CURTIS INSTRUMENTS, INC.

Curtis Instruments, Inc.
Data as of 2026-09-05
GLEIF verified
Complete entity footprint
2 linked clusters · 37 netblocks · 3,592 IPv4 addresses · 9 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
549300QXT2NC0WQJX494
Registered name
CURTIS INSTRUMENTS, INC.
Jurisdiction
US-NY
Ultimate parent
Parker-Hannifin Corporation
5493002CONDB4N2HKI23
This organisation
Netblocks6 · 1,288 IPv4 addresses
IPv6 1 prefix (largest 2a00:2381:1c9::/48)
Registered in United States (4) · Sweden (1)
Record ID233774107
RegistryBGP
Owner jurisdictionUS-NY
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300QXT2NC0WQJX494
Shared handles clustered on 11 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 (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
194.218.10.96/29 Curtis Instruments AB RIPE ASSIGNED PA ● high
198.184.226.0/24 Curtis Instruments, Inc. ARIN DIRECT ALLOCATION ● high
198.200.211.0 – 198.200.214.255 Curtis Instruments, Inc. ARIN DIRECT ALLOCATION ● high
198.200.213.0/24 Curtis Instruments, Inc. BGP ANNOUNCED ● high
198.200.214.0/24 Curtis Instruments, Inc. BGP ANNOUNCED ● high
2a00:2381:1c9::/48 CURTIS_INSTRUMENTS RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (1)

CIDR
2a00:2381:1c9::/48

Footprint over time

3 weekly snapshots · JSON
6 0 netblocks since 2026-08-16
2026-08-16 peak 6 2026-08-30

Corporate group (2 confirmed entities)

Network trust

what's this?
RPKI hygiene: D how networks compare →
33.3% of checked blocks have valid RPKI ROA coverage (2 of 6)
Possible discrepancies (1)

These blocks are registered to Curtis Instruments, 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.

2a00:2381:1c9::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AS10985 BB514-ARIN BTNET-MNT CURTIS-1 CUTRI3-ARIN CUTRI3-ARIN CUTRI3-ARIN DUMY-RIPE DUMY-RIPE ORG-CIA25-RIPE TELIANET-LIR