AS21612FUNDACAO INSTITUTO OSWALDO CRUZ
BrazilRegistryLACNICAt a glance
IPv4 prefixes
27
IPv6 prefixes
0
IPv4 addresses
137k
IPv6 /64s
0
Upstream graph
The networks AS21612 is seen behind, one and two hops out, drawn from real AS paths.
AS21612Toward the internet core
Networks observed one and two hops upstream of AS21612 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
12
adjacent networks
- Upstreams
- 650%
- Peers
- 650%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS2715Fundação Carlos Chagas Filho de Amparo a Pesquisa | BR | Peer | 1,106 | 79 |
| AS1916RNP - Rede Nacional de Ensino e Pesquisa | BR | Peer | 616 | 77 |
| AS262403Net Way Telecom LTDA ME | BR | Peer | 160 | 80 |
| AS10881FUNPAR - Fundacao da UFPR para o DCTC | BR | Peer | 158 | 79 |
| AS14868Ligga Telecomunicações S.A. | BR | Peer | 80 | 80 |
| AS53087TELY Ltda. | BR | Peer | 16 | 2 |
Prefixes
All 27The largest blocks AS21612 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 157.86.0.0/17 | 32.8k | 80/80 |
| 157.86.128.0/17 | 32.8k | 80/80 |
| 157.86.0.0/18 | 16.4k | 79/80 |
| 157.86.64.0/18 | 16.4k | 79/80 |
| 157.86.128.0/18 | 16.4k | 79/80 |
| 157.86.192.0/18 | 16.4k | 79/80 |
| 157.86.48.0/23 | 512 | 79/80 |
| 157.86.94.0/23 | 512 | 80/80 |
| 157.86.43.0/24 | 256 | 79/80 |
| 157.86.47.0/24 | 256 | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.