AS274743 FASTWEB TELECOMUNICACOES 🇧🇷 BR
Announcing 10 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
1,024 (4 × /24)
IPv6 prefixes
7
3 × /32
Upstreams
2
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS274743
- Name
- FASTWEB TELECOMUNICACOES
- Organisation
- FASTWEB TELECOMUNICACOES
- Country
- 🇧🇷 BR
- RIR
- LACNIC
- Allocated
- 2025-01-29
- Network type
- Cable/DSL/ISP
- Traffic levels
- 5-10Gbps
- Scope
- Regional
- Peering policy
- Open
- Website
- https://fastwebtelecom.net/
- PeeringDB
- net/38883
- Exchanges
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
10 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 186.251.212.0/23 v4 | no ROA | 42 | 24482274743 | 2026-09-18 |
| 186.251.212.0/24 v4 | no ROA | 42 | 24482274743 | 2026-09-18 |
| 186.251.213.0/24 v4 | no ROA | 42 | 24482274743 | 2026-09-18 |
| 2804:92ec::/32 v6 | no ROA | 34 | 24482274743 | 2026-09-18 |
| 2804:92ec::/33 v6 | no ROA | 34 | 24482274743 | 2026-09-18 |
| 2804:92ec::/34 v6 | no ROA | 34 | 24482274743 | 2026-09-18 |
| 2804:92ec:4000::/34 v6 | no ROA | 34 | 24482274743 | 2026-09-18 |
| 2804:92ec:8000::/33 v6 | no ROA | 34 | 24482274743 | 2026-09-18 |
| 2804:92ec:8000::/34 v6 | no ROA | 34 | 24482274743 | 2026-09-18 |
| 2804:92ec:c000::/34 v6 | no ROA | 34 | 24482274743 | 2026-09-18 |