HomePrefix Lookup203.21.42.0/23

203.21.42.0/23

🇹🇭
IPv4APNICassignedAS56118OCSC-TH - Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000No ROA
CIDR
203.21.42.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇹🇭 Thailand
City
Nonthaburi (Tambon Talat Kwan)
RIR
APNIC
Status
assigned
Allocated
3/3/2011

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
203.21.42.0/23AS56118OCSC-TH - Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000No ROA
RADB
6/1/2026

Covering Prefix

2 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
203.21.42.0/24AS56118OCSC-TH - Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000No ROA—6/1/2026
203.21.43.0/24AS56118OCSC-TH - Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000No ROA—6/1/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS56118RADBMAINT-AS47505/28/2025
Origin ASN
AS56118
OCSC-TH - Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000
Geolocation
Country🇹🇭ThailandTH
RegionNonthaburi
CityNonthaburi (Tambon Talat Kwan)
Coordinates13.8475, 100.5140 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/203.21.42.0/23

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/203.21.42.0/23" | jq
External Links
RIPEstat Hurricane Electric BGP