Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS20398

Announcement observedARIN

CNCS-AS - Controlled Networks and Communications Solutions, Inc. · CNCS-AS

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/20/2026, 15:32:13Snapshot expired

View network topology RDAP registration

ASN: AS20398
Registration country: United States
Name: CNCS-AS - Controlled Networks and Communications Solutions, Inc.
Abbreviation: CNCS-AS
Registration date: 9/18/2006, 23:00:57
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
199.47.68.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
199.47.69.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
199.47.70.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
199.47.71.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
208.72.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
208.72.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
208.72.26.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
208.72.27.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
23.235.48.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
23.235.49.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
23.235.54.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 16:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
74.116.136.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
74.116.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
74.116.139.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
74.116.141.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/20/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CNCS-AS - Controlled Networks and Communications Solutions, Inc.
RIR: ARIN
Registration country: United States
Registration date: 9/18/2006, 23:00:57
Abuse contact: support@controllednetworks.com

Snapshot trend

10/20/2026, 15:32:1315 v40 v65 Upstream · 0 Uncertain

10/1/2026, 05:24:4815 v40 v65 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing