AS21574 Century Telecom Ltda 🇧🇷 BR
Announcing 7 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
13,824 (54 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
11
transit providers observed
Peers
20
settlement-free adjacencies
Downstreams
102
transit customers observed
Customer cone
202
ASes reachable through it
Registry and operator data
- AS number
- AS21574
- Name
- Century Telecom Ltda
- Organisation
- CENTURY TELECOM
- Country
- 🇧🇷 BR
- RIR
- LACNIC
- Allocated
- 2001-06-07
- Network type
- NSP
- Traffic levels
- 50-100Gbps
- Scope
- South America
- Peering policy
- Open
- IRR as-set
- RADB::AS-21574-CENTURY
- Website
- http://www.century.net.br
- PeeringDB
- net/9035
- Exchanges
- 12
- Facilities
- 6
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
7 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 168.227.200.0/22 v4 | no ROA | 42 | 2448221574 | 2026-09-18 |
| 186.249.224.0/20 v4 | no ROA | 42 | 2448221574 | 2026-09-18 |
| 187.1.176.0/20 v4 | no ROA | 42 | 2448221574 | 2026-09-18 |
| 187.1.176.0/24 v4 | no ROA | 10 | 55720693921574 | 2026-09-18 |
| 187.1.178.0/24 v4 | no ROA | 26 | 3454921574 | 2026-09-18 |
| 200.169.0.0/20 v4 | no ROA | 42 | 2448221574 | 2026-09-18 |
| 2804:23ec::/32 v6 | no ROA | 34 | 3454921574 | 2026-09-18 |