Oak Ridge National Laboratory
BGP inherited
Cluster stats
| Netblocks | 15 |
| All fragments | 45 blocks across 19 clusters |
| Cluster ID | 204397252 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
15
0 netblocks since 2026-07-05
2026-07-05
peak 15
2026-07-13
IP Ranges (15)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 128.219.0.0/16 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 160.91.0.0/16 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 192.12.68.0/24 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 192.31.96.0/24 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 192.148.93.0/24 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 192.148.96.0/23 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 192.188.177.0/24 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 192.188.178.0/23 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 192.188.180.0/24 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 192.188.182.0/24 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 2620:0:2b30::/44 | Oak Ridge National Laboratory | BGP | ANNOUNCED | ● high |
| 193.63.42.32/27 | OAK-COL | RIPE | ASSIGNED PA | ● low |
| 212.143.38.48/28 | OAK-DMZ | RIPE | ASSIGNED PA | ● low |
| 212.219.63.192/27 | OAK-COL | RIPE | ASSIGNED PA | ● low |
| 2001:630:20a::/48 | OAK-COL | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
26.7%
of checked blocks have valid RPKI ROA coverage
(4 of 15)
Possible discrepancies (1)
These blocks are registered to Oak Ridge National Laboratory 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.
| 2001:630:20a::/48 /48 | authorized for AS786 — Jisc Services Limited |
NIC Handles
AS50
DUMY-RIPE
DUMY-RIPE
JANET-HOSTMASTER
NV-MNT-RIPE