BLACK DUCK SOFTWARE, INC.

Black Duck Software, Inc.
Data as of 2026-10-11
GLEIF verified
LEI
25490072IW0QZIW9IF13
Registered name
BLACK DUCK SOFTWARE, INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks8 · 3,072 IPv4 addresses
IPv6 1 prefix (largest 2620:121:e000::/44)
Record ID245522411
RegistryBGP
Owner jurisdictionUS-DE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 25490072IW0QZIW9IF13
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
162.223.124.0/24 Black Duck Software, Inc. BGP ANNOUNCED ● high
162.244.4.0/23 Black Duck Software, Inc. ARIN DIRECT ALLOCATION ● high
162.244.4.0/24 Black Duck Software, Inc. BGP ANNOUNCED ● high
192.231.134.0/24 Black Duck Software, Inc. ARIN DIRECT ALLOCATION ● high
209.51.32.0/21 Black Duck Software, Inc. ARIN DIRECT ALLOCATION ● high
209.51.32.0/23 Black Duck Software, Inc. BGP ANNOUNCED ● high
209.51.32.0/24 Black Duck Software, Inc. BGP ANNOUNCED ● high
2620:121:e000::/44 Black Duck Software, Inc. ARIN DIRECT ALLOCATION ● high

IPv6 ranges (1)

Footprint over time

10 weekly snapshots · JSON
9 +3 netblocks since 2026-08-09
2026-08-09 peak 9 2026-10-11

Other domains hosted in this network

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Network trust

what's this?
RPKI hygiene: C how networks compare →
55.6% of checked blocks have valid RPKI ROA coverage (5 of 9)
Possible discrepancies (1)

These blocks are registered to Black Duck 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.

192.231.134.0/24 /24 authorized for AS396982 — Google LLC

NIC Handles

AS397868 AS54651 BDS-141 MAS199-ARIN MAS199-ARIN MAS199-ARIN OWENS401-ARIN RUANK-ARIN