181.203.128.0/18 - Videotron Ltee (AS5769)
CIDR
181.203.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇨🇦 Canada
City
Montreal (Rosemont-La Petite-Patrie)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 181.203.128.0/18 | AS5769 VIDEOTRON - Videotron Ltee | Valid | ARIN | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 181.203.0.0/16 | AS5769 VIDEOTRON - Videotron Ltee | Valid | - | 2026-10-11 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS5769 | ARIN | MNT-VL-421 | 2026-09-01 |
Transfer History
Registry transfers of 181.203.128.0/18, blocks inside it, or blocks containing it.
- 181.203.0.0/16inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 181.203.0.0/16inter-RIR | Transfer |
Origin ASN
AS5769
VIDEOTRON - Videotron Ltee
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/181.203.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/181.203.128.0/18" | jq
External Links