EDUCATIONAL TESTING SERVICE
Educational Testing Service
LEI
984500131FFAF63B6012
Registered name
EDUCATIONAL TESTING SERVICE
Jurisdiction
US-NY
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks11
All fragments 43 blocks across 17 clusters
Cluster ID191772762
RegistryAPNIC
Owner jurisdictionUS-NY
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 984500131FFAF63B6012
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
11 0 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-06

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
144.81.0.0/16 Educational Testing Service ARIN ● 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
210.8.173.168/30 EDUCATIONAL-CC-AU APNIC ASSIGNED NON-PORTABLE ● high
210.9.92.220/30 EDUCATIONAL-CC-AU APNIC ASSIGNED NON-PORTABLE ● high

NIC Handles

ALT1-AP ALT1-AP AM512-AP AM512-AP AS16681 ETS-1-Z JOHNS4407-ARIN MAINT-AU-AAPT RODRI1530-ARIN RODRI1530-ARIN RODRI1530-ARIN RODRI1530-ARIN +1 more