COREWELL HEALTH

Spectrum Health
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
2 linked clusters · 10 netblocks · 134,144 IPv4 addresses
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
5493002M6WR7Y63L2862
Registered name
COREWELL HEALTH
Jurisdiction
US-MI
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks9 · 132,096 IPv4 addresses
Cluster ID214380836
RegistryBGP
Owner jurisdictionUS-MI
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 5493002M6WR7Y63L2862
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
9 +1 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-26

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
162.82.0.0/16 Spectrum Health BGP ANNOUNCED ● high
167.73.0.0/18 Spectrum Health BGP ANNOUNCED ● high
167.73.0.0/20 Spectrum Health BGP ANNOUNCED ● high
167.73.16.0/20 Spectrum Health BGP ANNOUNCED ● high
167.73.64.0/18 Spectrum Health BGP ANNOUNCED ● high
167.73.128.0/18 Spectrum Health BGP ANNOUNCED ● high
167.73.192.0/18 Spectrum Health BGP ANNOUNCED ● high
208.90.92.0/22 Spectrum Health BGP ANNOUNCED ● high
167.73.0.0/16 Spectrum Health ARIN DIRECT ALLOCATION ● low

Domains hosted in this network

what's this?
corewellhealth.org spectrumhealth.org

Corporate group (2 confirmed entities)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (9 of 9)
No discrepancies found among checked blocks.

NIC Handles

AS30710 DALDI-ARIN DALDI-ARIN GRESH26-ARIN NETWO425-ARIN NETWO425-ARIN SPECT-19-Z TELEC3-ARIN TELEC3-ARIN TOROD-ARIN