AS39521TNGNET B.V.
NetherlandsRegistryRIPE NCCAt a glance
IPv4 prefixes
47
IPv6 prefixes
4
IPv4 addresses
22k
IPv6 /64s
43.2B
Upstream graph
The networks AS39521 is seen behind, one and two hops out, drawn from real AS paths.
AS39521Toward the internet core
Networks observed one and two hops upstream of AS39521 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
180
adjacent networks
- Upstreams
- 3117%
- Peers
- 14279%
- Downstreams
- 74%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS6939Hurricane Electric LLC |  US | Peer | 4,393 | 80 |
| AS6206Netrouting B.V. | NL | Peer | 2,560 | 80 |
| AS6830Liberty Global Europe Holding B.V. |  EU | Peer | 2,042 | 28 |
| AS174Cogent Communications, LLC | US | Peer | 1,705 | 23 |
| AS61138Zappie Host LLC | US | Peer | 1,101 | 142 |
| AS5511Orange S.A. |  FR | Peer | 281 | 83 |
| AS18106Viewqwest Pte Ltd |  SG | Peer | 238 | 2 |
| AS6424EDGOO NETWORKS |  PT | Peer | 140 | 2 |
| AS39122Blacknight Internet Solutions Limited |  IE | Peer | 139 | 2 |
| AS3170VeloxServ Communications Ltd |  GB | Peer | 139 | 2 |
Prefixes
All 51The largest blocks AS39521 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 5.22.204.0/22 | 1k | 80/80 |
| 45.130.100.0/22 | 1k | 80/80 |
| 68.164.0.0/22 | 1k | 80/80 |
| 68.165.140.0/22 | 1k | 80/80 |
| 68.165.176.0/22 | 1k | 80/80 |
| 68.165.208.0/22 | 1k | 80/80 |
| 72.244.124.0/22 | 1k | 80/80 |
| 74.0.132.0/22 | 1k | 79/80 |
| 74.0.160.0/22 | 1k | 79/80 |
| 74.0.200.0/22 | 1k | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.