Data as of Nov 8, 2026
199.191.104.0/21
7 residential-proxy exits · 30 daysBlock Line Systems, LLC
Residential-proxy exits
Proxy exits
7
0.34% of its addresses · 30 days
Always-on exits
1
14% of its exits
Spread
3 of 8
/24s with at least one exit
Providers
24
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
683 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 199.191.104.0/24 | 1 | 1 | |
| 199.191.107.0/24 | 0 | 3 | |
| 199.191.111.0/24 | 0 | 3 |
Proxy providers listing exits
- 711Proxy
- 9Proxy
- AnyIP
- BottingTools
- Bright Data
- ColaProxy
- EnigmaProxy
- FastProxy
- FloppyData
- Geonode
- GloryCloud
- IPFly
- Kookey
- LemonBright
- NovaProxy
- Novada
- ProxyGeo
- ProxyRack
- RainProxy
- ResiProxies
- SPYDERPROXY_PREMIUM
- Shifter
- Thordata
- 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 |
|---|---|---|---|---|---|---|
| 199.191.104.0/21 | 2,048 | INFINITECOM | Block Line Systems, LLC (BLSL) · US | Direct Allocation | Mar 18, 2009 | IPAdmin@ |
| └ 199.191.105.176/28 | 16 | 199-191-105-176-PRN | unknown | — | — | — |
Network & registry
Origin network
AS26076
US
- Name
- Block Line Systems, LLC
- Type
- Internet provider
- Registered
- Oct 24, 2007
- Domain
- sharedsvcs.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2009
- Current origin since
- Apr 2009 · 18 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS26076 | RADB | Block Line Systems, a subsidiary of Block Communications | MAINT-AS26076 | Feb 13, 2024 |
Whois
Registration for this announcement
- Range
- 199.
191. 104. 0/ 21 - Netname
- INFINITECOM
- Registrant
- Block Line Systems, LLC
- Organization
- Block Line Systems, LLC (BLSL)
- Org address
- 1645 West Chester Pike, West Chester, PA, 19382
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-191-104-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Mar 18, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 18, 2009
- Status
- assigned
Report abuse
Abuse contact
- IPAdmin@
infinitecomllc. com - Name
- IP Address Administrator
- Phone
- +1-610-355-9700
- Handle
- IAA18-ARIN