Data as of Nov 5, 2026
131.104.128.0/17
No anonymizer space · no proxy exits in 30 daysUniversity 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
- Nov 2018
- Current origin since
- Nov 2018 · 8.0 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
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| 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
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN