163.203.0.0/16 - Dimension Data Dimension Data (AS3741)
CIDR
163.203.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇿🇦 South Africa
City
Midrand (Noordwyk)
RIR
AFRINIC
Status
assigned
Allocated
1984-01-01
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 163.203.0.0/16 | AS3741 Dimension Data - Dimension Data | No ROA | Other IRR | 2026-10-12 |
More-Specific Announcements
5 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 163.203.0.0/18 | AS3741 Dimension Data - Dimension Data | No ROA | - | 2026-10-12 |
| 163.203.64.0/18 | AS3741 Dimension Data - Dimension Data | No ROA | - | 2026-10-12 |
| 163.203.160.0/19 | AS3741 Dimension Data - Dimension Data | No ROA | - | 2026-10-12 |
| 163.203.192.0/19 | AS3741 Dimension Data - Dimension Data | No ROA | - | 2026-10-12 |
| 163.203.224.0/24 | AS3741 Dimension Data - Dimension Data | No ROA | - | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3741 | Other IRR | MAINT-AS3741 | 2023-11-13 |
Origin ASN
AS3741
Dimension Data - Dimension Data
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 AFRINIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/163.203.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/163.203.0.0/16" | jq
External Links