Data as of Nov 5, 2026

209.166.128.0/18

No anonymizer space · no proxy exits in 30 days

Expedient

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
97% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
209.166.148.0/24
since Apr 2011
AS36298BusinessExpedient
209.166.149.0/24
since Apr 2011
AS36298BusinessExpedient
209.166.159.0/24
since Jan 2023
AS17054HostingExpedient

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
209.166.128.0/1816,384EXPEDIENT-18Expedient (CBL-169) · USDirect AllocationDec 17, 1997operations-support@expedient.com
└ 209.166.143.0/24256COLOIP-2unknown———
└ 209.166.148.0/24256EXP-INFOCISIONInfoCision Management Corporation (IMC-92) · USReassignedJun 11, 2025brandonh@infocision.com
└ 209.166.170.0/24256CUST-209-166-170-0-24unknown———
└ 209.166.183.0/24256PTC-209-166-183-0unknown———
└ 209.166.190.80/2816DCTunknown———

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
Hosting15,87297%7
Business5123.1%2

Network & registry

Origin network

AS17054

US
Name
Expedient
Type
Hosting
Registered
Jul 18, 2000
Domain
expedient.com
Website
www.expedient.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed