Data as of Nov 12, 2026
155.100.0.0/16
2 residential-proxy exits · 30 daysUniversity of Utah
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
3
selling exits here
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
308 observations
Proxy providers listing exits
- ColaProxy
- Proxiware
- Thordata
Network & registry
Origin network
AS17055
US
- Name
- University of Utah
- Type
- Education
- Registered
- Jul 18, 2000
- Domain
- utah.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS17055 | RADB | This is a UEN Customer route. | MAINT-AS210 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 155.100.7.0/24 | AS17055 | RADB | This is a UofU owned prefix announced by UEN | MAINT-AS210 | Nov 13, 2023 |
| 155.100.8.0/24 | AS17055 | RADB | This is a UofU owned prefix announced by UEN | MAINT-AS210 | Nov 13, 2023 |
| 155.100.110.0/24 | AS17055 | RADB | This is a UofU owned prefix announced by UEN | MAINT-AS210 | Nov 13, 2023 |
| 155.100.145.0/24 | AS17055 | RADB | This is a UofU owned prefix announced by UEN | MAINT-AS210 | Nov 13, 2023 |
| 155.100.194.0/23 | AS17055 | RADB | This is a UofU owned prefix announced by UEN | MAINT-AS210 | Nov 13, 2023 |
| 155.100.207.0/24 | AS17055 | RADB | This is a UofU owned prefix announced by UEN | MAINT-AS210 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 155.
100. 0. 0/ 16 - Netname
- UTAH-MED-NET
- Registrant
- University of Utah
- Organization
- University of Utah (UNIVER-15-Z)
- Org address
- University of Utah, Salt Lake City, UT, 84111
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-155-100-0-0-1
- Parent
- NET-155-0-0-0-0
- Created
- Nov 1, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 1, 1991
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
utah. edu - Name
- University of Utah
- Phone
- +1-801-581-4000
- Handle
- ZU27-ARIN