Data as of Nov 11, 2026
74.91.99.0/24
2 residential-proxy exits · 30 daysSupraNet Communications, Inc. · space held by Mad City Broadband, Inc.
Residential-proxy exits
Proxy exits
2
0.78% of its addresses · 30 days
Providers
2
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
61 observations
Proxy providers listing exits
- AnyIP
- FloppyData
Network & registry
Announced by
Covering announcement 74.91.96.0/20
- Prefix
- 74.91.96.0/20
- Announced by
- AS4150 SupraNet Communications, Inc.
- Type
- Residential
- Proxy exits
- 12
- RPKI
- RPKI valid
- Netname
- MCB-V4-BLOCK1
- Registrant
- Mad City Broadband, Inc.
- RIR
- ARIN
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 74.91.96.0/20
74.91.96.0/20
Routing history
- Pattern
- Reactivated
- First seen
- May 2011
- Current origin since
- Mar 2025 · 1.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 74.91.96.0/20 | AS4150 | /24 | ARIN | RPKI valid |
IRR
Route objects on 74.91.96.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4150 | ARIN | 8000 Excelsior Drive | MNT-MCB-21 | Jun 11, 2025 |
Whois
Registration for this announcement
- Range
- 74.
91. 96. 0/ 20 - Netname
- MCB-V4-BLOCK1
- 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-74-91-96-0-1
- Parent
- NET-74-0-0-0-0
- Created
- Apr 12, 2011
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 12, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
supranet. net - Name
- SupraNet Abuse Contact
- Phone
- +1-608-836-0282
- Handle
- SAC31-ARIN