Data as of Nov 3, 2026
199.0.185.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft 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 | 27 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] |
| └ 199.0.185.0/24 | 256 | SPRINTLINK | Advertising Specialty INS (ASI-131) · US | Reassigned | Apr 18, 2023 | — |
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
AS8075
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- Domain
- microsoft.com
- Website
- www.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
- Apr 2023
- Current origin since
- Apr 2023 · 3.5 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3356 not the origin | ARIN | Advertising Specialty Institute | MNT-COGC | Dec 23, 2025 |
| AS8075 | ARIN | Advertising Specialty Institute | MNT-COGC | Dec 23, 2025 |
| AS8075 | RADB | Microsoft ByoIp | MAINT-AS8075 | Dec 5, 2025 |
| AS22885 not the origin | ARIN | Advertising Specialty Institute | MNT-COGC | Dec 23, 2025 |
Whois
Registration for this announcement
- Range
- 199.0.185.0/24
- Netname
- SPRINTLINK
- Registrant
- Advertising Specialty INS
- Organization
- Advertising Specialty INS (ASI-131)
- Org address
- 4800 E STREET RD, TREVOSE, PA, 19053
- Org country
- US
- Type
- Reassigned
- Handle
- NET-199-0-185-0-1
- Parent
- NET-199-0-0-0-1
- Created
- Apr 18, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 8, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN