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.
View the full entity page →
LEI
6367005X5BDDN04HBN79
Registered name
Nucleo AB
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks128 · 37,120 IPv4 addresses
IPv6 33 prefixes (largest 2803:2a00::/32)
Also registered under this name 162 netblocks across 2 separate records
Record ID245875619
RegistryBGP
Owner jurisdictionSE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 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

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Other domains hosted in this network

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Corporate group (2 confirmed entities)

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