LJA Engineering, Inc.
BGP inherited
Cluster stats
| Netblocks | 6 · 276 IPv4 addresses |
| Registered in | United Kingdom (1) · LV (1) · Taiwan (1) · United States (1) |
| Cluster ID | 209193848 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-19
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 136.175.141.0/24 | LJA Engineering, Inc. | BGP | ANNOUNCED | ● high |
| 80.233.131.104/29 | LJA-TETLV | RIPE | ASSIGNED PA | ● low |
| 210.202.189.184/29 | LJA-HT-AP | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 212.140.215.168/29 | LJA-MIERS | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:cb90::/48 | LJA-MIERS | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:cb90::/56 | LJA-MIERS | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
Possible discrepancies (3)
These blocks are registered to LJA Engineering, Inc. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:cb90::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:cb90::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
| 136.175.141.0/24 /24 | authorized for AS6461 — Zayo Bandwidth |
NIC Handles
AN16-AP
AN16-AP
AS33196
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
LTK
MAINT-TW-APOL