Data as of Nov 3, 2026
66.210.76.0/24
No anonymizer space · no proxy exits in 30 daysCox Communications Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.210.0.0/16 since Aug 2016 | AS22773 | Residential | 143 11 always on | Cox Communications Inc. |
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 |
|---|---|---|---|---|---|---|
| 66.210.0.0/16 | 65,536 | COX-NET-2BLK | Cox Communications Inc. (CXA) · US | Direct Allocation | Dec 19, 2001 | [email protected] |
| └ 66.210.76.0/24 | 256 | NETBLK-WI-OHFC-66-210-76-0 | Cox Communications Inc. (CXA) · US | Reallocated | Aug 15, 2006 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Cox Communications Inc.
- Handle
- CXA
- Range
- 66.210.0.0/16
- Registration type
- Direct Allocation
- Record created
- Dec 19, 2001
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.210.76.0/24 | AS22773 | /24 | ARIN | RPKI valid |
| 66.210.0.0/16 | AS22773 | /16 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22773 | RADB | NETBLK-OK-ON-HFC-66-210-76-0 | MAINT-AS22773 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 66.210.76.0/24
- Netname
- NETBLK-WI-OHFC-66-210-76-0
- Registrant
- Cox Communications Inc.
- Organization
- Cox Communications Inc. (CXA)
- Org address
- 6175 S. Willow Dr, Greenwood Village, CO, 80111
- Org country
- US
- Type
- Reallocated
- Handle
- NET-66-210-76-0-1
- Parent
- NET-66-210-0-0-1
- Created
- Aug 15, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 19, 2001
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN