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

2 valid (5.1%) 0 invalid (0.0%) 37 no ROA (94.9%)

Announced prefixes

39 in total

Prefix RPKI Peers Sample path First seen
23.128.104.0/23 v4 no ROA 41 34549646121557 2026-09-18
23.128.104.0/24 v4 RPKI valid 42 34549646121557 2026-09-18
23.128.105.0/24 v4 RPKI valid 42 34549646121557 2026-09-18
64.15.208.0/20 v4 no ROA 42 34549646121557 2026-09-18
64.15.212.0/24 v4 no ROA 42 34549646121557 2026-09-18
64.15.213.0/24 v4 no ROA 42 34549646121557 2026-09-18
64.15.215.0/24 v4 no ROA 42 34549646121557 2026-09-18
64.15.218.0/24 v4 no ROA 42 34549646121557 2026-09-18
64.15.221.0/24 v4 no ROA 42 34549646121557 2026-09-18
64.15.222.0/24 v4 no ROA 42 34549646121557 2026-09-18
64.15.223.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.48.0/20 v4 no ROA 42 34549646121557 2026-09-18
75.127.48.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.49.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.51.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.52.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.53.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.54.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.57.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.61.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.62.0/24 v4 no ROA 42 34549646121557 2026-09-18
75.127.63.0/24 v4 no ROA 42 34549646121557 2026-09-18
104.218.188.0/22 v4 no ROA 41 34549646121557 2026-09-18
104.218.188.0/24 v4 no ROA 42 34549646121557 2026-09-18
104.218.189.0/24 v4 no ROA 42 34549646121557 2026-09-18
104.218.190.0/24 v4 no ROA 42 34549646121557 2026-09-18
104.218.191.0/24 v4 no ROA 42 34549646121557 2026-09-18
147.92.120.0/21 v4 no ROA 41 34549646121557 2026-09-18
147.92.120.0/22 v4 no ROA 42 34549646121557 2026-09-18
147.92.124.0/22 v4 no ROA 42 34549646121557 2026-09-18
162.219.200.0/22 v4 no ROA 42 34549646121557 2026-09-18
162.219.200.0/24 v4 no ROA 42 34549646121557 2026-09-18
162.219.201.0/24 v4 no ROA 42 34549646121557 2026-09-18
162.219.202.0/24 v4 no ROA 42 34549646121557 2026-09-18
162.219.203.0/24 v4 no ROA 42 34549646121557 2026-09-18
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