165.100.128.0/18 - BGP Prefix
IPv4not announced RPKI Valid
CIDR
165.100.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Chiyoda City
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
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 165.100.128.0/19 | AS4685 ASAHI-NET Asahi Net | Valid | - | 2026-10-11 |
| 165.100.176.0/20 | AS2519 VECTANT ARTERIA Networks Corporation | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 165.100.128.0/19 | AS4685 | 🇯🇵JP | allocated |
| 165.100.160.0/20 | 🇺🇸US | allocated | |
| 165.100.176.0/20 | AS2519 | 🇯🇵JP | allocated |
Transfer History
Registry transfers of 165.100.128.0/18, blocks inside it, or blocks containing it.
- 165.100.160.0/20inter-RIRTransfer ·
- 165.100.160.0/20Transfer ·
- 165.100.128.0/19Transfer ·
- 165.100.128.0/18Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 165.100.160.0/20inter-RIR | Transfer | |||
| 165.100.160.0/20 | Transfer | |||
| 165.100.128.0/19 | Transfer | |||
| 165.100.128.0/18 | 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/165.100.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/165.100.128.0/18" | jq
External Links