Data as of Nov 13, 2026

205.240.36.0/22

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
205.240.0.0/13AS174Internet providerIP broker Rackdog (part)36
2 always on
Cogent Communications, LLC

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
205.240.0.0/13524,288COGENT-205-240-0Cogent Communications, LLC (COGC) · USDirect AllocationApr 24, 1995abuse@cogentco.com
└ 205.240.32.0/204,096FON-34550661121904Ltd Sprint FLA ANS ISP (LTSF) · USReallocatedMar 8, 2002—

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
Nov 2019 · 7.0 yr
Origin networks
3
Last change of origin
Nov 2019
Recorded history

History

Handoffs
2