AS16973 T-Four Services S.A 🇨🇷 CR
Announcing 15 prefixes, seen at the RIS collectors.
IPv4 prefixes
14
6,912 (27 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS16973
- Name
- T-Four Services S.A
- Organisation
- TAG Systems
- Country
- 🇨🇷 CR
- RIR
- LACNIC
- Allocated
- 2000-07-07
- Network type
- Enterprise
- Scope
- Global
- Peering policy
- Open
- Website
- https://www.tagsystems.com/
- PeeringDB
- net/21358
- Exchanges
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
15 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 38.247.112.0/22 v4 | no ROA | 47 | 345491333516973 | 2026-09-18 |
| 168.205.64.0/22 v4 | RPKI valid | 41 | 244825246816973 | 2026-09-18 |
| 168.205.64.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 168.205.65.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 168.205.66.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 190.4.88.0/21 v4 | RPKI valid | 42 | 244825246816973 | 2026-09-18 |
| 190.4.88.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 190.4.89.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 190.4.90.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 190.4.91.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 190.4.92.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 190.4.93.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 190.4.94.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 190.4.95.0/24 v4 | RPKI valid | 47 | 345491333516973 | 2026-09-18 |
| 2803:3100::/32 v6 | RPKI valid | 32 | 3454912995226316973 | 2026-09-18 |