Data as of Nov 15, 2026
142.231.161.0/24
1 residential-proxy exit · 30 daysUniversity of British Columbia · space held by BCNET
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 16, 2026 – Nov 14, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- BestProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 142.231.0.0/16 since May 2005 | AS271 | Business | 129 | BCNET |
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 |
|---|---|---|---|---|---|---|
| 142.231.0.0/16 | 65,536 | BCNET3 | BCNET (BC-Z) · CA | Direct Allocation | Feb 9, 1993 | bcnet-arin-abuse@ |
| └ 142.231.160.0/19 | 8,192 | UBCO-142-231-160 | University of British Columbia (UBC-3) · CA | Reassigned | Dec 1, 2023 | security@ |
Network & registry
Announced by
Covering announcement 142.231.160.0/19
- Prefix
- 142.231.160.0/19
- Announced by
- AS393249 University of British Columbia
- Type
- Business
- Proxy exits
- 43
- RPKI
- RPKI valid
- Netname
- UBCO-142-231-160
- Registrant
- University of British Columbia
- RIR
- ARIN
Registry
Holder
- Organization
- BCNET
- Handle
- BC-Z
- Range
- 142.
231. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 9, 1993
- Legacy
- yes
Origin network
AS393249
CA
- Name
- University of British Columbia
- Type
- Education
- Registered
- Dec 14, 2010
- Domain
- ubc.ca
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
142.231.160.0/19
Routing history
- Pattern
- Stable
- First seen
- Dec 2023
- Current origin since
- Dec 2023 · 3.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 142.231.160.0/19 | AS393249 | /19 | ARIN | RPKI valid |
IRR
Route objects on 142.231.160.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS393249 | ARIN | University of British Columbia | MNT-BC-Z | Dec 5, 2023 |
Whois
Registration for this announcement
- Range
- 142.
231. 160. 0/ 19 - Netname
- UBCO-142-231-160
- Registrant
- University of British Columbia
- Organization
- University of British Columbia (UBC-3)
- Org address
- 6356 Agricultural Road, Vancouver, BC, V6T-1Z2
- Org country
- CA
- Type
- Reassigned
- Handle
- NET-142-231-160-0-1
- Parent
- NET-142-231-0-0-1
- Created
- Dec 1, 2023
- RIR
- ARIN
- Country
- CA
- Delegated
- Feb 9, 1993
- Status
- assigned
Report abuse
Abuse contact
- security@
ubc. ca - Name
- Abuse
- Phone
- +1-604-822-2008
- Handle
- ABUSE3547-ARIN