The Calyx Institute
Data as of 2026-08-16
BGP inherited
Limited data: only 3 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
Cluster stats
| Netblocks | 3 · 512 IPv4 addresses |
| IPv6 | 1 prefix (largest 2602:fef9:100::/48) |
| Cluster ID | 222376999 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 162.247.72.0/24 | The Calyx Institute | BGP | ANNOUNCED | ● high |
| 185.220.103.0/24 | The Calyx Institute | BGP | ANNOUNCED | ● high |
| 2602:fef9:100::/48 | The Calyx Institute | BGP | ANNOUNCED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2602:fef9:100::/48 |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
40.0%
of checked blocks have valid RPKI ROA coverage
(2 of 5)
No discrepancies found among checked blocks.
NIC Handles
ADMIN9030-ARIN
ARD6-ARIN
AS4224
DUMY-RIPE
DUMY-RIPE
ORG-CALY1-RIPE
TECHN1973-ARIN
THECA-92
ZWIEBELFREUNDE
ZWIEBELFREUNDE
de-zwf-1-mnt
de-zwf-1-mnt