Data as of Nov 5, 2026
128.57.3.0/24
No anonymizer space · no proxy exits in 30 daysShenandoah Cable Television LLC · space held by SRI International
Network & registry
Announced by
Covering announcement 128.57.0.0/20
- Prefix
- 128.57.0.0/20
- Announced by
- AS4922 Shenandoah Cable Television LLC
- Type
- Residential
- RPKI
- No RPKI
- Netname
- DEMO-PR-2
- Registrant
- SRI International
- RIR
- ARIN
Origin network
AS4922
US
- Name
- Shenandoah Cable Television LLC
- Type
- Internet provider
- Registered
- May 8, 1995
- Domain
- shentel.com
- Website
- shentel.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 128.57.0.0/20
128.57.0.0/20
Routing history
- Pattern
- Stable
- First seen
- Jul 2009
- Current origin since
- Jul 2009 · 17 yr
- Origin networks
- 1
IRR
Route objects on 128.57.0.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4922 | NTTCOM | Proxy-registered route | MAINT-SHENTEL | Jul 2, 2009 |
Whois
Registration for this announcement
- Range
- 128.
57. 0. 0/ 16 - Netname
- DEMO-PR-2
- Registrant
- SRI International
- Organization
- SRI International (SRIINT-Z)
- Org address
- 333 Ravenswood Avenue, Menlo Park, CA, 94025
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-57-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Nov 9, 1984
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 9, 1984
- Status
- assigned
Report abuse
Abuse contact
- mark.
favis@ sri. com - Name
- Favis, Mark Anthony Medrano
- Phone
- +1-650-859-6499
- Handle
- MAMF-ARIN