Data as of Nov 3, 2026
72.216.248.0/22
No anonymizer space · no proxy exits in 30 daysCox Communications Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.216.192.0/18 since Oct 2019 | AS22773 | Residential | 36 4 always on | Cox Communications Inc. | |
| 72.192.0.0/11 | AS22773 | Residential | 21,059 4,217 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 | [email protected] |
| └ 72.216.240.0/20 | 4,096 | NETBLK-HR-RDC-DSG-72-216-240-0 | Cox Communications Inc. (C03146860) · US | Reassigned | Sep 18, 2012 | [email protected] 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
- Mar 2018
- Current origin since
- Mar 2018 · 8.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.216.248.0/22 | AS22773 | /22 | ARIN | RPKI valid |
| 72.216.192.0/18 | AS22773 | /18 | 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 | MTC1 MRKT-DATA-BUSINESS | MAINT-AS22773 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.216.240.0/20
- Netname
- NETBLK-HR-RDC-DSG-72-216-240-0
- Registrant
- Cox Communications Inc.
- Organization
- Cox Communications Inc. (C03146860)
- Type
- Reassigned
- Handle
- NET-72-216-240-0-1
- Parent
- NET-72-192-0-0-1
- Created
- Sep 18, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 3, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN