Data as of Nov 10, 2026
148.51.239.136/29
No anonymizer space · no proxy exits in 30 daysIron Mountain Data Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 148.51.224.0/20 since Jul 2020 | AS12025 | Hosting | Iron Mountain Data Center | |
| 148.51.128.0/17 since Nov 2021 | AS12025 | Hosting | Iron Mountain Data Center |
Registrations in this block
The registry's network records over this block, widest first, each 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. |
| └ 148.51.239.136/29 | 8 | CUST-148-51-239-136-29 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 148.51.239.0/24
- Prefix
- 148.51.239.0/24
- Announced by
- AS395174 Iron Mountain Data Center
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- IMDC-NET-148-51-128-0-1
- Registrant
- Iron Mountain Data Center
- RIR
- ARIN
Origin network
AS395174
US
- Name
- Iron Mountain Data Center
- Type
- Hosting
- Registered
- Jul 22, 2020
- Domain
- ironmountain.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
148.51.239.0/24
Routing history
- Pattern
- Stable
- First seen
- Aug 2020
- Current origin since
- Aug 2020 · 6.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 148.51.239.0/24 | AS395174 | /24 | ARIN | RPKI valid |
| 148.51.224.0/20 | AS12025 | /20 | ARIN | Another network |
| 148.51.128.0/17 | AS12025 | /17 | ARIN | Another network |
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