AS23028 Team Cymru Inc. 🇺🇸 US
Announcing 45 prefixes, seen at the RIS collectors.
IPv4 prefixes
28
23,296 (91 × /24)
IPv6 prefixes
17
1 × /32
Upstreams
7
transit providers observed
Peers
13
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
45 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 38.229.33.0/24 v4 | no ROA | 48 | 3454923028 | 2026-09-18 |
| 38.229.252.0/24 v4 | no ROA | 48 | 3454923028 | 2026-09-18 |
| 68.22.187.0/24 v4 | no ROA | 48 | 3454923028 | 2026-09-18 |
| 192.138.226.0/24 v4 | no ROA | 48 | 3454923028 | 2026-09-18 |
| 203.28.18.0/24 v4 | no ROA | 48 | 3454923028 | 2026-09-18 |
| 204.74.64.0/24 v4 | no ROA | 48 | 3454923028 | 2026-09-18 |
| 216.31.0.0/18 v4 | no ROA | 48 | 3454923028 | 2026-09-18 |
| 216.31.0.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.1.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.2.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.3.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.4.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.6.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.7.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.8.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.9.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.12.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.13.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.14.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.15.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.17.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.18.0/24 v4 | no ROA | 48 | 3772123028 | 2026-09-18 |
| 216.31.19.0/24 v4 | RPKI valid | 43 | 345491650923028 | 2026-09-18 |
| 216.31.20.0/24 v4 | no ROA | 42 | 34549646123028 | 2026-09-18 |
| 216.31.36.0/24 v4 | no ROA | 42 | 34549646123028 | 2026-09-18 |
| 216.31.37.0/24 v4 | no ROA | 42 | 34549325723028 | 2026-09-18 |
| 216.31.38.0/24 v4 | no ROA | 42 | 34549291423028 | 2026-09-18 |
| 216.31.39.0/24 v4 | no ROA | 47 | 693923028 | 2026-09-18 |
| 2604:8800::/32 v6 | no ROA | 38 | 3454923028 | 2026-09-18 |
| 2604:8800::/47 v6 | no ROA | 38 | 2448223028 | 2026-09-18 |
| 2604:8800:20::/48 v6 | no ROA | 34 | 34549646123028 | 2026-09-18 |
| 2604:8800:50::/47 v6 | no ROA | 38 | 2448223028 | 2026-09-18 |
| 2604:8800:52::/48 v6 | no ROA | 38 | 2448223028 | 2026-09-18 |
| 2604:8800:53::/48 v6 | no ROA | 38 | 2448223028 | 2026-09-18 |
| 2604:8800:60::/48 v6 | no ROA | 38 | 2448223028 | 2026-09-18 |
| 2604:8800:61::/48 v6 | no ROA | 38 | 2448223028 | 2026-09-18 |
| 2604:8800:64::/48 v6 | no ROA | 34 | 34549646123028 | 2026-09-18 |
| 2604:8800:65::/48 v6 | no ROA | 34 | 34549325723028 | 2026-09-18 |
| 2604:8800:66::/48 v6 | no ROA | 33 | 38001291423028 | 2026-09-18 |
| 2604:8800:67::/48 v6 | no ROA | 38 | 693923028 | 2026-09-18 |
| 2604:8800:68::/48 v6 | no ROA | 34 | 34549646123028 | 2026-09-18 |
| 2604:8800:69::/48 v6 | no ROA | 34 | 34549325723028 | 2026-09-18 |
| 2604:8800:70::/48 v6 | no ROA | 33 | 38001291423028 | 2026-09-18 |
| 2604:8800:71::/48 v6 | no ROA | 38 | 693923028 | 2026-09-18 |
| 2620:0:6b0::/48 v6 | no ROA | 38 | 3454923028 | 2026-09-18 |