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
4
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
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS34927 iFog GmbH | 🇨🇭 CH | 20,252 | 40 | 2 | inferred |
| AS52025 ParadoxNetworks Limited | 🇬🇧 GB | 20,165 | 15 | 3 | inferred |
| AS12186 GVVME | 🇺🇸 US | 331 | 5 | 137 | CAIDA |
| AS50666 LigaT Telecom Sociedade Unipessoal LDA | 🇵🇹 PT | 4 | 4 | 42 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 55,748 | 236 | 87 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS19577 CASTRO TELECOM LLC | 🇺🇸 US | 2 | 2 | 41 | CAIDA |
| AS33733 CASTRO TELECOM LLC | 🇺🇸 US | 0 | 2 | 41 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.