AS200454 TOM-AS Tomas Oliveira Valente Leite de Castro
🇵🇹Org handle: ORG-TOVL1-RIPE
Tomas Oliveira Valente Leite de Castro
RIPE NCCallocated
Announced Prefixes (BGP)
7total
3 IPv44 IPv6
IPv4 Addresses
Allocated (RIR)256
Announced (BGP)1,536
IPv6 Addresses
Allocated (RIR)3.1×10²⁶
Announced (BGP)5.2×10²⁷
Routing hygiene
Score 40/100 · Medium riskRPKI ROA coverage
42.9%
no RPKI invalid prefixes
IRR route objects
42.9%
4 prefixes registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
3
diversity 61/100
- 57% of announced prefixes (4 of 7) have no valid ROA
- 1 prefix registered in IRR route objects for another active network and not authorized by a ROA
- 57% of announced prefixes (4 of 7) have no IRR route object for this ASN
Based on 7 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained
Announced Prefixes
(BGP)7|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | ARIN | 2026-10-26 | |
| Valid | ARIN | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 |
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 23.147.168.0/24 | 🇺🇸 US | ARIN | allocated |
| 2a0a:6040:aa00::/40 | 🇵🇹 PT | RIPE | assigned |
| 2a0f:b241:10::/48 | 🇪🇺 EU | RIPE | assigned |
All 7 announced prefixes of AS200454 →
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS200454 hands its own prefixes to: transit providers, or peers at an exchange.
ASPA
No ASPA
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS200454 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/200454Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/200454" | jq