Data as of Nov 13, 2026
171.74.72.0/21
No anonymizer space · no proxy exits in 30 daysEnsono LP
Announcements
Nesting
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Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 171.74.72.0/24 since Aug 2017 | AS19229 | Hosting | Ensono LP | |
| 171.74.73.0/24 since Aug 2017 | AS19229 | Hosting | Ensono LP | |
| 171.74.74.0/24 since Aug 2017 | AS19229 | Hosting | Ensono LP | |
| 171.74.75.0/24 since Aug 2017 | AS19229 | Hosting | Ensono LP | |
| 171.74.76.0/24 since Aug 2017 | AS19229 | Hosting | Ensono LP | |
| 171.74.77.0/24 since Aug 2017 | AS19229 | Hosting | Ensono LP | |
| 171.74.78.0/24 since Aug 2017 | AS19229 | Hosting | Ensono LP | |
| 171.74.79.0/24 since Aug 2017 | AS19229 | Hosting | Ensono LP |
Network & registry
Announced by
Covering announcement 171.74.0.0/16
- Prefix
- 171.74.0.0/16
- Announced by
- AS19229 Ensono LP
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- ENSONO-DCCS-171-74
- Registrant
- Ensono LP
- RIR
- ARIN
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
Who has announced 171.74.0.0/16
171.74.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Oct 2005
- Current origin since
- Oct 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 171.74.0.0/16 | AS19229 | /24 | ARIN | RPKI valid |
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