Data as of Nov 3, 2026
16.5.255.0/24
Anonymizer · ISP proxyKarolio IT paslaugos, UAB · space held by Hewlett Packard Enterprise Company
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Jul 2026
its first announcement on record
IPv4 market
Path
Announced by AS212609 since Jul 2026 · 4 mo ago
1 · Holder
record created May 18, 1989 · reallocated to Internet Utilities NA LLC Apr 18, 2026
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 16.5.255.0/24 | /24s |
|---|---|---|---|
| IPRoyal | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 16.5.255.0/24 | /24s |
|---|---|---|
| Hewlett Packard Enterprise Company | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
16.5.255.0/24
From the registry to its use
- May 18, 1989Registry recordHewlett Packard Enterprise CompanyDirect Allocation (legacy, pre-1997)16.5.0.0/16
- Apr 18, 2026ReallocatedInternet Utilities NA LLCReallocated16.5.0.0/16
- Jul 6, 2026– Nov 2, 2026
- Jul 9, 2026AssignedInternet Utilities NA LLCReassigned16.5.255.0/24
- Jul 9, 2026Route objectIPXORADB route object for AS212609 Karolio IT paslaugos, UAB, maintainer MAINT-AS834
- Jul 9, 2026Route objectIPXOARIN route object for AS212609 Karolio IT paslaugos, UAB, maintainer MNT-DCL-577
- todayLeased fromIPXOIP broker
- todayUsedIPRoyalProxy seller
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 |
|---|---|---|---|---|---|---|
| 16.5.0.0/16 | 65,536 | HPE-15 | Hewlett Packard Enterprise Company (HPE-15) · US | Direct Allocation | May 18, 1989 | [email protected] |
| └ 16.5.0.0/16 | 65,536 | IPXO-LLC | IPXO LLC (IL-845) · US | Reallocated | Apr 3, 2026 | [email protected] |
| └ 16.5.0.0/16 | 65,536 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Apr 18, 2026 | [email protected] |
| └ 16.5.255.0/24 | 256 | NET-16-5-255-0-24 | unknown | 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
- 16.5.0.0/16
- Registration type
- Direct Allocation
- Record created
- May 18, 1989
- Legacy
- yes
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated
- Apr 18, 2026
Origin network
AS212609
LT
- Name
- Karolio IT paslaugos, UAB
- Type
- Hosting
- Registered
- Sep 24, 2020
- Domain
- simoresta.lt
- Website
- simoresta.lt
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 16.5.255.0/24
- Netname
- NET-16-5-255-0-24
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-16-5-255-0-1
- Parent
- NET-16-5-0-0-3
- 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