AS16503

Name: AS16503 — Zayo Bandwidth
Creator: ipdex

Zayo Bandwidth Unknown registered in United States

4IPv4 prefixes

0IPv6 prefixes

100%RPKI-valid

#18,455AS Rank

327/327RIS visibility

#6,069Rank in United States

2000-05-04Allocated

Zayo Bandwidth (AS16503) — Unknown, registered in United States. announces 4 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #6069. Allocated: 2000-05-04.

IPv4 4IPv6 0

Announced prefixes · 4

v4 216.178.48.0/20 valid
v4 64.124.127.0/24 valid
v4 64.20.96.0/19 valid
v4 66.45.192.0/19 valid

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

Routing: 4 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

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	4
2026-06-13	4

AS topology · Customer cone 1

Providers · 1

AS19092 Zayo Bandwidth

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