AS28571UNIVERSIDADE DE SAO PAULO
BrazilRegistryLACNICAt a glance
IPv4 prefixes
48
IPv6 prefixes
9
IPv4 addresses
176k
IPv6 /64s
4.3B
Upstream graph
The networks AS28571 is seen behind, one and two hops out, drawn from real AS paths.
AS28571Toward the internet core
Networks observed one and two hops upstream of AS28571 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
61
adjacent networks
- Upstreams
- 1118%
- Peers
- 5082%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS10429Vivo (Telefônica Brasil) | BR | Peer | 2,908 | 142 |
| AS61610ELEA DATA CENTERS | BR | Peer | 1,092 | 69 |
| AS1251FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO | BR | Peer | 154 | 10 |
| AS6939Hurricane Electric LLC |  US | Peer | 87 | 23 |
| AS1916RNP - Rede Nacional de Ensino e Pesquisa | BR | Peer | 54 | 54 |
| AS14537Continent 8 LLC | US | Peer | 20 | 3 |
| AS32590Valve Corporation | US | Peer | 19 | 2 |
| AS132337Axclusive |  SG | Peer | 17 | 1 |
| AS137409GSL Networks Pty LTD |  AU | Peer | 2 | 2 |
| AS266213PLANETCLICK TELECOMUNICACOES LTDA | BR | Peer | 1 | 1 |
Prefixes
All 57The largest blocks AS28571 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 143.107.0.0/16 | 65.5k | 80/80 |
| 177.90.128.0/17 | 32.8k | 80/80 |
| 177.90.64.0/18 | 16.4k | 80/80 |
| 200.144.192.0/18 | 16.4k | 80/80 |
| 177.90.32.0/19 | 8.2k | 80/80 |
| 200.144.160.0/19 | 8.2k | 80/80 |
| 200.17.16.0/20 | 4.1k | 80/80 |
| 200.136.0.0/20 | 4.1k | 80/80 |
| 200.144.48.0/20 | 4.1k | 80/80 |
| 200.144.184.0/21 | 2k | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.