Data as of Nov 13, 2026
138.207.76.0/22
No anonymizer space · no proxy exits in 30 daysIron Mountain Data Center
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 138.207.76.0/24 since Jun 2022 | AS21549 | Business | Iron Mountain Data Center | |
| 138.207.77.0/24 since Jun 2024 | AS21549 | Business | Iron Mountain Data Center | |
| 138.207.79.0/24 since Jun 2026 | AS21549 | Business | 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 |
|---|---|---|---|---|---|---|
| 138.207.64.0/18 | 16,384 | IMDC-NET-138-207-64-0-1 | Iron Mountain Data Center (IMIML) · US | Direct Allocation | Nov 13, 2015 | imdc. |
| └ 138.207.76.0/22 | 1,024 | CUST-138-207-76-0-22 | Iron Mountain Inc. -Corp US (C11556234) · US | Reassigned | Mar 29, 2026 | imdc. via IMDC-NET-138-207-64-0-1 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 768 | 75% | 3 | |
| Hosting | 256 | 25% | 1 |
Network & registry
Announced by
Covering announcement 138.207.64.0/18
- Prefix
- 138.207.64.0/18
- Announced by
- AS12025 Iron Mountain Data Center
- Type
- Hosting
- Proxy exits
- 1
- RPKI
- RPKI valid
- Netname
- IMDC-NET-138-207-64-0-1
- Registrant
- Iron Mountain Data Center
- RIR
- ARIN
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
Who has announced 138.207.64.0/18
138.207.64.0/18
Routing history
- Pattern
- Stable
- First seen
- Jun 2016
- Current origin since
- Apr 2022 · 4.6 yr
- Origin networks
- 2
- Last change of origin
- Dec 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 138.207.64.0/18 | AS12025 | /18 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 138.
207. 64. 0/ 18 - Netname
- IMDC-NET-138-207-64-0-1
- 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-138-207-64-0-1
- Parent
- NET-138-0-0-0-0
- Created
- Nov 13, 2015
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 13, 2015
- Status
- assigned
Report abuse
Abuse contact
- imdc.
abuse@ ironmountain. com - Name
- IMDC Abuse Team
- Phone
- +1-480-513-8500
- Handle
- IAT21-ARIN