Educational Testing Service
Data as of 2026-09-05
BGP inherited
This organisation
| Netblocks | 9 · 65,536 IPv4 addresses |
| Record ID | 233435625 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 144.81.0.0/16 | Educational Testing Service | ARIN | DIRECT ALLOCATION | ● high |
| 144.81.10.0/24 | Educational Testing Service | BGP | ANNOUNCED | ● high |
| 144.81.11.0/24 | Educational Testing Service | BGP | ANNOUNCED | ● high |
| 144.81.53.0/24 | Educational Testing Service | BGP | ANNOUNCED | ● high |
| 144.81.54.0/24 | Educational Testing Service | BGP | ANNOUNCED | ● high |
| 144.81.85.0/24 | Educational Testing Service | BGP | ANNOUNCED | ● high |
| 144.81.97.0/24 | Educational Testing Service | BGP | ANNOUNCED | ● high |
| 144.81.111.0/24 | Educational Testing Service | BGP | ANNOUNCED | ● high |
| 144.81.127.0/24 | Educational Testing Service | BGP | ANNOUNCED | ● high |
Footprint over time
10 weekly snapshots · JSON
9
-2 netblocks since 2026-07-05
2026-07-05
peak 11
2026-08-30
NIC Handles
AS16681
ETS-1-Z
JOHNS4407-ARIN
RODRI1530-ARIN
RODRI1530-ARIN
RODRI1530-ARIN
RODRI1530-ARIN
RODRI1530-ARIN