Data as of Nov 3, 2026
128.4.147.0/24
3 residential-proxy exits · 30 daysUniversity of Delaware
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Providers
3
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
350 observations
Proxy providers listing exits
- ColaProxy
- NovaProxy
- Thordata
Network & registry
Announced by
Covering announcement 128.4.0.0/16
- Prefix
- 128.4.0.0/16
- Announced by
- AS2 University of Delaware
- Type
- Business
- Proxy exits
- 99
- RPKI
- RPKI valid
- Netname
- UDEL-DCN
- Registrant
- University of Delaware
- RIR
- ARIN
Origin network
AS2
US
- Name
- University of Delaware
- Type
- Education
- Registered
- Jan 10, 1991
- Domain
- udel.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 128.4.0.0/16
128.4.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2008 · 18 yr
- Origin networks
- 2
- Last change of origin
- May 2008
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 128.4.0.0/16 | AS2 | /17 | ARIN | RPKI valid |
| 128.4.0.0/16 | AS34 | /17 | ARIN | Another network |
IRR
Route objects on 128.4.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2 | RADB | Proxy registration for the University of Delaware | MAINT-AS3754 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 128.4.0.0/16
- Netname
- UDEL-DCN
- Registrant
- University of Delaware
- Organization
- University of Delaware (UNIVER-19-Z)
- Org address
- Information Technologies, Newark, DE, 19716
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-4-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Jan 10, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 10, 1991
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN