Data as of Nov 3, 2026
74.90.128.0/21
28 residential-proxy exits · 30 daysCablevision Systems Corp. · space held by Optimum Online
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
28
1.4% of its addresses · 30 days
Always-on exits
6
21% of its exits
Spread
3 of 8
/24s with at least one exit
Providers
51
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
30K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 74.90.129.0/24 | 3 | 10 | |
| 74.90.128.0/24 | 3 | 9 | |
| 74.90.130.0/24 | 0 | 9 |
Proxy providers listing exits
- 711Proxy
- Ake.net
- B2Proxy
- BartProxies
- BirdProxies
- ByteProxies
- Byteful
- ColaProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- GSocks
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- HideProxy
- IPCola
- IPFly
- IPPeak
- Infatica
- InfiniteProxies
- KindProxy
- LemonBright
- LemonPrime
- LudaxProxy
- MangoProxy
- NextProxy
- NodeProxy
- NovaProxy
- Oxylabs
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- Thordata
- ThunderProxy
- TrueProxies
- VantageProxies
- VitalExclusive
- WealthProxies
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 74.88.0.0 - 74.90.255.255 | 196,608 | NETBLK-OOL-8BLK | Optimum Online (OPTO) · US | Direct Allocation | Mar 4, 2009 | [email protected] |
| └ 74.90.128.0/21 | 2,048 | OOL-CPE-NYK5NY-74-90-128-0-1-21 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 74.90.0.0/16
- Prefix
- 74.90.0.0/16
- Announced by
- AS6128 Cablevision Systems Corp.
- Type
- Residential
- Proxy exits
- 975
- Always-on exits
- 205
- RPKI
- RPKI valid
- Netname
- NETBLK-OOL-8BLK
- Registrant
- Optimum Online
- RIR
- ARIN
Origin network
AS6128
US
- Name
- Cablevision Systems Corp.
- Type
- Internet provider
- Domain
- cablevision.com
- Website
- www.optimum.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 74.90.0.0/16
74.90.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Sep 2010
- Current origin since
- Sep 2010 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 74.90.0.0/16 | AS6128 | /24 | ARIN | RPKI valid |
IRR
Route objects on 74.90.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6128 | ARIN | 111 new south RD | MNT-OPTO | Oct 13, 2022 |
Whois
Registration for this announcement
- Range
- 74.88.0.0 - 74.90.255.255
- Netname
- NETBLK-OOL-8BLK
- Registrant
- Optimum Online
- Organization
- Optimum Online (OPTO)
- Org address
- 111 new south RD, Hicksville, NY, 11801
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-74-88-0-0-1
- Parent
- NET-74-0-0-0-0
- Created
- Mar 4, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 4, 2009
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- OOL Hostmaster
- Phone
- +1-516-803-2300
- Handle
- OH4-ORG-ARIN