Data as of Nov 15, 2026
64.58.153.0/24
No anonymizer space · no proxy exits in 30 daysCox Communications Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 64.58.128.0/19 since Dec 2005 | AS22773 | Residential | 6 1 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 |
|---|---|---|---|---|---|---|
| 64.58.128.0/18 | 16,384 | NETBLK-OC-CBS-64-58-128-0 | Cox Communications Inc. (CXA) · US | Direct Allocation | Mar 13, 2000 | abuse@ |
| └ 64.58.153.0/24 | 256 | COXOCCA-MASIMO-1 | masimo corp (MASIMO) · US | Reassigned | Nov 15, 2000 | ylee@ |
Network & registry
IPv4 market
Holder
- Organization
- Cox Communications Inc.
- Handle
- CXA
- Range
- 64.
58. 128. 0/ 18 - Registration type
- Direct Allocation
- Record created
- Mar 13, 2000
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 2014
- Current origin since
- Mar 2014 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 64.58.153.0/24 | AS22773 | /24 | ARIN | RPKI valid |
| 64.58.128.0/19 | AS22773 | /19 | ARIN | Too specific |
| 64.58.128.0/18 | AS22773 | /18 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22773 | RADB | Cox Aggregate Data-Business | MAINT-AS22773 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 64.
58. 153. 0/ 24 - Netname
- COXOCCA-MASIMO-1
- Registrant
- masimo corp
- Organization
- masimo corp (MASIMO)
- Org address
- 2852 kelvin ave, irvine, CA, 92614
- Org country
- US
- Type
- Reassigned
- Handle
- NET-64-58-153-0-1
- Parent
- NET-64-58-128-0-1
- Created
- Nov 15, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 13, 2000
- Status
- assigned
Report abuse
Abuse contact
- ylee@
masimo. com - Name
- Lee, Yongsam
- Phone
- +1-714-250-9669
- Handle
- YL69-ARIN