Data as of Nov 14, 2026
64.33.243.0/24
No anonymizer space · no proxy exits in 30 daysVenture Communications Cooperative · space held by SDN Communications
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS13576 SDN Communications, after 4 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 64.33.224.0/19 since May 2005 | AS13576 | Residential | 36 2 always on | SDN Communications |
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 |
|---|---|---|---|---|---|---|
| 64.33.224.0/19 | 8,192 | SDN-64-33-224-0 | SDN Communications (SDN) · US | Direct Allocation | Aug 6, 2002 | arin. |
| └ 64.33.243.0/24 | 256 | VENTU-3 | unknown | Reassigned | Apr 10, 2026 | arin. via SDN-64-33-224-0 |
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
Registry
Holder
- Organization
- SDN Communications
- Handle
- SDN
- Range
- 64.
33. 224. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Aug 6, 2002
Origin network
AS63172
US
- Name
- Venture Communications Cooperative
- Type
- Internet provider
- Registered
- Nov 10, 2025
- Domain
- venturecomm.net
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Oct 2019
- 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 |
|---|---|---|---|---|
| 64.33.243.0/24 | AS63172 | /24 | ARIN | RPKI valid |
| 64.33.224.0/19 | AS13576 | /19 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS63172 | ARIN | SDN customer Venture Communications | MNT-SDN | Apr 13, 2026 |
Whois
Registration for this announcement
- Range
- 64.
33. 243. 0/ 24 - Netname
- VENTU-3
- Organization
- Not stated by the registry
- Type
- Reassigned
- Handle
- NET-64-33-243-0-1
- Parent
- NET-64-33-224-0-1
- Created
- Apr 10, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 6, 2002
- Status
- assigned
Report abuse
Abuse contact
- arin.
abuse@ sdncommunications. com - Name
- SDN Communications Abuse
- Phone
- +1-605-978-3548
- Handle
- SCA5-ARIN