROA coverage (7 of 8)
Possible discrepancies (1)

These blocks are registered to Federal Institute of Technology Zurich (ETHZ) 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.

2001:67c:2e40::/48 /48 authorized for AS14618 — Amazon.com, Inc.
Routed via provider/NREN (6)

These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.

2001:620:8::/48 /48 routed via AS559 — SWITCH (SWITCH)
2001:67c:10ec::/48 /48 routed via AS559 — SWITCH (SWITCH)
129.132.0.0/16 /16 routed via AS559 — SWITCH (SWITCH)
82.130.64.0/18 /18 routed via AS559 — SWITCH (SWITCH)
195.176.96.0/19 /19 routed via AS559 — SWITCH (SWITCH)
148.187.192.0/19 /19 routed via AS559 — SWITCH (SWITCH)

NIC Handles

DUMY-RIPE DUMY-RIPE ORG-ETHZ1-RIPE RIPE-NCC-END-MNT RIPE-NCC-LEGACY-MNT SWITCH-MNT