Data as of Nov 12, 2026
35.7.121.0/24
4 residential-proxy exits · 30 daysUniversity of Michigan - Flint · reallocated from Merit Network Inc.
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Providers
7
selling exits here
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
29 observations
Proxy providers listing exits
- ColaProxy
- Evomi
- InfiniteProxies
- RainProxy
- Shifter
- Thordata
- ZENPROXY_PREMIUM
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 35. | 1,114,112 | MICH-1 | Merit Network Inc. (MICH-Z) · US | Direct Allocation | Apr 1, 1994 | abuse@ |
| └ 35.7.0.0/16 | 65,536 | MICH-Z | University of Michigan (UNIVER-118) · US | Reallocated | Oct 29, 2020 | report-abuse@ |
| └ 35.7.112.0/20 | 4,096 | UMICH-61256 | University of Michigan - Flint (UMF-7) · US | Reallocated | Oct 29, 2020 | hostmaster@ |
Network & registry
Announced by
Covering announcement 35.7.112.0/20
- Prefix
- 35.7.112.0/20
- Announced by
- AS394769 University of Michigan - Flint
- Type
- Business
- Proxy exits
- 24
- RPKI
- RPKI valid
- Netname
- UMICH-61256
- Registrant
- University of Michigan - Flint
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Merit Network Inc.
- Handle
- MICH-Z
- Range
- 35.
0. 0. 0 - 35. 16. 255. 255 - Registration type
- Direct Allocation
- Record created
- Apr 1, 1994
- Legacy
- yes
- Reallocated to
- University of Michigan - Flint (UMF-7)
- Reallocated range
- 35.
7. 112. 0/ 20 - Reallocated
- Oct 29, 2020
Origin network
AS394769
US
- Name
- University of Michigan - Flint
- Type
- Education
- Registered
- Dec 23, 2015
- Domain
- umflint.edu
- Industry
- Education Software
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 35.7.112.0/20
35.7.112.0/20
Routing history
- Pattern
- Rotating
- First seen
- Oct 2023
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 35.7.112.0/20 | AS237 | /20 | ARIN | Another network |
| 35.7.112.0/20 | AS394769 | /20 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 35.
7. 112. 0/ 20 - Netname
- UMICH-61256
- Registrant
- University of Michigan - Flint
- Organization
- University of Michigan - Flint (UMF-7)
- Org address
- Information Technology Services, Flint, MI, 48502-1950
- Org country
- US
- Type
- Reallocated
- Handle
- NET-35-7-112-0-1
- Parent
- NET-35-7-0-0-1
- Created
- Oct 29, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 1, 1994
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
flint. umich. edu - Name
- Network Administrator, ITS
- Phone
- +1-810-762-3123
- Handle
- NAI10-ARIN