Data as of Nov 4, 2026
40.223.193.0/24
No anonymizer space · no proxy exits in 30 daysDeterminate · space held by Eli Lilly and Company
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS9304 HGC Global Communications Limited
IPv4 market
Path
Announced by AS402807 since Aug 2026 · 12 wk ago
1 · Holder
record created Apr 23, 1991 · reallocated to Internet Utilities NA LLC Apr 22, 2025
2 · Leased from
4 · Use
Unknown
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
40.223.193.0/24
From the registry to its use
- Apr 23, 1991Registry recordEli Lilly and CompanyDirect Allocation (legacy, pre-1997)40.223.0.0/16
- Apr 22, 2025ReallocatedInternet Utilities NA LLCReallocated40.223.0.0/16
- Jul 11, 2025– Nov 19, 2025
- Jul 25, 2026AssignedDeterminate Systems, Inc.Reassigned40.223.192.0/23
- Aug 11, 2026– today
- todayLeased fromIPXOIP broker
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 40.223.0.0/16 | 65,536 | LILLY-NET | Eli Lilly and Company (EL-1144-Z) · US | Direct Allocation | Apr 23, 1991 | tkalis@ |
| └ 40.223.0.0/16 | 65,536 | IPXO-NET-3 | IPXO LLC (IL-845) · US | Reallocated | Apr 3, 2025 | abuse@ |
| └ 40.223.0.0/16 | 65,536 | NET-40-223-0-0-16 | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Apr 22, 2025 | report@ |
| └ 40.223.192.0/23 | 512 | NET-40-223-192-0-23 | Determinate Systems, Inc. (C11660137) · US | Reassigned | Jul 25, 2026 | report@ via LILLY-NET |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Eli Lilly and Company
- Handle
- EL-1144-Z
- Range
- 40.
223. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Apr 23, 1991
- Legacy
- yes
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated
- Apr 22, 2025
Origin network
AS402807
US
- Name
- Determinate
- Type
- Business
- Registered
- Jul 24, 2026
- Domain
- determinate.systems
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jul 2025
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 2
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 40.223.192.0/23 | AS402807 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 40.
223. 192. 0/ 23 - Netname
- NET-40-223-192-0-23
- Registrant
- Determinate Systems, Inc.
- Organization
- Determinate Systems, Inc. (C11660137)
- Type
- Reassigned
- Handle
- NET-40-223-192-0-1
- Parent
- NET-40-223-0-0-3
- Created
- Jul 25, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 23, 1991
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN