AS21557

Name: AS21557 — Cybernet Communications, Inc.
Creator: ipdex

Cybernet Communications, Inc. Unknown registered in United States

35IPv4 prefixes

4IPv6 prefixes

5%RPKI-valid

#20,972AS Rank

#892Rank in United States

2006-12-07Allocated

Cybernet Communications, Inc. (AS21557) — Unknown, registered in United States. announces 35 IPv4 prefixes + 4 IPv6 prefixes. Rank in United States: #892. Allocated: 2006-12-07.

IPv4 35IPv6 4

Announced prefixes · 39

v4 104.218.188.0/22 unknown
v4 104.218.188.0/24 unknown
v4 104.218.189.0/24 unknown
v4 104.218.190.0/24 unknown
v4 104.218.191.0/24 unknown
v4 147.92.120.0/21 unknown
v4 147.92.120.0/22 unknown
v4 147.92.124.0/22 unknown
v4 162.219.200.0/22 unknown
v4 162.219.200.0/24 unknown
v4 162.219.201.0/24 unknown
v4 162.219.202.0/24 unknown
v4 162.219.203.0/24 unknown
v4 23.128.104.0/23 unknown
v4 23.128.104.0/24 valid
v4 23.128.105.0/24 valid
v4 64.15.208.0/20 unknown
v4 64.15.212.0/24 unknown
v4 64.15.213.0/24 unknown
v4 64.15.215.0/24 unknown
v4 64.15.218.0/24 unknown
v4 64.15.221.0/24 unknown
v4 64.15.222.0/24 unknown
v4 64.15.223.0/24 unknown
v4 75.127.48.0/20 unknown
v4 75.127.48.0/24 unknown
v4 75.127.49.0/24 unknown
v4 75.127.51.0/24 unknown
v4 75.127.52.0/24 unknown
v4 75.127.53.0/24 unknown
v4 75.127.54.0/24 unknown
v4 75.127.57.0/24 unknown
v4 75.127.61.0/24 unknown
v4 75.127.62.0/24 unknown
v4 75.127.63.0/24 unknown
v6 2605:5300:100::/40 unknown
v6 2605:5300:300::/40 unknown
v6 2605:5300:500::/40 unknown
v6 2605:5300::/32 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	39
2026-06-13	39

AS topology · Customer cone 1

Providers · 2

AS174 Cogent Communications, LLC
AS6461 Zayo Bandwidth

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