Data as of Nov 3, 2026
199.100.0.0/16
2 residential-proxy exits · 30 daysCogent Communications, LLC
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · 30 days
Spread
2 of 256
/24s with at least one exit
Providers
10
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
5 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 199.100.0.0/24 | 0 | 1 | |
| 199.100.16.0/24 | 0 | 1 |
Proxy providers listing exits
- ByteProxies
- FloppyData
- Geonix
- GonzoProxy
- Infatica
- MangoProxy
- NodeProxy
- Proxy-Seller
- ProxyGeo
- VitalExclusive
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 |
|---|---|---|---|---|---|---|
| 199.97.0.0 - 199.100.255.255 | 262,144 | COGENT-199-97-98-99-100-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Dec 30, 1993 | [email protected] |
| └ 199.100.3.40/29 | 8 | NET-199-100-3-40-1 | unknown | — | — | — |
| └ 199.100.8.8/29 | 8 | NET-199-100-8-8-1 | unknown | — | — | — |
Network & registry
Origin network
AS174
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 16, 1996
- Domain
- cogentco.com
- Website
- www.cogentco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1,658
Routing timeline
Who has announced this prefix
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 |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 199.100.132.0/24 | AS27592 | RADB | AS27592 proxy-registered route by Cogent | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 199.97.0.0 - 199.100.255.255
- Netname
- COGENT-199-97-98-99-100-16
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-97-0-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Dec 30, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 30, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN