Data as of Nov 8, 2026
174.128.56.0/24
No anonymizer space · no proxy exits in 30 daysIron Mountain Data Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 174.128.32.0/19 since Dec 2020 | AS12025 | Hosting | 1 | Iron Mountain Data Center | |
| 174.128.0.0/18 since Aug 2010 | AS12025 | Hosting | 1 | Iron Mountain Data Center |
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 |
|---|---|---|---|---|---|---|
| 174.128.0.0/18 | 16,384 | NET-174-128-0-0-1 | Iron Mountain Data Center (IMIML) · US | Direct Allocation | Jun 17, 2010 | imdc. |
| └ 174.128.56.0/24 | 256 | CUST-174-128-56-0-24 | Mibura Inc. (C11246545) · US | Reassigned | Jun 18, 2025 | imdc. via NET-174-128-0-0-1 |
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
Registry
Holder
- Organization
- Iron Mountain Data Center
- Handle
- IMIML
- Range
- 174.
128. 0. 0/ 18 - Registration type
- Direct Allocation
- Record created
- Jun 17, 2010
Origin network
AS12025
US
- Name
- Iron Mountain Data Center
- Type
- Hosting
- Registered
- May 30, 2007
- Domain
- ironmountain.com
- Website
- www.ironmountain.com/digital-transformation/data-centers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2021
- Current origin since
- Jun 2021 · 5.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 174.128.56.0/24 | AS12025 | /24 | ARIN | RPKI valid |
| 174.128.32.0/19 | AS12025 | /19 | ARIN | Too specific |
| 174.128.0.0/18 | AS12025 | /18 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12025 | ARIN | Iron Mountain Data Center | MNT-IMIML | Apr 2, 2026 |
Whois
Registration for this announcement
- Range
- 174.
128. 56. 0/ 24 - Netname
- CUST-174-128-56-0-24
- Registrant
- Mibura Inc.
- Organization
- Mibura Inc. (C11246545)
- Type
- Reassigned
- Handle
- NET-174-128-56-0-1
- Parent
- NET-174-128-0-0-1
- Created
- Jun 18, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 17, 2010
- Status
- assigned
Report abuse
Abuse contact
- imdc.
abuse@ ironmountain. com - Name
- IMDC Abuse Team
- Phone
- +1-480-513-8500
- Handle
- IAT21-ARIN