Data as of Nov 10, 2026
66.76.78.0/24
No anonymizer space · no proxy exits in 30 daysOptimum
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.76.0.0/16 since Nov 2006 | AS19108 | Residential | 254 25 always on | Optimum |
Network & registry
Announced by
Covering announcement 66.76.0.0/17
- Prefix
- 66.76.0.0/17
- Announced by
- AS19108 Optimum
- Type
- Residential
- Proxy exits
- 125
- Always-on exits
- 15
- RPKI
- No RPKI
- Netname
- SUDDE-NETBLK-66-76-0-0
- 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
66.76.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Nov 2014
- Current origin since
- Nov 2014 · 12 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 66.
76. 0. 0/ 16 - Netname
- SUDDE-NETBLK-66-76-0-0
- Registrant
- Optimum
- Organization
- Optimum (SUDDE)
- Org address
- 311 NNW Loop 323, Tyler, TX, 75701
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-76-0-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Feb 6, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 6, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
suddenlink. net - Name
- Abuse Suddenlink
- Phone
- +1-903-266-4800
- Handle
- ABUSE6997-ARIN