Data as of Nov 11, 2026
66.27.45.136/29
No anonymizer space · no proxy exits in 30 daysCharter Communications Inc
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.27.0.0/16 since May 2005 | AS20001 | Residential | 406 43 always on | Charter Communications Inc |
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 |
|---|---|---|---|---|---|---|
| 66.27.0.0/16 | 65,536 | ROADRUNNER-WEST | Charter Communications Inc (CC-3517) · US | Direct Allocation | Oct 6, 2000 | abuse@ |
| └ 66.27.45.136/29 | 8 | NET-66-27-45-136-1 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 66.27.32.0/20
- Prefix
- 66.27.32.0/20
- Announced by
- AS20001 Charter Communications Inc
- Type
- Residential
- Proxy exits
- 3
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- ROADRUNNER-WEST
- Registrant
- Charter Communications Inc
- RIR
- ARIN
Origin network
AS20001
US
- Name
- Charter Communications Inc
- Type
- Internet provider
- Registered
- Mar 13, 2001
- Domain
- charter.com
- Website
- www.spectrum.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
66.27.32.0/20
Routing history
- Pattern
- Stable
- First seen
- Jul 2012
- Current origin since
- Jul 2012 · 14 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.27.32.0/20 | AS20001 | /20 | ARIN | RPKI valid |
| 66.27.0.0/16 | AS0 | /16 | ARIN | Another network |
| 66.27.0.0/16 | AS20001 | /16 | ARIN | Too specific |
Whois
Registration for this announcement
- Range
- 66.
27. 0. 0/ 16 - Netname
- ROADRUNNER-WEST
- Registrant
- Charter Communications Inc
- Organization
- Charter Communications Inc (CC-3517)
- Org address
- 6175 S. Willow Dr, Greenwood Village, CO, 80111
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-27-0-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Oct 6, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 6, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
charter. net - Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN