165.204.100.0/23 - Advanced Micro Devices (AS33619)
CIDR
165.204.100.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇯🇵 Japan
City
Shibuya City
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 165.204.100.0/23 | AS33619 AMD-MARKHAM - Advanced Micro Devices, Inc. | No ROA | - | 2026-10-11 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 165.204.100.0/24 | AS33619 AMD-MARKHAM - Advanced Micro Devices, Inc. | No ROA | - | 2026-10-11 |
| 165.204.101.0/24 | AS33619 AMD-MARKHAM - Advanced Micro Devices, Inc. | No ROA | - | 2026-10-11 |
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/165.204.100.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/165.204.100.0/23" | jq
External Links