Data as of Nov 3, 2026
131.143.64.0/22
Anonymizer · ISP proxyFrontier Communications of America, Inc. · space held by Rosier Official
IPv4 market
Path
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 131.143.64.0/22 | /24s |
|---|---|---|---|
| Midwest Cable | 1,024100% | 4 |
Leased from
Owners leasing their own space
| Name | In 131.143.64.0/22 | /24s |
|---|---|---|
| Rosier Official | 1,024100% | 4 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
131.143.64.0/22
From the registry to its use
- Oct 3, 2025– Nov 2, 2026
- Oct 7, 2025Registry recordRosier OfficialDirect Allocation131.143.64.0/22
- Oct 8, 2025Route objectAS5650 Frontier Communications of America, Inc.ARIN route object for AS5650 Frontier Communications of America, Inc., maintainer MNT-RO-167
- Oct 8, 2025Route objectAS7029 Windstream Communications LLCRADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS1020
- Oct 19, 2025Route objectAS5650 Frontier Communications of America, Inc.RADB route object for AS5650 Frontier Communications of America, Inc., maintainer MAINT-AS5650
- Apr 1, 2026– Apr 12, 2026
- todayUsedMidwest CableProxy operator
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 |
|---|---|---|---|---|---|---|
| 131.143.64.0/22 | 1,024 | CELLUAR-MOBILE | Rosier Official (RO-167) · US | Direct Allocation | Oct 7, 2025 | [email protected] |
| └ 131.143.64.0/22 | 1,024 | COOK-TECHNICAL-INSTITUTE | Cook Technical Institute (C11526896) · US | Reassigned | Feb 26, 2026 | [email protected] via CELLUAR-MOBILE |
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
- Rosier Official
- Handle
- RO-167
- Range
- 131.143.64.0/22
- Registration type
- Direct Allocation
- Record created
- Oct 7, 2025
Origin network
AS5650
US
- Name
- Frontier Communications of America, Inc.
- Type
- Internet provider
- Registered
- Jul 25, 1995
- Domain
- verizonbusiness.com
- Website
- www.frontier.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2025
- Current origin since
- Oct 2025 · 1.1 yr
- Origin networks
- 2
- Last change of origin
- Apr 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 131.143.64.0/22
- Netname
- COOK-TECHNICAL-INSTITUTE
- Registrant
- Cook Technical Institute
- Organization
- Cook Technical Institute (C11526896)
- Type
- Reassigned
- Handle
- NET-131-143-64-0-2
- Parent
- NET-131-143-64-0-1
- Created
- Feb 26, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 7, 2025
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Admin
- Phone
- +1-224-303-0904
- Handle
- ADMIN8154-ARIN