QUEST SOFTWARE INC.

Quest Software Inc
Data as of 2026-08-09
GLEIF verified
LEI
549300LMV4JEXTGLE324
Registered name
QUEST SOFTWARE INC.
Jurisdiction
US-DE
Ultimate parent
QUEST SOFTWARE US HOLDINGS INC.
54930052G52L5K3UK623
Cluster stats
Netblocks9 · 1,036 IPv4 addresses
IPv6 3 prefixes (largest 2a00:2381:358f::/48)
Registered in Netherlands (3) · United States (3)
All fragments 10 blocks across 2 clusters
Cluster ID218338756
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300LMV4JEXTGLE324
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

7 weekly snapshots · JSON
9 +1 netblocks since 2026-07-05
2026-07-05 peak 9 2026-08-09

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
170.76.180.0/22 Quest Software Inc ARIN DIRECT ALLOCATION ● high
170.76.182.0/24 Quest Software Inc BGP ANNOUNCED ● high
170.76.183.0/24 Quest Software Inc BGP ANNOUNCED ● high
87.252.202.96/30 QUEST_SOFTWARE RIPE ASSIGNED PA ● low
87.252.202.100/30 QUEST_SOFTWARE RIPE ASSIGNED PA ● low
87.252.202.104/30 QUEST_SOFTWARE RIPE ASSIGNED PA ● low
2a00:2381:358f::/48 QUEST-SOFTWARE RIPE AGGREGATED-BY-LIR ● low
2a05:9800:8010:2e::/64 QUEST_SOFTWARE RIPE ASSIGNED ● low
2a05:9800:8010:2f::/64 QUEST_SOFTWARE RIPE ASSIGNED ● low

IPv6 ranges (3)

CIDR
2a00:2381:358f::/48
2a05:9800:8010:2e::/64
2a05:9800:8010:2f::/64

Network trust

what's this?
RPKI hygiene: C how networks compare →
66.7% of checked blocks have valid RPKI ROA coverage (6 of 9)
Possible discrepancies (1)

These blocks are registered to Quest Software Inc but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:358f::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

ADMIN9400-ARIN AS395971 BTNET-MNT CCJ7-ARIN DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT GARCI1321-ARIN GARCI1321-ARIN GARCI1321-ARIN NETWO8827-ARIN +1 more