Data as of Nov 6, 2026
209.151.188.0/22
No anonymizer space · no proxy exits in 30 daysSDN Communications
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.151.176.0/20 since May 2013 | AS13576 | Residential | 10 | 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 |
|---|---|---|---|---|---|---|
| 209.151.176.0/20 | 4,096 | SDN-209-151-176-0 | SDN Communications (SDN) · US | Direct Allocation | Aug 11, 2010 | arin. |
| └ 209.151.188.0/22 | 1,024 | SDN-BACKBONE | unknown | Reassigned | Feb 9, 2026 | arin. |
Network & registry
Registry
Holder
- Organization
- SDN Communications
- Handle
- SDN
- Range
- 209.
151. 176. 0/ 20 - Registration type
- Direct Allocation
- Record created
- Aug 11, 2010
Origin network
AS393417
US
- Name
- SDN Communications
- Type
- Internet provider
- Registered
- Apr 29, 2014
- Domain
- sdncommunications.com
- Website
- www.sdncommunications.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2014
- Current origin since
- Oct 2014 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.151.188.0/22 | AS13576 | /22 | ARIN | Another network |
| 209.151.188.0/22 | AS393417 | /22 | ARIN | RPKI valid |
| 209.151.176.0/20 | AS13576 | /20 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 209.
151. 188. 0/ 22 - Netname
- SDN-BACKBONE
- Organization
- Not stated by the registry
- Type
- Reassigned
- Handle
- NET-209-151-188-0-1
- Parent
- NET-209-151-176-0-1
- Created
- Feb 9, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 11, 2010
- Status
- assigned
Report abuse
Abuse contact
- arin.
abuse@ sdncommunications. com - Name
- SDN Communications Abuse
- Phone
- +1-605-978-3548
- Handle
- SCA5-ARIN