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Data as of Nov 9, 2026

66.213.160.0/20

No anonymizer space · no proxy exits in 30 days

The Iserv Company, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS4208
Type
Internet provider
77% 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
66.213.160.0/204,096ISERVThe Iserv Company, LLC (ISER) · USDirect AllocationFeb 3, 2003net-admin@iserv.net
└ 66.213.160.0/23512COOKEGROUP-DSL-512unknown———
└ 66.213.162.0/24256COOKEGROUP-CHI-OFFICE-256unknown———
└ 66.213.163.0/25128COOKEGROUP-CHI-OFFICE-128unknown———
└ 66.213.163.128/25128COOKEGROUP-VHWEB-128unknown———
└ 66.213.164.0/24256COOKEGROUP-CHI-OFFICE2-256unknown———
└ 66.213.168.0/23512COOKEGROUP-DNV-OFFICE-512unknown———
└ 66.213.170.16/2816COOKEGROUP-DNV-VERMCO-16unknown———
└ 66.213.170.32/2816COOKEGROUP-DNV-CHARTER-16unknown———
└ 66.213.170.112/298COOKEGROUP-DNV-CARMACK-8unknown———
└ 66.213.170.120/298COOKEGROUP-DNV-DSAN-8unknown———
└ 66.213.170.128/25128COOKEGROUP-DNV-INAT1-128unknown———
└ 66.213.171.0/24256COOKEGROUP-DNV-OFFICE2-256unknown———
└ 66.213.172.0/24256COOKEGROUP-DNV-WL-256unknown———
└ 66.213.173.0/24256COOKEGROUP-HTN-OFFICE-256unknown———
└ 66.213.174.0/24256COOKEGROUP-HTN-WL-256unknown———
└ 66.213.175.0/24256COOKEGROUP-ROS-OFFICE-256unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Internet provider3,15277%4
Residential51213%1
Business43211%7

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS4208

US
Name
The Iserv Company, LLC
Type
Internet provider
Registered
Jan 5, 1995
Domain
iserv.net
Spamhaus ASN-DROP
not listed