Data as of Nov 8, 2026

209.161.160.0/19

No anonymizer space · no proxy exits in 30 days

Alaska Communications Systems Group, Inc. · space held by Alaska Fiberstar

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
209.161.160.0/198,192AFS-1Alaska Fiberstar (ALFS) · USDirect AllocationFeb 21, 2001ipnetops@wcicable.com
└ 209.161.160.0/23512AFS-209-161-160-0-CVunknown———
└ 209.161.162.0/24256AFS-209-161-162-0-CVunknown———
└ 209.161.163.0/24256AFS-209-161-163-0-CVunknown———
└ 209.161.164.0/24256AFS-209-161-164-0-CVunknown———
└ 209.161.165.0/24256AFS-209-161-165-0-CVunknown———
└ 209.161.166.0/24256AFS-209-161-166-0-CVunknown———
└ 209.161.167.0/24256AFS-209-161-167-0-CVunknown———
└ 209.161.168.0/23512AFS-209-161-168-CVunknown———
└ 209.161.170.0 - 209.161.172.223736AFS-209-161-170-UUunknown———
└ 209.161.173.176/2816AFS-209-161-173-F7unknown———
└ 209.161.178.0/23512AFS-209-161-178-CVunknown———
└ 209.161.180.0/23512AFS-209-161-180-0-CVunknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
Residential8,176>99%2
Business160.20%1

Network & registry

Origin network

AS7782

US
Name
Alaska Communications Systems Group, Inc.
Type
Internet provider
Registered
Jan 10, 1997
Domain
alsk.com
Website
www.acsalaska.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed