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General Information
Name:
Costar Group Inc.
Domain:
costargroup.com
Country:
US
Type:
hosting
Registry:
ARIN
Prefix Counts
IPv4 Count:
3,072
IPv6 Count:
19,342,813,113,834,066,795,298,816
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 8.39.162.0/24 | US | LVLT-ORG-8-8 | Level 3 Parent, LLC | ARIN | allocation | 256 |
| 8.43.77.0/24 | US | LVLT-COSTAR-2-8-43-77 | Costar Group Inc. | ARIN | reassignment | 256 |
| 38.103.15.0/24 | US | COGENT-A | Psinet, Inc. | ARIN | allocation | 256 |
| 38.109.150.0/24 | US | COGENT-A | Psinet, Inc. | ARIN | allocation | 256 |
| 63.86.105.0/24 | US | UU-63-86-105-D6 | COSTAR GROUP, INC. | ARIN | reassignment | 256 |
| 65.210.23.0/24 | US | UUNET65 | Verizon Business | ARIN | allocation | 256 |
| 65.210.120.0/24 | US | UU-65-210-120 | COSTAR REALTY | ARIN | reassignment | 256 |
| 65.222.180.0/23 | US | UU-65-222-180 | COSTAR GROUP INC | ARIN | reassignment | 512 |
| 65.246.30.0/24 | US | UU-65-246-30-D4 | ONLINE RESOURCES & COMM CORP | ARIN | reassignment | 256 |
| 97.65.16.0/23 | US | TWTC-COST | Costar Group Inc. | ARIN | reassignment | 512 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2602:812:4000::/44 | US | COSTAR-IPV6-01 | Costar Group | ARIN | allocation |
