AS19855Masergy Communications, Inc.
United StatesRegistryARINAt a glance
IPv4 prefixes
97
IPv6 prefixes
5
IPv4 addresses
198k
IPv6 /64s
12.9B
Upstream graph
The networks AS19855 is seen behind, one and two hops out, drawn from real AS paths.
AS19855Toward the internet core
Networks observed one and two hops upstream of AS19855 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
54
adjacent networks
- Upstreams
- 917%
- Peers
- 2852%
- Downstreams
- 1731%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS3356Lumen (Level 3) | US | Peer | 5,751 | 85 |
| AS7922Comcast Cable Communications, LLC | US | Peer | 1,353 | 83 |
| AS3491PCCW Global (HK) Ltd. |  HK | Peer | 1,049 | 100 |
| AS7473Singapore Telecommunications Ltd |  SG | Peer | 749 | 86 |
| AS7474SingTel Optus Pty Ltd |  AU | Peer | 335 | 101 |
| AS12956Telxius (Telefonica Global) |  ES | Peer | 324 | 87 |
| AS33491Comcast Cable Communications, LLC | US | Peer | 234 | 80 |
| AS174Cogent Communications, LLC | US | Peer | 101 | 68 |
| AS1000LINK AMERICAN | US | Peer | 1 | 1 |
Prefixes
All 102The largest blocks AS19855 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 64.47.0.0/16 | 65.5k | 79/80 |
| 64.138.0.0/17 | 32.8k | 79/80 |
| 64.138.128.0/18 | 16.4k | 79/80 |
| 65.96.0.0/18 | 16.4k | 79/80 |
| 65.96.128.0/18 | 16.4k | 80/80 |
| 80.241.64.0/20 | 4.1k | 79/80 |
| 93.187.16.0/21 | 2k | 79/80 |
| 94.199.128.0/21 | 2k | 79/80 |
| 64.47.72.0/22 | 1k | 79/80 |
| 64.47.76.0/22 | 1k | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.