Tomas Oliveira Valente Leite de Castro
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 10 · 1,537 IPv4 addresses |
| IPv6 | 5 prefixes (largest 2a0a:6040:aa00::/40) |
| Record ID | 237039399 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 23.147.168.98/32 | Tomas Oliveira Valente Leite de Castro | PEERINGDB | ASSIGNED | ● high |
| 206.51.7.188/32 | Tomas Oliveira Valente Leite de Castro | PEERINGDB | ASSIGNED | ● high |
| 2001:504:1b:1::188/128 | Tomas Oliveira Valente Leite de Castro | PEERINGDB | ASSIGNED | ● high |
| 2602:faa5:200::2/128 | Tomas Oliveira Valente Leite de Castro | PEERINGDB | ASSIGNED | ● high |
| 23.147.168.0/24 | Tomas Oliveira Valente Leite de Castro | BGP | ANNOUNCED | ● medium |
| 131.143.87.0/24 | Tomas Oliveira Valente Leite de Castro | BGP | ANNOUNCED | ● medium |
| 199.16.240.0/22 | Tomas Oliveira Valente Leite de Castro | BGP | ANNOUNCED | ● medium |
| 2602:faa5::/48 | Tomas Oliveira Valente Leite de Castro | BGP | ANNOUNCED | ● medium |
| 2a0a:6040:aa00::/40 | Tomas Oliveira Valente Leite de Castro | BGP | ANNOUNCED | ● medium |
| 2a0f:b241:10::/48 | Tomas Oliveira Valente Leite de Castro | BGP | ANNOUNCED | ● medium |
IPv6 ranges (5)
Footprint over time
11 weekly snapshots · JSON
11
-1 netblocks since 2026-07-05
2026-07-05
peak 12
2026-09-06
Network trust
what's this?
RPKI hygiene: B
how networks compare →
90.9%
of checked blocks have valid RPKI ROA coverage
(10 of 11)
No discrepancies found among checked blocks.
NIC Handles
AS200454
AS200454
CASTRO-MNT
CLOUDIE-MNT
DUMY-RIPE
DUMY-RIPE
GOCODEIT-AUTO-MNT
GOCODEIT-MNT
ORG-TOVL1-RIPE