LABORATORY CORPORATION OF AMERICA HOLDINGS

Laboratory Corporation of America
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
3 linked clusters · 46 netblocks · 71,576 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
OZ7UA8IXAIFILY2VZH07
Registered name
LABORATORY CORPORATION OF AMERICA HOLDINGS
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks31 · 71,176 IPv4 addresses
Registered in United States (30) · United Kingdom (1)
Cluster ID213594542
RegistryAPNIC
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI OZ7UA8IXAIFILY2VZH07
Shared handles clustered on 17 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
31 -1 netblocks since 2026-07-05
2026-07-05 peak 32 2026-07-26

IP Ranges (31)

⬇ export CSV
CIDR Org name Registry Status Confidence
12.35.188.0/22 Laboratory Corporation of America BGP ANNOUNCED ● high
12.39.198.0/23 Laboratory Corporation of America BGP ANNOUNCED ● high
12.145.88.0/21 Laboratory Corporation of America BGP ANNOUNCED ● high
62.73.169.48/29 Laboratory Corporation of America BGP ANNOUNCED ● high
65.209.173.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
113.29.67.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.32.0/20 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.48.0/20 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.64.0/20 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.80.0/22 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.84.0/23 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.86.0/23 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.88.0/21 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.96.0/23 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.98.0/23 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.100.0/23 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.102.0/23 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.132.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.133.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.144.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.145.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.160.0/20 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.250.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
203.34.210.0/24 Laboratory Corporation of America Holdings APNIC ASSIGNED PORTABLE ● high
208.49.143.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
208.66.164.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
208.66.165.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
208.66.166.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
208.66.167.0/24 Laboratory Corporation of America BGP ANNOUNCED ● high
162.134.0.0/16 Laboratory Corporation of America ARIN DIRECT ALLOCATION ● low
208.66.164.0/22 Laboratory Corporation of America ARIN DIRECT ALLOCATION ● low

Domains hosted in this network

what's this?
labcorp.com labcorplink.com

Corporate group (3 confirmed entities)

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

Network trust

what's this?
RPKI hygiene: C how networks compare →
58.1% of checked blocks have valid RPKI ROA coverage (18 of 31)
No discrepancies found among checked blocks.

NIC Handles

AL1791-AP APNIC-HM AS18994 AS22502 AS53768 DOMAI110-ARIN DOMAI110-ARIN DOMAI110-ARIN DOMAI110-ARIN DOMAI110-ARIN DOMAI110-ARIN LA322-AP +5 more