AS200454 Tomas Oliveira Valente Leite de Castro 🇵🇹 PT
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
3
258 × /48
Upstreams
3
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS200454
- Name
- Tomas Oliveira Valente Leite de Castro
- Organisation
- Tomas Oliveira Valente Leite de Castro
- Country
- 🇵🇹 PT
- RIR
- RIPENCC
- Allocated
- 2022-12-19
- Network type
- Educational/Research
- Traffic levels
- 20-50Gbps
- Scope
- Global
- Peering policy
- Open
- IRR as-set
- RIPE::AS-LEGACY
- Website
- https://leitecastro.com
- Looking glass
- https://lg.castrotelecom.net
- PeeringDB
- net/32069
- Exchanges
- 2
- Facilities
- 3
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
5 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 23.147.168.0/24 v4 | no ROA | 43 | 345494960050666200454 | 2026-09-18 |
| 131.143.87.0/24 v4 | RPKI valid | 40 | 557206939200454 | 2026-09-18 |
| 2602:faa5::/48 v6 | no ROA | 33 | 34927200454 | 2026-09-18 |
| 2a0a:6040:aa00::/40 v6 | RPKI valid | 37 | 34927200454 | 2026-09-18 |
| 2a0f:b241:10::/48 v6 | RPKI valid | 37 | 6939200454 | 2026-09-18 |