42.61.136.0/21
🇸🇬CIDR
42.61.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇸🇬 Singapore
City
Yishun New Town
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 42.61.136.0/21 | AS3758SINGNET - SingNet | Valid | APNIC | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 42.61.0.0/16 | AS3758SINGNET - SingNet | Valid | — | 5/31/2026 |
| 42.61.128.0/17 | AS9506SINGTEL-FIBRE - Singtel Fibre Broadband | Valid | — | 5/31/2026 |
RPKI ROAs
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 42.61.136.0/24 | 🇸🇬SG | assigned | |
| 42.61.137.0/24 | 🇸🇬SG | assigned | |
| 42.61.139.0/24 | 🇸🇬SG | assigned | |
| 42.61.143.0/24 | 🇸🇬SG | assigned | |
| 42.61.141.0/24 | 🇸🇬SG | assigned | |
| 42.61.138.0/24 | 🇸🇬SG | assigned | |
| 42.61.140.0/24 | 🇸🇬SG | assigned | |
| 42.61.142.0/24 | 🇸🇬SG | assigned |
Origin ASN
AS3758
SINGNET - SingNet
Geolocation
API
Open https://api.ipctl.io/v1/prefix/42.61.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/42.61.136.0/21" | jq
External Links