203.172.104.0/22 - BGP Prefix
IPv4APNICallocatedNo ROA
CIDR
203.172.104.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇹🇭 Thailand
City
Phaya Thai (Khwaeng Samsen Nai)
RIR
APNIC
Status
allocated
Allocated
2002-12-16
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.172.104.0/24 | AS45458 SBN-AWN-AS-02-AP - SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX | No ROA | - | 2026-10-12 |
| 203.172.105.0/24 | AS45458 SBN-AWN-AS-02-AP - SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX | No ROA | - | 2026-10-12 |
| 203.172.106.0/24 | AS45458 SBN-AWN-AS-02-AP - SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX | No ROA | - | 2026-10-12 |
| 203.172.107.0/24 | AS45458 SBN-AWN-AS-02-AP - SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX | No ROA | - | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4750 | Other IRR | MAINT-AS4750 | 2025-05-28 |
More Specific Prefixes
Transfer History
Registry transfers of 203.172.104.0/22, blocks inside it, or blocks containing it.
- 203.172.104.0/22Transfer ·
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 APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/203.172.104.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.172.104.0/22" | jq
External Links