AS23028 Team Cymru Inc. 🇺🇸 US
Announcing 46 prefixes, seen at the RIS collectors.
IPv4 prefixes
30
23,808 (93 × /24)
IPv6 prefixes
16
1 × /32
Upstreams
7
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS23028
- Name
- Team Cymru Inc.
- Organisation
- Team Cymru
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2002-01-04
- Network type
- Educational/Research
- Scope
- Global
- Peering policy
- Open
- IRR as-set
- AS23028:AS-ALL
- Website
- https://www.team-cymru.com/
- PeeringDB
- net/2928
- Exchanges
- 3
- Facilities
- 3
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
30 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 38.229.33.0/24 v4 | no ROA | 47 | 693923028 | 2026-09-18 |
| 38.229.252.0/24 v4 | no ROA | 47 | 693923028 | 2026-09-18 |
| 68.22.187.0/24 v4 | no ROA | 47 | 693923028 | 2026-09-18 |
| 192.138.226.0/24 v4 | no ROA | 47 | 693923028 | 2026-09-18 |
| 203.28.18.0/24 v4 | no ROA | 47 | 693923028 | 2026-09-18 |
| 204.74.64.0/24 v4 | no ROA | 47 | 693923028 | 2026-09-18 |
| 216.31.0.0/18 v4 | no ROA | 47 | 693923028 | 2026-09-18 |
| 216.31.0.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.1.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.2.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.3.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.4.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.6.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.7.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.8.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.9.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.10.0/24 v4 | RPKI valid | 47 | 345491650923028 | 2026-10-14 |
| 216.31.11.0/24 v4 | RPKI valid | 41 | 3454917423028 | 2026-10-28 |
| 216.31.12.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.13.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.14.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.15.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.17.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.18.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |
| 216.31.19.0/24 v4 | RPKI valid | 44 | 345491650923028 | 2026-09-18 |
| 216.31.20.0/24 v4 | RPKI valid | 43 | 34549646123028 | 2026-09-18 |
| 216.31.36.0/24 v4 | no ROA | 43 | 34549646123028 | 2026-09-18 |
| 216.31.37.0/24 v4 | RPKI valid | 43 | 34549325723028 | 2026-09-18 |
| 216.31.38.0/24 v4 | RPKI valid | 43 | 34549291423028 | 2026-09-18 |
| 216.31.39.0/24 v4 | RPKI valid | 47 | 693923028 | 2026-09-18 |