Data as of Nov 4, 2026
72.31.192.0/21
No anonymizer space · no proxy exits in 30 daysCharter Communications, Inc
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 1,536 | 75% | 1 | |
| Business | 512 | 25% | 2 |
Network & registry
Origin network
AS33363
US
- Name
- Charter Communications, Inc
- Type
- Internet provider
- Registered
- Dec 3, 2004
- Domain
- chartercom.com
- Website
- www.spectrum.com/
- Industry
- Media, Publishing, and Broadcasting
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2015
- Current origin since
- Nov 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.31.192.0/21 | AS33363 | /21 | ARIN | RPKI valid |
| 72.31.0.0/16 | AS0 | /16 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS33363 | RADB | Charter Communications | MAINT-RR | Mar 6, 2026 |
Whois
Registration for this announcement
- Range
- 72.
31. 0. 0/ 16 - Netname
- MTA-3
- Registrant
- Charter Communications, Inc
- Organization
- Charter Communications, Inc (CC-3518)
- Org address
- 6175 S. Willow Dr, Greenwood Village, CO, 80111
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-31-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Feb 23, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 23, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
charter. net - Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN