172.255.212.0/22 - BGP Prefix
IPv4ARINallocated RPKI Valid
CIDR
172.255.212.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇸🇬 Singapore
City
Singapore (Outram)
RIR
ARIN
Status
allocated
Allocated
2013-03-13
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
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.255.212.0/23 | AS59253 LEASEWEB-APAC-SIN-11 LEASEWEB SINGAPORE PTE. LTD. | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 172.255.212.0/23 | AS59253 | 🇸🇬SG | allocated |
| 172.255.214.0/23 | AS136988 | 🇦🇺AU | allocated |
Transfer History
Registry transfers of 172.255.212.0/22, blocks inside it, or blocks containing it.
- 172.255.212.0/23inter-RIRTransfer ·
- 172.255.214.0/23inter-RIRTransfer ·
- 172.255.208.0/20M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 172.255.212.0/23inter-RIR | Transfer | |||
| 172.255.214.0/23inter-RIR | Transfer | |||
| 172.255.208.0/20 | M&A |
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/172.255.212.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.255.212.0/22" | jq
External Links