187.42.0.0/16 - BGP Prefix
IPv4not announced RPKI Valid
CIDR
187.42.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇸🇬 Singapore
City
Singapore
Status
not announced
Allocated
-
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
17 more-specific announcementsMore Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 187.42.0.0/17 | AS150436 | 🇸🇬SG | allocated |
| 187.42.128.0/18 | AS150436 | 🇸🇬SG | allocated |
| 187.42.192.0/18 | 🇺🇸US | allocated |
Transfer History
Registry transfers of 187.42.0.0/16, blocks inside it, or blocks containing it.
- 187.42.128.0/18inter-RIRTransfer ·
- 187.42.0.0/17inter-RIRTransfer ·
- 187.42.0.0/16inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 187.42.128.0/18inter-RIR | Transfer | |||
| 187.42.0.0/17inter-RIR | Transfer | |||
| 187.42.0.0/16inter-RIR | Transfer |
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/187.42.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/187.42.0.0/16" | jq
External Links