Laboratorio Nacional de Engenharia Civil
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 14 · 4,617 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:690:2140::/48) |
| All fragments | 19 blocks across 2 clusters |
| Cluster ID | 213514446 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
14
0 netblocks since 2026-07-05
2026-07-05
peak 14
2026-07-26
IP Ranges (14)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 192.26.236.0/24 | Laboratorio Nacional de Engenharia Civil | RIPE | LEGACY | ● high |
| 192.68.186.0/24 | Laboratorio Nacional de Engenharia Civil | RIPE | LEGACY | ● high |
| 192.138.86.0/24 | Laboratorio Nacional de Engenharia Civil | RIPE | LEGACY | ● high |
| 192.195.195.0/24 | Laboratorio Nacional de Engenharia Civil | RIPE | LEGACY | ● high |
| 193.136.1.242/32 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED PA | ● high |
| 193.136.104.0/22 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED PA | ● high |
| 193.136.108.0/23 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED PA | ● high |
| 193.136.208.0/22 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED PA | ● high |
| 193.137.57.160/29 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED PA | ● high |
| 193.137.104.0/24 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED PA | ● high |
| 193.137.105.0/24 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED PA | ● high |
| 193.137.190.0/23 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED PA | ● high |
| 2001:690:810:15::/64 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED | ● high |
| 2001:690:2140::/48 | Laboratorio Nacional de Engenharia Civil | RIPE | ASSIGNED | ● high |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(14 of 14)
Possible discrepancies (11)
These blocks are registered to Laboratorio Nacional de Engenharia Civil 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.
| 2001:690:2140::/48 /48 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.136.208.0/22 /22 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.136.104.0/22 /22 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.136.108.0/23 /23 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.137.190.0/23 /23 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.137.104.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.137.105.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 192.26.236.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 192.68.186.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 192.138.86.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 192.195.195.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
NIC Handles
AS1930-MNT
DUMY-RIPE
DUMY-RIPE
ORG-LNDE8-RIPE
RIPE-NCC-LEGACY-MNT