210.81.128.0/18
🇯🇵CIDR
210.81.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Shibuya City
RIR
APNIC
Status
allocated
Allocated
10/6/2000
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.81.0.0/16 | AS703UUNET - Verizon Business | No ROA | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 210.81.134.80/29 | 🇯🇵JP | assigned | |
| 210.81.144.152/29 | 🇯🇵JP | assigned | |
| 210.81.149.40/29 | 🇯🇵JP | assigned | |
| 210.81.164.208/29 | 🇯🇵JP | assigned | |
| 210.81.162.104/30 | 🇯🇵JP | assigned |
Origin ASN
AS9466
Geolocation
API
Open https://api.ipctl.io/v1/prefix/210.81.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.81.128.0/18" | jq
External Links