MAYER BROWN INTERNATIONAL LLP
Mayer Brown LLP
GLEIF verified
LEI
54930030JLP03B2XIH41
Registered name
MAYER BROWN INTERNATIONAL LLP
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 21 · 24,555 IPv4 addresses |
| All fragments | 24 blocks across 4 clusters |
| Cluster ID | 211372843 |
| Registry | BGP |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 54930030JLP03B2XIH41 |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
21
0 netblocks since 2026-07-05
2026-07-05
peak 21
2026-07-19
IP Ranges (21)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 143.58.0.0/24 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.0.0/22 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.1.0/24 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.2.0/24 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.3.0/24 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.4.0/24 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.4.0/22 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.5.0/24 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.6.0/24 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.7.0/24 | Mayer Brown LLP | BGP | ANNOUNCED | ● high |
| 143.58.8.0/24 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.8.0/22 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.9.0/24 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.10.0/24 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.11.0/24 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.12.0/22 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.12.0/24 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.13.0/24 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.14.0/24 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.15.0/24 | Mayer Brown International LLP | BGP | ANNOUNCED | ● high |
| 143.58.0.0/18 | Mayer Brown LLP | ARIN | DIRECT ALLOCATION | ● low |
NIC Handles
AS19977
AS29120
BARRA15-ARIN
MBRML
MCS7-ARIN
MCS7-ARIN