Data as of Nov 5, 2026
192.236.30.0/23
No anonymizer space · no proxy exits in 30 daysSupraNet Communications, Inc. · space held by Mad City Broadband, Inc.
Network & registry
Origin network
AS4150
US
- Name
- SupraNet Communications, Inc.
- Type
- Internet provider
- Registered
- Dec 15, 1994
- Domain
- supranet.net
- Website
- www.supranet.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2025
- Current origin since
- Mar 2025 · 1.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 192.236.28.0/22 | AS4150 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4150 | ARIN | 8000 Excelsior Drive | MNT-MCB-21 | Jun 12, 2025 |
Whois
Registration for this announcement
- Range
- 192.
236. 28. 0/ 22 - Netname
- MCB-V4-BLOCK2
- Registrant
- Mad City Broadband, Inc.
- Organization
- Mad City Broadband, Inc. (MCB-21)
- Org address
- 8000 Excelsior Drive, Madison, WI, 53717
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-192-236-28-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Feb 15, 2013
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 15, 2013
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN