AS52888
UNIVERSIDADE FEDERAL DE SAO CARLOS Education registered in Brazil
18IPv4 prefixes
4IPv6 prefixes
45%RPKI-valid
#9,736AS Rank
326/327RIS visibility
#439Rank in Brazil
2012-05-24Allocated
UNIVERSIDADE FEDERAL DE SAO CARLOS (AS52888) — Education, registered in Brazil. announces 18 IPv4 prefixes + 4 IPv6 prefixes. Rank in Brazil: #439. Allocated: 2012-05-24.
IPv4 18IPv6 4
Announced prefixes · 22
- v4 186.219.80.0/20 unknown
- v4 186.219.88.0/22 unknown
- v4 186.219.92.0/22 unknown
- v4 200.133.224.0/20 unknown
- v4 200.133.236.0/23 unknown
- v4 200.133.238.0/23 unknown
- v4 200.136.189.0/24 valid
- v4 200.136.190.0/23 valid
- v4 200.136.190.0/24 valid
- v4 200.136.191.0/24 valid
- v4 200.136.192.0/18 unknown
- v4 200.136.248.0/22 valid
- v4 200.18.102.0/24 valid
- v4 200.18.103.0/24 valid
- v4 200.18.104.0/23 valid
- v4 200.18.96.0/21 valid
- v4 200.18.96.0/24 valid
- v4 200.9.84.0/24 unknown
- v6 2801:b0::/32 unknown
- v6 2801:b0:b0::/46 unknown
- v6 2801:b0:c0::/46 unknown
- v6 2801:b0:d0::/46 unknown
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 28 IPv4 · 6 IPv6 announced · RIS visibility 326/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 16 |
| 2026-06-13 | 16 |
| 2026-06-17 | 22 |
Internet Exchanges · 1
- IX.br (PTT.br) São Paulo São Paulo/SP 101 Gbps