Centro Nacional de Computacao Avancada - CNCA
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 8 · 1,824 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:690:2150::/48) |
| All fragments | 11 blocks across 3 clusters |
| Cluster ID | 215031066 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.136.75.0/24 | Centro Nacional de Computacao Avancada - CNCA | RIPE | ASSIGNED PA | ● high |
| 193.136.149.0/24 | Centro Nacional de Computacao Avancada - CNCA | RIPE | ASSIGNED PA | ● high |
| 193.137.227.0/27 | Centro Nacional de Computacao Avancada - CNCA | RIPE | ASSIGNED PA | ● high |
| 194.210.100.0/23 | Centro Nacional de Computacao Avancada - CNCA | RIPE | ASSIGNED PA | ● high |
| 194.210.102.0/24 | Centro Nacional de Computacao Avancada - CNCA | RIPE | ASSIGNED PA | ● high |
| 194.210.120.0/23 | Centro Nacional de Computacao Avancada - CNCA | RIPE | ASSIGNED PA | ● high |
| 2001:690:2150::/48 | Centro Nacional de Computacao Avancada - CNCA | RIPE | ASSIGNED | ● high |
| 2001:690:2151::/48 | Centro Nacional de Computacao Avancada - CNCA | 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
(8 of 8)
Possible discrepancies (7)
These blocks are registered to Centro Nacional de Computacao Avancada - CNCA 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.
| 2001:690:2150::/48 /48 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 2001:690:2151::/48 /48 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 194.210.120.0/23 /23 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 194.210.100.0/23 /23 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.136.75.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 194.210.102.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.136.149.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
NIC Handles
AS1930-MNT
DUMY-RIPE
DUMY-RIPE
ORG-CNDC4-RIPE
ORG-INDC7-RIPE
ORG-LDIE5-RIPE