ADVENT SOFTWARE, INC.
Advent Software
LEI
5493008K65FKZ7JK3617
Registered name
ADVENT SOFTWARE, INC.
Jurisdiction
Cluster stats
| Netblocks | 19 |
| All fragments | 49 blocks across 16 clusters |
| Cluster ID | 191682655 |
| Registry | APNIC |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 5493008K65FKZ7JK3617 |
| Shared handles | clustered on 29 shared RIR contact/maintainer handles |
| Registry names | 11 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (19)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 103.16.64.0/24 | Advent One | BGP | ANNOUNCED | ● high |
| 103.16.65.0/24 | Advent One | BGP | ANNOUNCED | ● high |
| 103.16.66.0/24 | Advent One | BGP | ANNOUNCED | ● high |
| 103.16.67.0/24 | Advent One | BGP | ANNOUNCED | ● high |
| 170.40.225.0/24 | Advent Software | BGP | ANNOUNCED | ● high |
| 203.126.146.144/28 | ADVENT-SG | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 210.9.64.16/30 | ADVENT-CC-AU | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 216.10.144.0/20 | Advent Software | ARIN | ● 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 |
| 93.153.170.184/29 | ADVENT-LAN | RIPE | ASSIGNED PA | ● low |
| 103.16.64.0/22 | Advent One | APNIC | ALLOCATED PORTABLE | ● low |
| 194.154.194.192/29 | ADVENT-LU | RIPE | ASSIGNED PA | ● low |
| 203.120.253.24/29 | ADVENT-SG | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 212.125.86.64/26 | ADVENT-UK | RIPE | ASSIGNED PA | ● low |
| 212.249.35.144/28 | ADVENT-CH | RIPE | ASSIGNED PA | ● low |
| 2001:7e8:815b:100::/56 | ADVENT-LU | RIPE | ASSIGNED | ● low |
Corporate group (9 entities) ~
- DST Systems, Inc. 50 blocks
- SS&C Technologies, Inc. 20 blocks
- Eze Castle Software LLC 19 blocks
- SS&C FINTECH SERVICES INDIA PRIVATE LIMITED 7 blocks
- SS&C FINANCIAL SERVICES INTERNATIONAL LIMITED 6 blocks
- INTRALINKS INC. 5 blocks
- SS&C Solutions Pty Limited 3 blocks
- DST-GLOBAL-SOLUTIONS-LIMITED 1 blocks
Network trust
what's this?
RPKI hygiene: D
how networks compare →
36.8%
of checked blocks have valid RPKI ROA coverage
(7 of 19)
Possible discrepancies (1)
These blocks are registered to Advent Software but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2001:7e8:815b:100::/56 /56 | authorized for AS6661 — POST Luxembourg |
NIC Handles
AA1830-AP
ADVENT-6
ALCOC13-ARIN
AOA2-AP
AOA2-AP
AP930-AP
APNIC-HM
AS11144
AS140327
AS6661-MNT
AS702-MNT
AS8426-MNT
+17 more