COSTAR GROUP, INC.

COSTAR GROUP Inc.
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
2 linked clusters · 24 netblocks · 12,044 IPv4 addresses · 3 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
984500Q1D53D08E2E698
Registered name
COSTAR GROUP, INC.
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks13 · 3,840 IPv4 addresses
All fragments 24 blocks across 2 clusters
Cluster ID214445511
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 984500Q1D53D08E2E698
Shared handles clustered on 2 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-26

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
8.39.162.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
8.43.77.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
38.64.74.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
38.103.15.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
38.109.150.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
63.86.105.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
65.200.12.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
65.210.23.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
65.210.120.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
65.222.180.0/23 COSTAR GROUP Inc. BGP ANNOUNCED ● high
65.246.30.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high
97.65.16.0/23 COSTAR GROUP Inc. BGP ANNOUNCED ● high
204.253.48.0/24 COSTAR GROUP Inc. BGP ANNOUNCED ● high

Corporate group (2 confirmed entities)

+1 additional unconfirmed candidate not shown — full list (JSON)

NIC Handles

AS11160 AS14652