AS36671TWO SIGMA INVESTMENTS, LP
United StatesRegistryARINAt a glance
IPv4 prefixes
14
IPv6 prefixes
2
IPv4 addresses
4.4k
IPv6 /64s
16.8M
Upstream graph
The networks AS36671 is seen behind, one and two hops out, drawn from real AS paths.
AS36671Toward the internet core
Networks observed one and two hops upstream of AS36671 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
20
adjacent networks
- Upstreams
- 840%
- Peers
- 1260%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS174Cogent Communications, LLC | US | Peer | 360 | 136 |
| AS3356Lumen (Level 3) | US | Peer | 298 | 117 |
| AS1299Arelion (fka. Telia Carrier) |  SE | Peer | 227 | 80 |
| AS3257GTT Communications Inc. | US | Peer | 100 | 79 |
| AS3491PCCW Global (HK) Ltd. |  HK | Peer | 89 | 62 |
| AS6461Zayo Bandwidth | US | Peer | 63 | 42 |
| AS701Verizon Business | US | Peer | 55 | 48 |
| AS7018AT&T Enterprises, LLC | US | Peer | 37 | 33 |
Prefixes
The largest blocks AS36671 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 208.77.212.0/22 | 1k | 80/80 |
| 8.2.105.0/24 | 256 | 80/80 |
| 8.245.33.0/24 | 256 | 79/80 |
| 38.27.161.0/24 | 256 | 79/80 |
| 38.97.45.0/24 | 256 | 80/80 |
| 38.108.14.0/24 | 256 | 79/80 |
| 38.117.134.0/24 | 256 | 79/80 |
| 46.183.200.0/24 | 256 | 80/80 |
| 46.183.201.0/24 | 256 | 79/80 |
| 207.226.133.0/24 | 256 | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.