Data as of Nov 14, 2026

209.136.66.0/24

No anonymizer space · no proxy exits in 30 days

Data102 · space held by Level 3 Parent, LLC

Announcement
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
209.136.0.0/16
since Nov 2016
AS3549Internet provider51
4 always on
Level 3 Parent, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
209.136.0.0/1665,536ESPIRE-4BLLevel 3 Parent, LLC (LPL-141) · USDirect AllocationAug 22, 1997abuse@level3.com
└ 209.136.66.0/23512OPTNET-BLK1-20060921Optimum Network Services (ONS-19) · USReallocatedSep 21, 2006ipadmin@data102.com

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

209.136.66.0/23

Routing history

Pattern
Stable
First seen
Sep 2006
Current origin since
Sep 2006 · 20 yr
Origin networks
1