Data as of Nov 14, 2026
199.21.136.0/24
1 residential-proxy exit · 30 daysTopsham Communications LLC
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 15, 2026 – Nov 13, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- ThunderProxy
Network & registry
Announced by
Covering announcement 199.21.136.0/21
- Prefix
- 199.21.136.0/21
- Announced by
- AS22121 Topsham Communications LLC
- Type
- Residential
- Proxy exits
- 3
- RPKI
- RPKI valid
- Netname
- TOPSHAM-BLOCK-1
- Registrant
- Topsham Communications LLC
- RIR
- ARIN
Origin network
AS22121
US
- Name
- Topsham Communications LLC
- Type
- Internet provider
- Registered
- Jul 16, 2010
- Domain
- topshamcommunications.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 199.21.136.0/21
199.21.136.0/21
Routing history
- Pattern
- Stable
- First seen
- Oct 2010
- Current origin since
- Oct 2010 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 199.21.136.0/21 | AS22121 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 199.
21. 136. 0/ 21 - Netname
- TOPSHAM-BLOCK-1
- Registrant
- Topsham Communications LLC
- Organization
- Topsham Communications LLC (TOPSH-3)
- Org address
- 113 Fairground Rd, East Corinth, VT, 05040
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-21-136-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Aug 9, 2010
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 9, 2010
- Status
- assigned
Report abuse
Abuse contact
- dongmgr@
cit-tele. com - Name
- Ceresoli, Donnie
- Phone
- +1-315-324-5911
- Handle
- CERES7-ARIN