Data as of Nov 13, 2026
50.25.2.0/24
No anonymizer space · no proxy exits in 30 daysOptimum
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Oct 22, 2026
from AS19108 Optimum, after 13.6 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 50.25.0.0/18 since Oct 2014 | AS19108 | Residential | 336 59 always on | Optimum | |
| 50.25.0.0/17 since Sep 2015 | AS19108 | Residential | 559 103 always on | Optimum | |
| 50.24.0.0/14 since Jul 2011 | AS19108 | Residential | 3,884 606 always on | Optimum |
Network & registry
Announced by
Covering announcement 50.25.0.0/20
- Prefix
- 50.25.0.0/20
- Announced by
- AS19108 Optimum
- Type
- Residential
- RPKI
- No RPKI
- Netname
- SUDDE-NETBLK-2010
- Registrant
- Optimum
- RIR
- ARIN
Origin network
AS19108
US
- Name
- Optimum
- Type
- Internet provider
- Registered
- Nov 20, 2000
- Domain
- optimum.com
- Website
- www.suddenlink.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
50.25.0.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2012
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 50.
24. 0. 0/ 14 - Netname
- SUDDE-NETBLK-2010
- Registrant
- Optimum
- Organization
- Optimum (SUDDE)
- Org address
- 311 NNW Loop 323, Tyler, TX, 75701
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-50-24-0-0-1
- Parent
- NET-50-0-0-0-0
- Created
- Oct 25, 2010
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 25, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
suddenlink. net - Name
- Abuse Suddenlink
- Phone
- +1-903-266-4800
- Handle
- ABUSE6997-ARIN