Data as of Nov 13, 2026

209.40.0.0/18

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
>99% of it

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
209.40.0.0/1816,384CENTURYLINK-LEGACY-EMBARQ-BKL-19CenturyLink Communications, LLC (CCL-534) · USDirect AllocationFeb 21, 1997abuse@aup.lumen.com
└ 209.40.0.0/24256SCEN-ITCAMER-1unknown———
└ 209.40.3.32/2732SCEN-EUSTIS-1unknown———
└ 209.40.37.0/24256DCM-209-40-37unknown———
└ 209.40.38.0/23512DCM-209-40-38unknown———
└ 209.40.40.0/23512DCM-209-40-40unknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Residential16,352>99%2
Business320.20%1

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Apr 2013 · 14 yr
Origin networks
2
Last change of origin
Apr 2013
Recorded history

History

Handoffs
1