Data as of Nov 12, 2026
72.223.254.0/23
No anonymizer space · no proxy exits in 30 daysCox Communications Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Oct 10, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.223.248.0/21 since Sep 28, 2026 | AS22773 | Residential | Cox Communications Inc. | ||
| 72.192.0.0/11 | AS22773 | Residential | 21,941 3,743 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 |
|---|---|---|---|---|---|---|
| 72.192.0.0/11 | 2,097,152 | NETBLK-COX-ATLANTA-11 | Cox Communications Inc. (CXA) · US | Direct Allocation | Aug 3, 2005 | abuse@ |
| └ 72.223.128.0/17 | 32,768 | NETBLK-LV-72-223-128-0 | Cox Communications Inc. (C06151144) · US | Reassigned | Jun 16, 2016 | abuse@ via NETBLK-COX-ATLANTA-11 |
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
IPv4 market
Holder
- Organization
- Cox Communications Inc.
- Handle
- CXA
- Range
- 72.
192. 0. 0/ 11 - Registration type
- Direct Allocation
- Record created
- Aug 3, 2005
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
- Oct 10, 2026
- Current origin since
- Oct 10, 2026 · 1 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.223.254.0/23 | AS22773 | /23 | ARIN | RPKI valid |
| 72.223.248.0/21 | AS22773 | /21 | ARIN | Too specific |
| 72.192.0.0/11 | AS22773 | /11 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22773 | RADB | BTNR MRKT | MAINT-AS22773 | Oct 8, 2026 |
Whois
Registration for this announcement
- Range
- 72.
223. 128. 0/ 17 - Netname
- NETBLK-LV-72-223-128-0
- Registrant
- Cox Communications Inc.
- Organization
- Cox Communications Inc. (C06151144)
- Type
- Reassigned
- Handle
- NET-72-223-128-0-1
- Parent
- NET-72-192-0-0-1
- Created
- Jun 16, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 3, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
charter. net - Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN