128.175.81.221
IPv4AS34 · UDELNET - University of Delaware, US · 128.175.0.0/16 · US registry
Public feed matches
No public feed evidence matches this value.
Passive DNS relationships
1 observations
Observed relationships do not establish maliciousness.
| Hostname | IP | Last seen | Hits | Provenance |
|---|---|---|---|---|
| online.udel.edu | 128.175.81.221 | Oct 2026First seen: Oct 2026 | 1 | CTIDAO DNS |
Network ownership
BGP origin and registry data from Team Cymru.
Origin ASN
AS34
BGP prefix
128.175.0.0/16
Registry country
US
UDELNET - University of Delaware, US
Registry country is RIR assignment data, not IP geolocation.
Checked 10/7/2026, 5:36:21 AM
Popularity
Daily link and hosting prominence from top1m.org; not a security verdict or traffic estimate.
Not present in the current Top 1M lists.
Private research
Take this investigation further
1 public pDNS relationships are available. Private research adds exact timing, focused pivots, and matching paid-feed intelligence. Eligible logged-in entity visits cost 1 CTIDAO, including pivots, refreshes and returns.