Data as of Nov 7, 2026
71.226.176.0/20
No anonymizer space · no proxy exits in 30 daysComcast Cable Communications, LLC
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 71.224.0.0/12 | 1,048,576 | JUMPSTART-5 | Comcast Cable Communications, LLC (CCCS) · US | Direct Allocation | Apr 15, 2005 | abuse@ |
| └ 71.226.176.0/20 | 4,096 | CORNERSTONEE-CPE-3 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 71.224.0.0/12
- Prefix
- 71.224.0.0/12
- Announced by
- AS7922 Comcast Cable Communications, LLC
- Type
- Residential
- Proxy exits
- 21,275
- Always-on exits
- 4,085
- RPKI
- RPKI valid
- Netname
- JUMPSTART-5
- Registrant
- Comcast Cable Communications, LLC
- RIR
- ARIN
Origin network
AS7922
US
- Name
- Comcast Cable Communications, LLC
- Type
- Internet provider
- Registered
- Feb 14, 1997
- Domain
- comcast.com
- Website
- corporate.comcast.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 71.224.0.0/12
71.224.0.0/12
Routing history
- Pattern
- Stable
- First seen
- Nov 2008
- Current origin since
- Nov 2008 · 18 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 71.224.0.0/12 | AS7922 | /12 | ARIN | RPKI valid |
IRR
Route objects on 71.224.0.0/12
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7922 | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 71.
224. 0. 0/ 12 - Netname
- JUMPSTART-5
- Registrant
- Comcast Cable Communications, LLC
- Organization
- Comcast Cable Communications, LLC (CCCS)
- Org address
- 1800 Bishops Gate Blvd, Mt Laurel, NJ, 08054
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-71-224-0-0-1
- Parent
- NET-71-0-0-0-0
- Created
- Apr 15, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 15, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
comcast. net - Name
- Network Abuse and Policy Observance
- Phone
- +1-888-565-4329
- Handle
- NAPO-ARIN