Data as of Nov 14, 2026
71.88.57.0/29
No anonymizer space · no proxy exits in 30 daysCharter 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 |
|---|---|---|---|---|---|---|
| 71.80.0.0/12 | 1,048,576 | NETBLK-CHARTER-NET | Charter Communications LLC (CC04) · US | Direct Allocation | May 19, 2005 | abuse@ |
| └ 71.88.32.0/19 | 8,192 | NWT-CT-71-88-32 | Charter Communications LLC (CC04) · US | Reallocated | Apr 7, 2006 | abuse@ |
| └ 71.88.57.0/29 | 8 | WORCESTER-SHERIFFS-DEPARTMENT | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 71.88.32.0/19
- Prefix
- 71.88.32.0/19
- Announced by
- AS20115 Charter Communications LLC
- Type
- Residential
- Proxy exits
- 57
- Always-on exits
- 9
- RPKI
- RPKI valid
- Netname
- NWT-CT-71-88-32
- Registrant
- Charter Communications LLC
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Charter Communications LLC
- Handle
- CC04
- Range
- 71.
80. 0. 0/ 12 - Registration type
- Direct Allocation
- Record created
- May 19, 2005
Origin network
AS20115
US
- Name
- Charter Communications LLC
- Type
- Internet provider
- Registered
- Mar 26, 2001
- Domain
- charter.com
- Website
- www.spectrum.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 71.88.32.0/19
71.88.32.0/19
Routing history
- Pattern
- Stable
- First seen
- Apr 2006
- Current origin since
- Feb 2009 · 18 yr
- Origin networks
- 2
- Last change of origin
- Feb 2009
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 71.88.32.0/19 | AS20115 | /19 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 71.
88. 32. 0/ 19 - Netname
- NWT-CT-71-88-32
- Registrant
- Charter Communications LLC
- Organization
- Charter Communications LLC (CC04)
- Org address
- 6175 S. Willow Dr, Greenwood Village, CO, 80111
- Org country
- US
- Type
- Reallocated
- Handle
- NET-71-88-32-0-1
- Parent
- NET-71-80-0-0-1
- Created
- Apr 7, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- May 19, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
charter. net - Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN