Data as of Nov 3, 2026
16.217.100.0/22
Anonymizer · ISP proxyFrontier Communications of America, Inc. · space held by Hewlett Packard Enterprise Company
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Jul 2026
from AS7029 Windstream Communications LLC
IPv4 market
Path
Announced by AS5650 since Jul 2026 · 4 mo ago
1 · Holder
record created May 18, 1989 · reallocated to Internet Utilities NA LLC Apr 23, 2026
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 16.217.100.0/22 | /24s |
|---|---|---|---|
| Midwest Cable | 1,024100% | 4 |
Leased from
Owners leasing their own space
| Name | In 16.217.100.0/22 | /24s |
|---|---|---|
| Hewlett Packard Enterprise Company | 1,024100% | 4 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
16.217.100.0/22
From the registry to its use
- May 18, 1989Registry recordHewlett Packard Enterprise CompanyDirect Allocation (legacy, pre-1997)16.216.0.0 - 16.218.255.255
- Apr 23, 2026ReallocatedInternet Utilities NA LLCReallocated16.216.0.0 - 16.218.255.255
- Jul 6, 2026– Jul 17, 2026
- Jul 6, 2026– Nov 2, 2026
- Jul 9, 2026AssignedCook Technical InstituteReassigned16.217.100.0/22
- Jul 9, 2026Route objectAS5650 Frontier Communications of America, Inc.ARIN route object for AS5650 Frontier Communications of America, Inc., maintainer MNT-HPE-15
- Jul 9, 2026Route objectAS12083 WideOpenWest Finance LLCARIN route object for AS12083 WideOpenWest Finance LLC, maintainer MNT-HPE-15
- Jul 9, 2026
- Jul 12, 2026Route objectAS5650 Frontier Communications of America, Inc.RADB route object for AS5650 Frontier Communications of America, Inc., maintainer MAINT-AS1020
- Jul 12, 2026Route objectAS7029 Windstream Communications LLCRADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS1020
- Jul 12, 2026Route objectAS7029 Windstream Communications LLCARIN route object for AS7029 Windstream Communications LLC, maintainer MNT-HPE-15
- Jul 12, 2026Route objectAS12083 WideOpenWest Finance LLCRADB route object for AS12083 WideOpenWest Finance LLC, maintainer MAINT-AS1020
- Jul 12, 2026Route objectAS13347 Midwest CableRADB route object for AS13347 Midwest Cable, maintainer MAINT-AS1020
- todayLeased fromIPXOIP broker
- 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 |
|---|---|---|---|---|---|---|
| 16.216.0.0 - 16.218.255.255 | 196,608 | HPE-15 | Hewlett Packard Enterprise Company (HPE-15) · US | Direct Allocation | May 18, 1989 | [email protected] |
| └ 16.216.0.0 - 16.218.255.255 | 196,608 | IPXO-LLC | IPXO LLC (IL-845) · US | Reallocated | Apr 3, 2026 | [email protected] |
| └ 16.216.0.0 - 16.218.255.255 | 196,608 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Apr 23, 2026 | [email protected] |
| └ 16.217.100.0/22 | 1,024 | COOK-TECHNICAL-INSTITUTE | Cook Technical Institute (C11645274) · US | Reassigned | Jul 9, 2026 | [email protected] via HPE-15 |
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
- Hewlett Packard Enterprise Company
- Handle
- HPE-15
- Range
- 16.216.0.0 - 16.218.255.255
- Registration type
- Direct Allocation
- Record created
- May 18, 1989
- Legacy
- yes
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated
- Apr 23, 2026
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
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 2
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5650 | ARIN | HEWLETT PACKARD ENTERPRISE COMPANY | MNT-HPE-15 | Jul 9, 2026 |
| AS5650 | RADB | MAINT-AS1020 | Jul 12, 2026 | |
| AS7029 not the origin | RADB | MAINT-AS1020 | Jul 12, 2026 | |
| AS7029 not the origin | ARIN | HEWLETT PACKARD ENTERPRISE COMPANY | MNT-HPE-15 | Jul 12, 2026 |
| AS12083 not the origin | ARIN | HEWLETT PACKARD ENTERPRISE COMPANY | MNT-HPE-15 | Jul 9, 2026 |
| AS12083 not the origin | RADB | MAINT-AS1020 | Jul 12, 2026 | |
| AS13347 not the origin | ARIN | HEWLETT PACKARD ENTERPRISE COMPANY | MNT-HPE-15 | Jul 9, 2026 |
| AS13347 not the origin | RADB | MAINT-AS1020 | Jul 12, 2026 |
Whois
Registration for this announcement
- Range
- 16.217.100.0/22
- Netname
- COOK-TECHNICAL-INSTITUTE
- Registrant
- Cook Technical Institute
- Organization
- Cook Technical Institute (C11645274)
- Type
- Reassigned
- Handle
- NET-16-217-100-0-1
- Parent
- NET-16-216-0-0-3
- Created
- Jul 9, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- May 18, 1989
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN