Data as of Nov 7, 2026
66.57.143.0/24
No anonymizer space · no proxy exits in 30 daysCollege Foundation, Inc. · space held by Charter Communications Inc
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.57.0.0/16 since Feb 2008 | AS11426 | Residential | 233 29 always on | Charter 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 |
|---|---|---|---|---|---|---|
| 66. | 106,496 | ROADRUNNER-2-MIDSOUTH | Charter Communications Inc (CC-3517) · US | Direct Allocation | Dec 18, 2000 | abuse@ |
| └ 66.57.143.0/24 | 256 | COLLEGE-FOUNDATON | College Foundaton (C07570627) · US | Reassigned | Jun 22, 2020 | abuse@ via ROADRUNNER-2-MIDSOUTH |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Charter Communications Inc
- Handle
- CC-3517
- Range
- 66.
56. 96. 0 - 66. 57. 255. 255 - Registration type
- Direct Allocation
- Record created
- Dec 18, 2000
Origin network
AS394062
US
- Name
- College Foundation, Inc.
- Type
- Business
- Registered
- Feb 20, 2020
- Domain
- cfnc.org
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2020
- Current origin since
- May 2020 · 6.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.57.143.0/24 | AS394062 | /24 | ARIN | RPKI valid |
| 66.57.0.0/16 | AS0 | /16 | ARIN | Another network |
| 66.57.0.0/16 | AS11426 | /16 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 66.
57. 143. 0/ 24 - Netname
- COLLEGE-FOUNDATON
- Registrant
- College Foundaton
- Organization
- College Foundaton (C07570627)
- Type
- Reassigned
- Handle
- NET-66-57-143-0-1
- Parent
- NET-66-56-96-0-1
- Created
- Jun 22, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 18, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
charter. net - Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN