Data as of Nov 3, 2026
131.104.0.0/17
148 residential-proxy exits · 30 daysUniversity of Guelph
Residential-proxy exits
Proxy exits
148
0.45% of its addresses · 30 days
Spread
3 of 128
/24s with at least one exit
Providers
53
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
4.0K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 131.104.23.0/24 | 0 | 126 | |
| 131.104.16.0/24 | 0 | 13 | |
| 131.104.2.0/24 | 0 | 9 |
Proxy providers listing exits
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- BartProxies
- BirdProxies
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GonzoProxy
- HideProxy
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KocerRoxy
- LemonBright
- LemonPrime
- MangoProxy
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Oxylabs
- ProxiesVision
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- ProxyRack
- Proxyma
- RainProxy
- RealProxy
- ResiProxies
- Shifter
- Thordata
- VantageProxies
- VitalExclusive
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 131.104.23.0/24 since Mar 2025 | AS31886 | Business | 126 | University of Guelph |
Network & registry
Origin network
AS31886
CA
- Name
- University of Guelph
- Type
- Education
- Registered
- Jan 15, 2004
- Domain
- uoguelph.ca
- Industry
- Education Software
- 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 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 131.104.0.0/16 | AS31886 | /24 | ARIN | RPKI valid |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 131.104.0.0/18 | AS31886 | RADB | Proxy registered route on behalf of Networking Services Johnston Hall University of Guelph | MAINT-AS36493 | Jun 17, 2026 |
Whois
Registration for this announcement
- Range
- 131.104.0.0/16
- Netname
- UOGUELPH
- Registrant
- University of Guelph
- Organization
- University of Guelph (UNIVER-279-Z)
- Org address
- Networking Services Johnston Hall, Guelph, ON, N1G-2W1
- Org country
- CA
- Type
- Direct Allocation
- Handle
- NET-131-104-0-0-1
- Parent
- NET-131-0-0-0-0
- Created
- Nov 4, 1988
- RIR
- ARIN
- Country
- CA
- Delegated
- Nov 4, 1988
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN