Data as of Nov 6, 2026
216.75.88.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Colocation America Corporation
IPv4 market
Path
1 · Holder
record created Sep 17, 2025 · reallocated to Internet Utilities NA LLC Jan 15, 2026
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
216.75.88.0/24
From the registry to its use
- May 9, 2005– Sep 4, 2019
- Aug 24, 2019– Jun 4, 2025
- Sep 9, 2025– today
- Sep 17, 2025Registry recordColocation America CorporationDirect Allocation216.75.64.0/19
- Jan 15, 2026ReallocatedInternet Utilities NA LLCReallocated216.75.88.0/21
- Apr 23, 2026AssignedAISperaReassigned216.75.88.0/24
- Apr 23, 2026Route objectIPXORADB route object for AS8075 Microsoft Corporation, maintainer MAINT-AS834
- Apr 23, 2026Route objectIPXOARIN route object for AS8075 Microsoft Corporation, maintainer MNT-DCL-577
- Apr 25, 2026– today
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 216.75.64.0/19 since Sep 2025 | AS21769 | Hosting | IP broker IPXO (part) | Colocation America Corporation |
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 |
|---|---|---|---|---|---|---|
| 216.75.64.0/19 | 8,192 | CAC-BLOCK78 | Colocation America Corporation (CAC-89) · US | Direct Allocation | Sep 17, 2025 | Abuse@ |
| └ 216.75.88.0/21 | 2,048 | IPXO | IPXO LLC (IL-845) · US | Reallocated | Jan 15, 2026 | abuse@ |
| └ 216.75.88.0/21 | 2,048 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 15, 2026 | report@ |
| └ 216.75.88.0/24 | 256 | NET-216-75-88-0-24 | AISpera (C11576994) · KR | Reassigned | Apr 23, 2026 | report@ via IPXO |
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
- Colocation America Corporation
- Handle
- CAC-89
- Range
- 216.
75. 64. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Sep 17, 2025
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 216.
75. 88. 0/ 21 - Reallocated
- Jan 15, 2026
Origin network
AS8075
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- Domain
- microsoft.com
- Website
- www.microsoft.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 6 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.75.88.0/24 | AS8075 | /24 | ARIN | RPKI valid |
| 216.75.64.0/19 | AS21769 | /19 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 216.
75. 88. 0/ 24 - Netname
- NET-216-75-88-0-24
- Registrant
- AISpera
- Organization
- AISpera (C11576994)
- Type
- Reassigned
- Handle
- NET-216-75-88-0-3
- Parent
- NET-216-75-88-0-2
- Created
- Apr 23, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 17, 2025
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN