Data as of Nov 10, 2026
72.210.26.0/24
No anonymizer space · no proxy exits in 30 daysSystems Planning and Analysis, 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 | 21,748 4,369 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@ |
| └ 72.210.26.0/24 | 256 | NETBLK-NV-CBS-OFFHC-72-210-26-0 | Systems Planning and Analysis, Inc (SPA-28) · US | Reassigned | Dec 16, 2014 | jbixler@ |
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
AS63340
US
- Name
- Systems Planning and Analysis, Inc.
- Type
- Business
- Registered
- Dec 10, 2014
- Domain
- spa.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2015
- Current origin since
- Jan 2015 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.210.26.0/24 | AS63340 | /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 |
|---|---|---|---|---|
| AS63340 | RADB | Proxy fbo SYSTEMS PLANNING & ANALYSIS (AS63340) | MAINT-AS7029 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.
210. 26. 0/ 24 - Netname
- NETBLK-NV-CBS-OFFHC-72-210-26-0
- Registrant
- Systems Planning and Analysis, Inc
- Organization
- Systems Planning and Analysis, Inc (SPA-28)
- Org address
- 2001 N. Beauregard St, Alexandria, VA, 22311
- Org country
- US
- Type
- Reassigned
- Handle
- NET-72-210-26-0-1
- Parent
- NET-72-192-0-0-1
- Created
- Dec 16, 2014
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 3, 2005
- Status
- assigned
Report abuse
Abuse contact
- jbixler@
spa. com - Name
- Bixler, Jamie
- Phone
- +1-703-399-7335
- Handle
- JBI50-ARIN