NSF INTERNATIONAL

NSF International
Data as of 2026-09-06
GLEIF verified
LEI
549300BK7P15GMN81028
Registered name
NSF INTERNATIONAL
Jurisdiction
US-MI
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks7 · 583 IPv4 addresses
Registered in Sweden (4) · United States (3) · China (1)
Also registered under this name 9 netblocks across 2 separate records
Record ID236278767
RegistryAPNIC
Owner jurisdictionUS-MI
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300BK7P15GMN81028
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
50.226.98.0/24 NSF International BGP ANNOUNCED ● high
170.76.195.0/24 NSF International ARIN DIRECT ALLOCATION ● high
95.175.98.8/29 NSF RIPE ASSIGNED PA ● low
95.175.121.128 – 95.175.121.134 NSF RIPE ASSIGNED PA ● low
95.175.121.176/28 NSF RIPE ASSIGNED PA ● low
164.215.34.112/29 NSF RIPE ASSIGNED PA ● low
211.98.54.192/27 NSF APNIC ASSIGNED NON-PORTABLE ● low

Footprint over time

11 weekly snapshots · JSON
8 +1 netblocks since 2026-07-05
2026-07-05 peak 8 2026-09-06

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (8 of 8)
Possible discrepancies (2)

These blocks are registered to NSF International 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.

170.76.195.0/24 /24 authorized for AS7922 — Comcast Cable Communications, LLC
170.76.195.0/24 /24 authorized for AS7922 — Comcast Cable Communications, LLC

NIC Handles

ADMIN9341-ARIN ADMIN9341-ARIN ADMIN9341-ARIN ARBLE-ARIN ARBLE-ARIN ARBLE-ARIN AS396224 DUMY-RIPE DUMY-RIPE GLESYS-MNT MAINT-CNNIC-AP NSFIN +2 more