Data as of Nov 4, 2026
199.3.109.0/24
No anonymizer space · no proxy exits in 30 daysNorthwestern Corporation · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 199.0.0.0/14 since May 2024 | AS174 | Internet provider | 28 5 always on | Cogent Communications, LLC |
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 |
|---|---|---|---|---|---|---|
| 199.0.0.0/14 | 262,144 | COGENT-199-0-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Sep 8, 1993 | [email protected] |
| └ 199.3.108.0/23 | 512 | SPRINTLINK | Northwestern Corporation (NORTHW-28) · US | Reassigned | Dec 4, 2023 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 199.0.0.0/14
- Registration type
- Direct Allocation
- Record created
- Sep 8, 1993
- Legacy
- yes
Origin network
AS15157
US
- Name
- Northwestern Corporation
- Type
- Business
- Registered
- Mar 27, 2000
- Domain
- northwestern.com
- Industry
- Retail Stores, Wholesale, and E-commerce Sites
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS15157 | RADB | SDN Communications on behalf of Northwestern Energy Corp | MAINT-AS13576 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 199.3.108.0/23
- Netname
- SPRINTLINK
- Registrant
- Northwestern Corporation
- Organization
- Northwestern Corporation (NORTHW-28)
- Org address
- 125 S. Dakota Ave., Sioux Falls, SD, 57104
- Org country
- US
- Type
- Reassigned
- Handle
- NET-199-3-108-0-1
- Parent
- NET-199-0-0-0-1
- Created
- Dec 4, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 8, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cleverly, Sean
- Phone
- +1-406-497-4131
- Handle
- SC1244-ARIN