Data as of Nov 10, 2026
142.231.78.0/24
4 residential-proxy exits · 30 daysUniversity of British Columbia · space held by BCNET
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Providers
5
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
25 observations
Proxy providers listing exits
- Infatica
- MangoProxy
- NovaProxy
- RainProxy
- Shifter
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 142.231.0.0/16 since May 2005 | AS271 | Business | 138 | 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@ |
| └ 142.231.64.0/19 | 8,192 | UBCO-142-231-64 | University of British Columbia (UBC-3) · CA | Reassigned | Feb 12, 2021 | security@ |
Network & registry
Announced by
Covering announcement 142.231.64.0/19
- Prefix
- 142.231.64.0/19
- Announced by
- AS393249 University of British Columbia
- Type
- Business
- Proxy exits
- 77
- RPKI
- RPKI valid
- Netname
- UBCO-142-231-64
- 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
142.231.64.0/19
Routing history
- Pattern
- Stable
- First seen
- Oct 2005
- Current origin since
- Apr 2012 · 15 yr
- Origin networks
- 2
- Last change of origin
- Apr 2012
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 142.231.64.0/19 | AS393249 | /19 | ARIN | RPKI valid |
IRR
Route objects on 142.231.64.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS393249 | ARIN | 750 - 555 Seymour Street | MNT-BC-Z | Dec 7, 2023 |
Whois
Registration for this announcement
- Range
- 142.
231. 64. 0/ 19 - Netname
- UBCO-142-231-64
- 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-142-231-64-0-1
- Parent
- NET-142-231-0-0-1
- Created
- Feb 12, 2021
- 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