AS27895 Nucleo S.A.
IPv4 addresses
34,048
IPv6 /48 networks
23,560
RPKI
113 valid0 no ROA
Peers and downstreams
5
Holder
- AS name
- AS27895
- Description
- LACNIC generated autnum for Núcleo S.A.
- Organisation
- Nucleo S.A.
- Abuse contact
- Not published
- Assigned
- 2009-06-21
181.1.152.0/23181.1.154.0/23181.103.0.0/23181.103.12.0/24181.103.13.0/24181.103.14.0/23181.103.2.0/23181.103.4.0/23181.85.208.0/24181.85.209.0/24181.85.210.0/24181.85.211.0/24181.85.212.0/23181.91.84.0/23181.91.86.0/23181.94.197.0/24181.94.208.0/23181.94.210.0/24181.94.212.0/22181.94.220.0/22181.94.224.0/23181.94.226.0/23181.94.228.0/24181.94.229.0/24181.94.230.0/24181.94.231.0/24181.94.232.0/23181.94.234.0/23181.94.236.0/23181.94.238.0/24181.94.241.0/24181.94.242.0/23181.94.244.0/22181.94.248.0/23181.94.250.0/24190.104.128.0/23190.104.130.0/23190.104.132.0/23190.104.134.0/24190.104.135.0/24190.104.136.0/24190.104.137.0/24190.104.138.0/24190.104.139.0/24190.104.140.0/24190.104.141.0/24190.104.142.0/23190.104.144.0/23190.104.146.0/24190.104.147.0/24190.104.148.0/23190.104.150.0/23190.104.152.0/23190.104.154.0/23190.104.156.0/23190.104.158.0/23190.104.160.0/23190.104.162.0/24190.104.163.0/24190.104.164.0/23190.104.165.0/24190.104.166.0/23190.104.168.0/23190.104.168.0/24190.104.169.0/24190.104.170.0/23190.104.172.0/23190.104.174.0/24190.104.175.0/24190.104.176.0/23190.104.176.0/24190.104.177.0/24190.104.178.0/23190.104.180.0/24190.104.181.0/24190.104.182.0/24190.104.183.0/24190.104.184.0/21200.3.248.0/23200.3.250.0/23200.3.252.0/23200.3.254.0/23
2803:2a00::/382803:2a00:1000::/382803:2a00:1400::/382803:2a00:1800::/382803:2a00:2000::/382803:2a00:2400::/382803:2a00:2800::/382803:2a00:2c00::/382803:2a00:3000::/382803:2a00:3400::/382803:2a00:3c00::/382803:2a00:4000::/382803:2a00:4400::/382803:2a00:8000::/382803:2a00:8c00::/382803:2a00:c00::/382803:2a01::/382803:2a01:1000::/382803:2a01:1c00::/382803:2a01:400::/382803:2a01:800::/382803:2a01:8400::/482803:2a01:8403::/482803:2a01:8c00::/382803:2a01:9800::/482803:2a01:9801::/482803:2a01:9802::/482803:2a01:9803::/482803:2a01:9c00::/482803:2a01:a005::/482803:2a01:c00::/38
| AS7303 | Telecom Argentina S.A. AS7303 |
None seen.
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade B · 81/100| pass | Prefixes covered by valid ROAs 113 of 113 announced prefixes are RPKI valid. |
25/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 31 IPv6 prefixes. |
15/15 |
| partly | More than one upstream 1 upstream seen in BGP. |
5/10 |
| n/a | Working abuse contact We have no registry record to check. |
|
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| n/a | Registry record maintained We have no change date for this record. |
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes
Last 30 days| 2026-10-05 09:05 UTC | Neighbour gone | AS28103 | downstream |