Data as of Nov 8, 2026
209.121.180.0/23
No anonymizer space · no proxy exits in 30 daysTELUS Communications Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.121.0.0/16 since May 2005 | AS852 | Residential | 419 46 always on | TELUS Communications Inc. |
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 |
|---|---|---|---|---|---|---|
| 209.121.0.0/16 | 65,536 | TELUS-209-121-0-0 | TELUS Communications Inc. (TACE) · CA | Direct Allocation | Aug 1, 1997 | abuse@ |
| └ 209.121.180.0/23 | 512 | BASE-TECHNOLOGY-LTD | Base Technology Ltd (C11436467) · CA | Reassigned | Nov 28, 2025 | abuse@ via TELUS-209-121-0-0 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- TELUS Communications Inc.
- Handle
- TACE
- Range
- 209.
121. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Aug 1, 1997
- Legacy
- yes
Origin network
AS852
CA
- Name
- TELUS Communications Inc.
- Type
- Internet provider
- Registered
- Apr 16, 1998
- Domain
- telus.com
- Website
- www.telus.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2019
- Current origin since
- Sep 2019 · 7.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.121.180.0/23 | AS852 | /23 | ARIN | RPKI valid |
| 209.121.0.0/16 | AS852 | /16 | ARIN | Too specific |
Whois
Registration for this announcement
- Range
- 209.
121. 180. 0/ 23 - Netname
- BASE-TECHNOLOGY-LTD
- Registrant
- Base Technology Ltd
- Organization
- Base Technology Ltd (C11436467)
- Type
- Reassigned
- Handle
- NET-209-121-180-0-1
- Parent
- NET-209-121-0-0-1
- Created
- Nov 28, 2025
- RIR
- ARIN
- Country
- CA
- Delegated
- Aug 1, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
telus. com - Name
- Abuse at TELUS
- Phone
- +1-877-945-8220
- Handle
- AAT-ARIN