AS25577MAINFRAME & CYBERNETIC SYSTEMS LIMITED
United KingdomRegistryRIPE NCCTypeCarrierAt a glance
IPv4 prefixes
IPv6 prefixes
IPv4 addresses
IPv6 /64s
Upstream graph
The networks AS25577 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS25577 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
- 4123%
- Peers
- 13173%
- Downstreams
- 84%
Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 41.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS3257GTT Communications Inc. |  US | Peer | 1,771 | 107 |
| AS174Cogent Communications, LLC | US | Peer | 1,758 | 38 |
| AS6939Hurricane Electric LLC | US | Peer | 355 | 18 |
| AS4637Telstra International Limited |  HK | Peer | 279 | 6 |
| AS6667Elisa Oyj |  FI | Peer | 186 | 2 |
| AS14537Continent 8 LLC | US | Peer | 185 | 2 |
| AS38880Micron21 Datacentre Pty Ltd |  AU | Peer | 184 | 2 |
| AS25091IP-Max SA |  CH | Peer | 179 | 2 |
| AS13030Init7 (Switzerland) Ltd. | CH | Peer | 178 | 2 |
| AS18106Viewqwest Pte Ltd |  SG | Peer | 178 | 2 |
Prefixes
All 55The largest blocks AS25577 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 84.45.64.0/18 | 16.4k | 79/80 |
| 84.45.32.0/19 | 8.2k | 79/80 |
| 84.45.16.0/20 | 4.1k | 79/80 |
| 81.27.88.0/21 | 2k | 79/80 |
| 84.45.8.0/21 | 2k | 79/80 |
| 109.104.120.0/21 | 2k | 79/80 |
| 5.133.184.0/22 | 1k | 79/80 |
| 37.58.24.0/22 | 1k | 79/80 |
| 81.27.80.0/22 | 1k | 79/80 |
| 81.27.88.0/22 | 1k | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.