Data as of Nov 8, 2026
138.43.216.0/24
No anonymizer space · no proxy exits in 30 daysColumbia Power and Water Systems
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Jul 2026
from AS30264 Columbia Power and Water Systems, after 6.9 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 138.43.216.0/21 since Apr 2019 | AS30264 | Residential | 9 2 always on | Columbia Power and Water Systems |
Network & registry
Origin network
AS30264
US
- Name
- Columbia Power and Water Systems
- Type
- Internet provider
- Registered
- Aug 22, 2003
- Domain
- cpws.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
- Apr 2019
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 138.43.216.0/21 | AS30264 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 138.
43. 210. 0 - 138. 43. 223. 255 - Netname
- CPWS-138-43-210-233
- Registrant
- Columbia Power and Water Systems
- Organization
- Columbia Power and Water Systems (CPWS)
- Org address
- 201 Pickens Lane, Columbia, TN, 38401
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-138-43-210-0-1
- Parent
- NET-138-0-0-0-0
- Created
- Apr 15, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 15, 2019
- Status
- assigned
Report abuse
Abuse contact
- eric.
batdorf@ cpws. com - Name
- Batdorf, Eric
- Phone
- +1-931-375-7712
- Handle
- BATDO4-ARIN