ASPEN TECHNOLOGY, INC.

Data as of 2026-08-16
GLEIF verified
Complete entity footprint
3 linked clusters · 44 netblocks · 155,264 IPv4 addresses · 6 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
254900545H80W6GA2J08
Registered name
ASPEN TECHNOLOGY, INC.
Jurisdiction
Ultimate parent
FGLT0EWZSUIRRITFOA30
Cluster stats
Netblocks9 · 5,888 IPv4 addresses
Cluster ID225199895
RegistryARIN
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 254900545H80W6GA2J08
Shared handles clustered on 19 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
192.135.137.0/24 ASPEN TECHNOLOGY, INC. ARIN DIRECT ALLOCATION ● high
192.160.185.0/24 ASPEN TECHNOLOGY, INC. ARIN DIRECT ALLOCATION ● high
192.160.186.0/24 ASPEN TECHNOLOGY, INC. ARIN DIRECT ALLOCATION ● high
192.160.187.0/24 ASPEN TECHNOLOGY, INC. ARIN DIRECT ALLOCATION ● high
198.17.137.0/24 Aspen Technology Group ARIN DIRECT ALLOCATION ● high
198.22.20.0/24 Aspen Technology Group ARIN DIRECT ALLOCATION ● high
199.33.159.0 – 199.33.163.255 ASPEN TECHNOLOGY, INC. ARIN DIRECT ALLOCATION ● high
205.153.212.0/22 ASPEN TECHNOLOGY, INC. ARIN DIRECT ALLOCATION ● high
208.201.88.0/21 ASPEN TECHNOLOGY, INC. ARIN ASSIGNMENT ● high

Corporate group (3 confirmed entities)

+173 additional unconfirmed candidates not shown — full list (JSON)

NIC Handles

ABUSE3-ARIN ABUSE5603-ARIN ASPENT ATG-2 C00541551 FZ12-ARIN INA29-ARIN INA29-ARIN INA30-ARIN IPADM314-ARIN JLS47-ARIN JLS47-ARIN +7 more