Clark Core Services, LLC

Clark Associates, Inc.
Data as of 2026-07-26
GLEIF verified
LEI
549300X2S08IZLNUKE36
Registered name
Clark Core Services, LLC
Jurisdiction
US-PA
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks8 · 1,280 IPv4 addresses
IPv6 3 prefixes (largest 2001:559:719::/48)
Cluster ID214456715
RegistryBGP
Owner jurisdictionUS-PA
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300X2S08IZLNUKE36
Shared handles clustered on 3 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
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-07-26

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
50.234.136.0/24 Clark Associates, Inc. BGP ANNOUNCED ● high
50.234.137.0/24 Clark Associates, Inc. BGP ANNOUNCED ● high
67.159.200.0/24 Clark Associates, Inc. BGP ANNOUNCED ● high
158.51.243.0/24 Clark Associates, Inc. BGP ANNOUNCED ● high
198.246.233.0/24 Clark Associates, Inc. BGP ANNOUNCED ● high
2001:559:719::/48 Clark Associates, Inc. BGP ANNOUNCED ● high
2001:559:c1d1::/48 Clark Associates, Inc. BGP ANNOUNCED ● high
2606:a600:4::/48 Clark Associates, Inc. BGP ANNOUNCED ● high

IPv6 ranges (3)

CIDR
2001:559:719::/48
2001:559:c1d1::/48
2606:a600:4::/48

Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (4 of 8)
No discrepancies found among checked blocks.

NIC Handles

AS395676 AS395680 AS397933