Autonomous system profile

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

AS33741

Announcement observedARIN

Dennis Group · DENNIS-GROUP

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

Last active10/1/2026, 02:09:25Snapshot expired

View network topology RDAP registration

ASN: AS33741
Registration country: United States
Name: Dennis Group
Abbreviation: DENNIS-GROUP
Registration date: 7/26/2024, 17:19:56
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
142.249.168.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
142.249.168.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
142.249.169.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
142.249.170.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
142.249.171.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
23.184.184.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Dennis Group
RIR: ARIN
Registration country: United States
Registration date: 7/26/2024, 17:19:56
Abuse contact: ITAdmin@dennisgroup.com

Snapshot trend

10/1/2026, 02:09:256 v43 v65 Upstream · 0 Uncertain

10/1/2026, 01:48:170 v40 v60 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 · iana-rdap-asn-bootstrap · rir-rdap-asn