Data as of Nov 3, 2026
131.135.0.0/16
No anonymizer space · no proxy exits in 30 daysShared Services Canada
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Sep 2026
from AS3766 Shared Services Canada
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 |
|---|---|---|---|---|---|---|
| 131.134.0.0 - 131.141.255.255 | 524,288 | SSC-299-Z | Shared Services Canada (SSC-299-Z) · CA | Direct Allocation | Nov 21, 1988 | [email protected] |
| └ 131.135.0.0/16 | 65,536 | DRES-NET2 | Defense Research Establishment Ottawa (DREO-2) · CA | Reassigned | Sep 1, 1992 | — |
Network & registry
Registry
Holder
- Organization
- Shared Services Canada
- Handle
- SSC-299-Z
- Range
- 131.134.0.0 - 131.141.255.255
- Registration type
- Direct Allocation
- Record created
- Nov 21, 1988
- Legacy
- yes
Origin network
AS2675
CA
- Name
- Shared Services Canada
- Type
- Education
- Registered
- May 25, 1993
- Domain
- ssc-spc.gc.ca
- Website
- www.canada.ca/en/shared-services.html
- Industry
- Community Groups and Nonprofits
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 3
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 131.135.0.0/17 | AS2675 | RADB | Government of Canada, Shared Services Canada | MAINT-AS2675 | Nov 13, 2023 |
| 131.135.128.0/17 | AS2675 | RADB | Government of Canada, Shared Services Canada | MAINT-AS2675 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 131.135.0.0/16
- Netname
- DRES-NET2
- Registrant
- Defense Research Establishment Ottawa
- Organization
- Defense Research Establishment Ottawa (DREO-2)
- Org address
- 3701 Carling Avenue, Shirley Bay, Ottawa, ON, K1A-0Z4
- Org country
- CA
- Type
- Reassigned
- Handle
- NET-131-135-0-0-1
- Parent
- NET-131-134-0-0-1
- Created
- Sep 1, 1992
- RIR
- ARIN
- Country
- CA
- Delegated
- Nov 21, 1988
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN