Nucleo AB
Núcleo S.A.
Data as of 2026-10-04
GLEIF verified
Complete entity footprint
2 linked clusters ·
129 netblocks ·
37,136 IPv4 addresses ·
33 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
6367005X5BDDN04HBN79
Registered name
Nucleo AB
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 128 · 37,120 IPv4 addresses |
| IPv6 | 33 prefixes (largest 2803:2a00::/32) |
| Also registered under this name | 162 netblocks across 2 separate records |
| Record ID | 245875619 |
| Registry | BGP |
| Owner jurisdiction | SE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 6367005X5BDDN04HBN79 |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (128)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 181.1.152.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.1.154.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.85.208.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.85.209.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.85.210.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.85.211.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.85.212.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.91.84.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.91.86.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.197.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.208.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.210.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.212.0/22 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.220.0/22 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.224.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.226.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.228.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.229.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.230.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.231.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.232.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.234.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.236.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.238.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.241.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.242.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.244.0/22 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.248.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.94.250.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.103.0.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.103.2.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.103.4.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.103.12.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.103.13.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.103.14.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.128.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.130.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.132.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.134.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.135.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.136.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.137.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.138.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.139.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.140.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.141.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.142.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.144.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.146.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.147.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.148.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.150.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.152.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.154.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.156.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.158.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.160.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.162.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.163.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.164.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.165.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.166.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.168.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.168.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.169.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.170.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.172.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.174.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.175.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.176.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.176.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.177.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.178.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.180.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.181.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.182.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.183.0/24 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 190.104.184.0/21 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 200.3.248.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 200.3.250.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 200.3.252.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 200.3.254.0/23 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:c00::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:1000::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:1400::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:1800::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:2000::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:2400::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:2800::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:2c00::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:3000::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:3400::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:3c00::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:4000::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:4400::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:8000::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a00:8c00::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:400::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:800::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:c00::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:1000::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:1c00::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:8400::/48 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:8403::/48 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:8c00::/38 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:9800::/48 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:9801::/48 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:9802::/48 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:9803::/48 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:9c00::/48 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 2803:2a01:a005::/48 | Núcleo S.A. | BGP | ANNOUNCED | ● high |
| 181.1.152.0/22 | Núcleo S.A. | LACNIC | ALLOCATED | ● medium |
| 181.85.208.0/22 | Núcleo S.A. | LACNIC | ALLOCATED | ● medium |
| 181.85.212.0/22 | Núcleo S.A. | LACNIC | ALLOCATED | ● medium |
| 181.91.84.0/22 | Núcleo S.A. | ARIN | ALLOCATED | ● medium |
| 181.94.216.0/21 | UNKNOWN | LACNIC | allocated | ● medium |
| 181.94.224.0/21 | UNKNOWN | LACNIC | allocated | ● medium |
| 181.94.232.0/22 | Núcleo S.A. | LACNIC | ALLOCATED | ● medium |
| 181.103.0.0/20 | UNKNOWN | LACNIC | allocated | ● medium |
| 190.104.128.0/18 | UNKNOWN | LACNIC | allocated | ● medium |
| 190.104.173.64/27 | UNKNOWN | LACNIC | reallocated | ● medium |
| 190.104.179.168/30 | UNKNOWN | LACNIC | reallocated | ● medium |
| 190.104.179.188/30 | UNKNOWN | LACNIC | reallocated | ● medium |
| 200.3.248.0/21 | Núcleo S.A. | LACNIC | ALLOCATED | ● medium |
| 2803:2a00::/32 | UNKNOWN | LACNIC | allocated | ● medium |
| 2803:2a01::/32 | UNKNOWN | LACNIC | allocated | ● medium |
IPv6 ranges (33)
Footprint over time
12 weekly snapshots · JSON
160
+40 netblocks since 2026-07-05
2026-07-05
peak 160
2026-10-04
Domains this organisation publishes
what's this?Other domains hosted in this network
what's this?Corporate group (2 confirmed entities)
- nucleo 1 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(160 of 160)
No discrepancies found among checked blocks.
NIC Handles
AS27895
PY-NUSA-LACNIC
PY-NUSA-LACNIC
SES52
SES52
SES52
SES52
SES52
SES52