AS51044Kazuki Yamaguchi
JapanRegistryRIPE NCCAt a glance
IPv4 prefixes
3
IPv6 prefixes
18
IPv4 addresses
1.5k
IPv6 /64s
8.6B
Upstream graph
The networks AS51044 is seen behind, one and two hops out, drawn from real AS paths.
AS51044Toward the internet core
Networks observed one and two hops upstream of AS51044 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 |
|---|---|---|---|---|
| AS20473The Constant Company, LLC |  US | Peer | 333 | 84 |
| AS34549meerfarbig GmbH & Co. KG |  DE | Peer | 242 | 79 |
| AS57578Misaka Network, Inc. | US | Peer | 136 | 62 |
| AS6939Hurricane Electric LLC | US | Peer | 122 | 61 |
| AS57695Misaka Network, Inc. | US | Peer | 111 | 37 |
| AS142616Misaka Network, Inc. | JP | Peer | 15 | 5 |
Prefixes
The largest blocks AS51044 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 45.148.172.0/22 | 1k | 80/80 |
| 45.148.172.0/24 | 256 | 80/80 |
| 45.148.173.0/24 | 256 | 80/80 |
| 2a0f:601::/32 | 4.3B × /64 | 62/62 |
| 2a0f:602::/32 | 4.3B × /64 | 62/62 |
| 2a0f:600:604::/46 | 262k × /64 | 62/62 |
| 2a0f:600:604::/47 | 131k × /64 | 21/62 |
| 2a0f:600:608::/47 | 131k × /64 | 40/62 |
| 2a0f:600:60a::/47 | 131k × /64 | 61/62 |
| 2a0f:600:60c::/47 | 131k × /64 | 61/62 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.