AS20900IMS Networks SAS
FranceRegistryRIPE NCCTypeCarrierAt a glance
IPv4 prefixes
25
IPv6 prefixes
1
IPv4 addresses
83.2k
IPv6 /64s
4.3B
Upstream graph
The networks AS20900 is seen behind, one and two hops out, drawn from real AS paths.
AS20900Toward the internet core
Networks observed one and two hops upstream of AS20900 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
102
adjacent networks
- Upstreams
- 1717%
- Peers
- 7876%
- Downstreams
- 77%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS3356Lumen (Level 3) |  US | Peer | 1,507 | 72 |
| AS174Cogent Communications, LLC | US | Peer | 1,120 | 94 |
| AS6762Telecom Italia Sparkle (Seabone) |  IT | Peer | 377 | 92 |
| AS6939Hurricane Electric LLC | US | Peer | 179 | 5 |
| AS25091IP-Max SA |  CH | Peer | 60 | 2 |
| AS7713PT Telkom Indonesia Tbk |  ID | Peer | 48 | 2 |
| AS34288Kantonsschule Zug | CH | Peer | 48 | 2 |
| AS132337Axclusive |  SG | Peer | 44 | 1 |
| AS24482SG.GS | SG | Peer | 44 | 1 |
| AS14537Continent 8 LLC | US | Peer | 42 | 1 |
Prefixes
All 26The largest blocks AS20900 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 137.129.0.0/16 | 65.5k | 79/80 |
| 213.190.64.0/19 | 8.2k | 79/80 |
| 31.217.232.0/21 | 2k | 79/80 |
| 185.182.252.0/22 | 1k | 79/80 |
| 91.214.114.0/23 | 512 | 79/80 |
| 137.129.232.0/23 | 512 | 79/80 |
| 137.129.234.0/23 | 512 | 79/80 |
| 137.129.236.0/23 | 512 | 79/80 |
| 31.217.233.0/24 | 256 | 79/80 |
| 91.231.175.0/24 | 256 | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.