ADVENT SOFTWARE, INC.

Advent Software
GLEIF verified
Complete entity footprint
9 linked clusters · 117 netblocks · 118,997 IPv4 addresses
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
5493008K65FKZ7JK3617
Registered name
ADVENT SOFTWARE, INC.
Jurisdiction
US-DE
Ultimate parent
SS&C TECHNOLOGIES HOLDINGS, INC.
529900POY8H7NPPNKK71
Cluster stats
Netblocks6 · 5,122 IPv4 addresses
Registered in United States (5) · United Kingdom (1)
Cluster ID214470965
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 5493008K65FKZ7JK3617
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

6 weekly snapshots · JSON
6 -13 netblocks since 2026-07-05
2026-07-05 peak 19 2026-07-26

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
170.40.225.0/24 Advent Software BGP ANNOUNCED ● high
216.10.149.0/24 Advent Software BGP ANNOUNCED ● high
216.10.150.0/24 Advent Software BGP ANNOUNCED ● high
216.10.151.0/24 Advent Software BGP ANNOUNCED ● high
80.169.21.184/29 NET-SE-ADVENT-SOFTWARE RIPE ASSIGNED PA ● low
216.10.144.0/20 Advent Software ARIN DIRECT ALLOCATION ● low

Corporate group (9 confirmed entities)

Network trust

what's this?
RPKI hygiene: F how networks compare →
16.7% of checked blocks have valid RPKI ROA coverage (1 of 6)
No discrepancies found among checked blocks.

NIC Handles

ADVENT-6 ALCOC13-ARIN AS11144 DUMY-RIPE DUMY-RIPE MC1816-ARIN MC1816-ARIN MC1816-ARIN SE-COLT-MNT