Data as of Nov 8, 2026
209.242.133.0/24
No anonymizer space · no proxy exits in 30 daysCox Communications Inc.
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 209. | 12,288 | COX-SD | Cox Communications Inc. (CXA) · US | Direct Allocation | Jun 24, 1998 | abuse@ |
| └ 209.242.133.0/24 | 256 | COXSD-45 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 209.242.128.0/19
- Prefix
- 209.242.128.0/19
- Announced by
- AS22773 Cox Communications Inc.
- Type
- Residential
- Proxy exits
- 19
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- COX-SD
- Registrant
- Cox Communications Inc.
- RIR
- ARIN
Origin network
AS22773
US
- Name
- Cox Communications Inc.
- Type
- Internet provider
- Registered
- Nov 20, 2001
- Domain
- cox.com
- Website
- www.cox.com/peering
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 209.242.128.0/19
209.242.128.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Aug 2005 · 21 yr
- Origin networks
- 2
- Last change of origin
- Aug 2005
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.242.128.0/19 | AS22773 | /19 | ARIN | RPKI valid |
IRR
Route objects on 209.242.128.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22773 | RADB | SD CBS TRANSIT | MAINT-AS22773 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
242. 128. 0 - 209. 242. 175. 255 - Netname
- COX-SD
- Registrant
- Cox Communications Inc.
- Organization
- Cox Communications Inc. (CXA)
- Org address
- 6175 S. Willow Dr, Greenwood Village, CO, 80111
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-242-128-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Jun 24, 1998
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 24, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
charter. net - Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN