Data as of Nov 3, 2026
161.7.0.0/16
No anonymizer space · no proxy exits in 30 daysState of Montana
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 161.7.38.0/24 since Oct 22, 2026 | AS203 | Unknown | State of Montana | |
| 161.7.129.0/24 since Oct 22, 2026 | AS203 | Unknown | State of Montana |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 65,024 | >99% | 3 | |
| Unknown | 512 | 0.78% | 2 |
Network & registry
Origin network
AS3482
US
- Name
- State of Montana
- Type
- Education
- Registered
- Mar 8, 1994
- Domain
- montana.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2018 · 7.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2018
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 161.7.0.0/16
- Netname
- MT-GOV-IPV4
- Registrant
- State of Montana
- Organization
- State of Montana (STATEO-22-Z)
- Org address
- 125 N. Roberts, Helena, MT, 59620-0113
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-161-7-0-0-1
- Parent
- NET-161-0-0-0-0
- Created
- May 4, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- May 4, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Benson, Wess
- Phone
- +1-406-444-6361
- Handle
- BENSO158-ARIN