Data as of Nov 9, 2026
148.51.208.0/23
No anonymizer space · no proxy exits in 30 daysIron Mountain Data Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 148.51.128.0/17 since Nov 2021 | AS12025 | Hosting | Iron Mountain Data Center |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 148.51.209.0/24 since Jul 2025 | AS12025 | Hosting | 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 |
|---|---|---|---|---|---|---|
| 148.51.128.0/17 | 32,768 | IMDC-NET-148-51-128-0-1 | Iron Mountain Data Center (IMIML) · US | Direct Allocation | Jan 8, 2018 | imdc. |
| └ 148.51.208.32/29 | 8 | CUST-148-51-208-32-29 | unknown | — | — | — |
| └ 148.51.208.40/29 | 8 | CUST-148-51-208-40-29 | unknown | — | — | — |
| └ 148.51.208.64/26 | 64 | CUST-148-51-208-64-26 | unknown | — | — | — |
| └ 148.51.208.128/25 | 128 | CUST-148-51-208-128-25 | unknown | — | — | — |
| └ 148.51.209.0/24 | 256 | CUST-148-51-209-0-24 | iDrive Inc. (C11261769) · US | Reassigned | Jul 2, 2025 | imdc. via IMDC-NET-148-51-128-0-1 |
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
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
- May 2021
- Current origin since
- May 2021 · 5.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 148.51.208.0/23 | AS12025 | /23 | ARIN | RPKI valid |
| 148.51.128.0/17 | AS12025 | /17 | 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
- 148.
51. 128. 0/ 17 - Netname
- IMDC-NET-148-51-128-0-1
- Registrant
- Iron Mountain Data Center
- Organization
- Iron Mountain Data Center (IMIML)
- Org address
- One Federal Street, Boston, MA, 02111
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-148-51-128-0-1
- Parent
- NET-148-0-0-0-0
- Created
- Jan 8, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 8, 2018
- Status
- assigned
Report abuse
Abuse contact
- imdc.
abuse@ ironmountain. com - Name
- IMDC Abuse Team
- Phone
- +1-480-513-8500
- Handle
- IAT21-ARIN