AS20021Ntirety, Inc.
United StatesRegistryARINAt a glance
IPv4 prefixes
24
IPv6 prefixes
2
IPv4 addresses
242k
IPv6 /64s
8.6B
Upstream graph
The networks AS20021 is seen behind, one and two hops out, drawn from real AS paths.
AS20021Toward the internet core
Networks observed one and two hops upstream of AS20021 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
59
adjacent networks
- Upstreams
- 1119%
- Peers
- 4576%
- Downstreams
- 35%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS1299Arelion (fka. Telia Carrier) |  SE | Peer | 1,094 | 104 |
| AS3356Lumen (Level 3) | US | Peer | 843 | 51 |
| AS6939Hurricane Electric LLC | US | Peer | 154 | 17 |
| AS4826Vocus Connect International Backbone |  AU | Peer | 52 | 2 |
| AS24482SG.GS |  SG | Peer | 28 | 2 |
| AS49544i3D.net B.V |  NL | Peer | 28 | 2 |
| AS7195EdgeUno |  CO | Peer | 28 | 2 |
| AS293ESnet | US | Peer | 26 | 1 |
| AS13786Seaborn (Seabras USA, LLC) | US | Peer | 26 | 1 |
| AS14537Continent 8 LLC | US | Peer | 4 | 2 |
Prefixes
All 26The largest blocks AS20021 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 76.12.0.0/16 | 65.5k | 80/80 |
| 65.36.128.0/17 | 32.8k | 80/80 |
| 208.112.0.0/17 | 32.8k | 80/80 |
| 66.241.192.0/18 | 16.4k | 80/80 |
| 67.59.128.0/18 | 16.4k | 80/80 |
| 204.12.0.0/18 | 16.4k | 80/80 |
| 65.182.192.0/19 | 8.2k | 80/80 |
| 173.239.96.0/19 | 8.2k | 80/80 |
| 204.12.64.0/19 | 8.2k | 80/80 |
| 204.12.96.0/19 | 8.2k | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.