BROWN BROTHERS HARRIMAN & CO.
Brown Brothers Harriman & Company
LEI
5493006KMX1VFTPYPW14
Registered name
BROWN BROTHERS HARRIMAN & CO.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 20 |
| All fragments | 22 blocks across 3 clusters |
| Cluster ID | 191680301 |
| Registry | BGP |
| Owner jurisdiction | US-NY |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 5493006KMX1VFTPYPW14 |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
20
0 netblocks since 2026-07-05
2026-07-05
peak 20
2026-07-06
IP Ranges (20)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 192.200.1.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 192.200.2.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 192.200.3.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 192.200.5.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 192.200.6.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 192.200.7.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 192.200.8.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.16.0/20 | Brown Brothers Harriman & Co. | ARIN | ● high | |
| 204.136.16.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.19.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.20.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.23.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.24.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.25.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.26.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.27.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.28.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.29.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.30.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
| 204.136.31.0/24 | Brown Brothers Harriman & Company | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: F
how networks compare →
10.0%
of checked blocks have valid RPKI ROA coverage
(2 of 20)
No discrepancies found among checked blocks.
NIC Handles
AS18438
BBH
HOSTM1081-ARIN
HOSTM1081-ARIN
HOSTM1081-ARIN