AS21557 Cybernet Communications, Inc. 🇺🇸 US
Announcing 39 prefixes, seen at the RIS collectors.
IPv4 prefixes
35
21,760 (85 × /24)
IPv6 prefixes
4
1 × /32
Upstreams
3
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
- AS21557
- Name
- Cybernet Communications, Inc.
- Organisation
- Cybernet Communications
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2006-12-07
- Scope
- Not Disclosed
- Peering policy
- Open
- PeeringDB
- net/16671
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2605:5300::/32 v6 | no ROA | 37 | 693921557 | 2026-09-18 |
| 2605:5300:100::/40 v6 | no ROA | 37 | 693921557 | 2026-09-18 |
| 2605:5300:300::/40 v6 | no ROA | 37 | 693921557 | 2026-09-18 |
| 2605:5300:500::/40 v6 | no ROA | 37 | 693921557 | 2026-09-18 |