Data as of Nov 3, 2026
137.70.158.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Hennepin County
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 137.70.0.0/16 since May 2018 | AS40382 | Business | 4 | Hennepin County |
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 |
|---|---|---|---|---|---|---|
| 137.70.0.0/16 | 65,536 | HC-ENTERPRISE | Hennepin County (HENNE-4-Z) · US | Direct Allocation | Nov 6, 1989 | [email protected] |
| └ 137.70.158.0/24 | 256 | HC-MAG-ARIZONA-01 | unknown | Reassigned | Jul 3, 2023 | [email protected] via HC-ENTERPRISE |
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
- Hennepin County
- Handle
- HENNE-4-Z
- Range
- 137.70.0.0/16
- Registration type
- Direct Allocation
- Record created
- Nov 6, 1989
- Legacy
- yes
Origin network
AS8070
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- Domain
- 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
- Jul 2023
- Current origin since
- Jul 2023 · 3.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 137.70.158.0/24 | AS8070 | /32 | ARIN | RPKI valid |
| 137.70.0.0/16 | AS40382 | /32 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 137.70.158.0/24
- Netname
- HC-MAG-ARIZONA-01
- Registrant
- Hennepin County
- Organization
- Hennepin County (HENNE-4-Z)
- Org address
- 300 South 6th Street, Minneapolis, MN, 55487
- Org country
- US
- Type
- Reassigned
- Handle
- NET-137-70-158-0-1
- Parent
- NET-137-70-0-0-1
- Created
- Jul 3, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 6, 1989
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Network Abuse
- Phone
- +1-612-348-6662
- Handle
- NETWO9758-ARIN