Data as of Nov 10, 2026
Autonomous system

AS16503

Zayo Bandwidth

Announces 20,736 addresses in 4 prefixes. None of it is anonymizer space.

Type
Internet provider
US

Announced prefixes

Arrived
PrefixTypeRPKI
64.20.96.0/19
since Sep 2006
Internet provider
64.124.127.0/24
since May 2014
Internet provider
66.45.192.0/19
since May 2005
Internet provider
216.178.48.0/20
since May 2005
Internet provider

Network & history

The space it routes itself

Address share by type

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it