Lawrence Berkeley National Laboratory
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 9 · 131,840 IPv4 addresses |
| IPv6 | 4 prefixes (largest 2620:83:8004::/47) |
| Record ID | 241134051 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 128.3.0.0/16 | Lawrence Berkeley National Laboratory | ARIN | DIRECT ALLOCATION | ● high |
| 131.243.0.0/16 | Lawrence Berkeley National Laboratory | BGP | ANNOUNCED | ● high |
| 192.12.173.0/24 | Lawrence Berkeley National Laboratory | BGP | ANNOUNCED | ● high |
| 192.58.231.0/24 | Lawrence Berkeley National Laboratory | BGP | ANNOUNCED | ● high |
| 204.62.155.0/24 | Lawrence Berkeley National Laboratory | ARIN | DIRECT ALLOCATION | ● high |
| 2620:83:8000::/48 | Lawrence Berkeley National Laboratory | BGP | ANNOUNCED | ● high |
| 2620:83:8004::/47 | Lawrence Berkeley National Laboratory | BGP | ANNOUNCED | ● high |
| 2620:83:8004::/48 | Lawrence Berkeley National Laboratory | BGP | ANNOUNCED | ● high |
| 2620:83:8005::/48 | Lawrence Berkeley National Laboratory | BGP | ANNOUNCED | ● high |
IPv6 ranges (4)
Footprint over time
12 weekly snapshots · JSON
14
+5 netblocks since 2026-07-05
2026-07-05
peak 14
2026-09-13
Other domains hosted in this network
what's this?NIC Handles
AS16
AS63331
CPP-ARIN
LBNL-Z
SIMON407-ARIN
STROM17-ARIN