// ASN
AS33741
DENNIS-GROUP - Dennis Group, US
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS33741
- Organization
- Dennis Group
- Description
- DENNIS-GROUP - Dennis Group, US
- Country
- US
- State / Region
- MA
- City
- Springfield
- Address
- 1537 Main Street
- Registry (RIR)
- ARIN
- Created
- 2024-06-23
- Updated
- 2025-02-26
- IPv4 Prefixes
- 6
- IPv6 Prefixes
- 3
IPv4 Prefixes
6 total142.249.168.0/22 142.249.168.0/24 142.249.169.0/24 142.249.170.0/24 142.249.171.0/24 23.184.184.0/24
IPv6 Prefixes
3 total2602:819:a000::/40 2602:819:a040::/46 2602:819:a060::/44
What is AS33741?
AS33741 is an Autonomous System Number (ASN) assigned to Dennis Group. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
Looking for more ASN data?
Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.