Act-On Software
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 6 · 3,200 IPv4 addresses |
| All fragments | 8 blocks across 3 clusters |
| Cluster ID | 230142810 |
| Registry | ARIN |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
2 weekly snapshots · JSON
6
0 netblocks since 2026-08-16
2026-08-16
peak 6
2026-08-23
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 72.46.76.0/22 | Act-On Software | ARIN | DIRECT ALLOCATION | ● high |
| 204.156.176.0 – 204.156.178.255 | Act-On Software | ARIN | DIRECT ALLOCATION | ● high |
| 209.162.194.0/24 | Act-On Software | ARIN | ASSIGNMENT | ● high |
| 209.162.213.128/25 | Act-On Software | ARIN | ASSIGNMENT | ● high |
| 209.222.65.0 – 209.222.67.255 | Act-On Software | ARIN | DIRECT ALLOCATION | ● high |
| 216.41.143.0/24 | Act-On Software | ARIN | DIRECT ALLOCATION | ● high |
Network trust
what's this?
RPKI hygiene: F
how networks compare →
16.7%
of checked blocks have valid RPKI ROA coverage
(1 of 6)
Possible discrepancies (1)
These blocks are registered to Act-On 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.
| 216.41.143.0/24 /24 | authorized for AS15830 — Equinix (EMEA) Acquisition Enterprises B.V. |
NIC Handles
AS-147
DELIV2-ARIN
OPERA350-ARIN
OPERA350-ARIN
OPERA350-ARIN
OPERA350-ARIN
OPERA350-ARIN