Data as of Nov 8, 2026
204.43.128.0/17
47 residential-proxy exits · 30 daysMesa Public Schools · space held by The University of Arizona
Residential-proxy exits
Proxy exits
47
0.14% of its addresses · 30 days
Spread
25 of 128
/24s with at least one exit
Providers
7
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
53 observations
/24s with the most always-on exits
Proxy providers listing exits
- EnigmaProxy
- FloppyData
- NovaProxy
- ProxyEmpire
- RainProxy
- Shifter
- VantageProxies
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.43.128.0/18 since Aug 2017 | AS6172 | Business | The University of Arizona via Arizona Board of Regents | ||
| 204.43.192.0/18 since Aug 2018 | AS6172 | Business | 47 | The University of Arizona via Arizona Board of Regents |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 204.43.0.0/16 | 65,536 | ARIZ-FORMER-WEST | The University of Arizona (UOAZ-Z) · US | Direct Allocation | Jan 1, 1994 | abuse@ |
| └ 204.43.0.0/16 | 65,536 | SCN-KYRENE-MESASD | Arizona Board of Regents (ABR-13) · US | Reallocated | Mar 10, 2021 | abuse@ |
| └ 204.43.128.0/17 | 32,768 | MESASD | Mesa School District (MSD-1) · US | Reassigned | Mar 10, 2021 | — |
Network & registry
Registry
Holder
- Organization
- The University of Arizona
- Handle
- UOAZ-Z
- Range
- 204.
43. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jan 1, 1994
- Legacy
- yes
- Reallocated to
- Arizona Board of Regents (ABR-13)
- Reallocated
- Mar 10, 2021
Origin network
AS6172
US
- Name
- Mesa Public Schools
- Type
- Education
- Registered
- May 27, 2014
- Domain
- mpsaz.org
- 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
- Aug 2014 · 12 yr
- Origin networks
- 2
- Last change of origin
- Aug 2014
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6172 | RADB | PHX | MAINT-AS22773 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.
43. 128. 0/ 17 - Netname
- MESASD
- Registrant
- Mesa School District
- Organization
- Mesa School District (MSD-1)
- Org address
- 549 N. Stapley Drive, Mesa, AZ, 85203
- Org country
- US
- Type
- Reassigned
- Handle
- NET-204-43-128-0-1
- Parent
- NET-204-43-0-0-2
- Created
- Mar 10, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 1, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
arizona. edu - Name
- Abuse Contact
- Phone
- +1-520-621-6710
- Handle
- ABUSE2144-ARIN