Data as of Nov 13, 2026

209.66.65.0/24

No anonymizer space · no proxy exits in 30 days

Threshold Communications,inc. · space held by Zayo Bandwidth

Announcement
this exact prefix
RPKI valid
Announced by
Type
Internet provider
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
209.66.64.0/18
since May 2005
AS6461Internet provider42Zayo Bandwidth

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
209.66.64.0/1816,384NETBLK-ABOVENET2Zayo Bandwidth (ZAYOB) · USDirect AllocationApr 9, 1997abuse@zayo.com
└ 209.66.65.0/24256ABOV--T364-209-66-65-0-24Threshold Communications,inc. (THRES) · USReassignedJul 25, 2012—

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Oct 2007 · 19 yr
Origin networks
3
Last change of origin
Oct 2007
Recorded history

History

Handoffs
2