Data as of Nov 6, 2026
72.204.218.0/24
No anonymizer space · no proxy exits in 30 daysUS Monitoring, Inc. · space held by Cox Communications Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.192.0.0/11 | AS22773 | Residential | 21,176 4,250 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@ |
| └ 72.204.218.0/24 | 256 | NETBLK-OM-CB-72-204-218-0 | US Monitoring, Inc. (UM-78) · US | Reassigned | Jun 30, 2017 | — |
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
AS40658
US
- Name
- US Monitoring, Inc.
- Type
- Business
- Registered
- Mar 31, 2017
- Domain
- usm-ok.com
- Industry
- Buildings, Repair, Maintenance (Pest Control, Landscaping, Cleaning, Locksmiths, Car Washes, etc)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2017
- Current origin since
- Feb 2019 · 7.8 yr
- Origin networks
- 2
- Last change of origin
- Feb 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.204.218.0/24 | AS40658 | /24 | ARIN | RPKI valid |
| 72.192.0.0/11 | AS22773 | /11 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS40658 | RADB | MTC3 | MAINT-AS22773 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.
204. 218. 0/ 24 - Netname
- NETBLK-OM-CB-72-204-218-0
- Registrant
- US Monitoring, Inc.
- Organization
- US Monitoring, Inc. (UM-78)
- Org address
- PO Box 12660, Oklahoma City, OK, 73157
- Org country
- US
- Type
- Reassigned
- Handle
- NET-72-204-218-0-1
- Parent
- NET-72-192-0-0-1
- Created
- Jun 30, 2017
- 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