Data as of Nov 10, 2026
Autonomous system
AS11160
COSTAR GROUP Inc.
Announces 768 addresses in 3 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 38.64.74.0/24 since Aug 2018 | Business | Cogent Communications, LLC | |
| 65.200.12.0/24 since Aug 2016 | Business | Verizon Business | |
| 204.253.48.0/24 since May 2005 | Business | Verizon Business |
Network & history
Profile
- Registered
- May 1, 1998
- Domain
- costargroup.com
- Industry
- Personal Care and Lifestyle (Barber Shops, Nail Salons, Diet Centers, Laundry, etc)
Routing patterns
How its announcements have moved
Arrivals