Software Engineering Institute
Cluster stats
| Netblocks | 4 |
| All fragments | 6 blocks across 2 clusters |
| Cluster ID | 191593281 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 147.72.252.0/22 | Software Engineering Institute | BGP | ANNOUNCED | ● high |
| 192.88.209.0/24 | Software Engineering Institute | BGP | ANNOUNCED | ● high |
| 192.88.210.0/24 | Software Engineering Institute | BGP | ANNOUNCED | ● high |
| 2620:8b:4000::/48 | Software Engineering Institute | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
25.0%
of checked blocks have valid RPKI ROA coverage
(1 of 4)
Possible discrepancies (1)
These blocks are registered to Software Engineering Institute 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.
| 147.72.252.0/22 /22 | authorized for AS9 — Carnegie Mellon University |
NIC Handles
AS36407