Data as of Nov 13, 2026
171.74.26.0/24
No anonymizer space · no proxy exits in 30 daysEnsono LP
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin May 2026
from AS19229 Ensono LP, after 2.9 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 171.74.0.0/16 since Oct 2005 | AS19229 | Hosting | Ensono LP |
Network & registry
Origin network
AS19229
US
- Name
- Ensono LP
- Type
- Hosting
- Registered
- Dec 6, 2000
- Domain
- ensono.com
- Website
- www.ensono.com/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2017
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 171.74.0.0/16 | AS19229 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19229 | RADB | PHX01-ZZ | MAINT-AS19229 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 171.
74. 0. 0/ 16 - Netname
- ENSONO-DCCS-171-74
- Registrant
- Ensono LP
- Organization
- Ensono LP (ENSONO)
- Org address
- 1501 Opus Pl, Downers Grove, IL, 60515
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-171-74-0-0-1
- Parent
- NET-171-0-0-0-0
- Created
- Feb 25, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 25, 1994
- Status
- assigned
Report abuse
Abuse contact
- dg-hostmaster@
ensono. com - Name
- NOC
- Phone
- +1-630-944-3800
- Handle
- NOC32388-ARIN