64.104.0.0/16
🇯🇵CIDR
64.104.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Shibuya City
RIR
ARIN
Status
allocated
Allocated
5/24/2000
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.104.0.0/16 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | ARINRADB | 5/30/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.104.192.0/18 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
| 64.104.0.0/18 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
| 64.104.160.0/19 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
| 64.104.128.0/19 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
| 64.104.64.0/19 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
| 64.104.96.0/19 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
| 64.104.204.0/23 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
| 64.104.206.0/23 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
| 64.104.124.0/24 | AS109CISCOSYSTEMS - CISCO SYSTEMS, INC. | Valid | — | 5/30/2026 |
Origin ASN
AS109
CISCOSYSTEMS - CISCO SYSTEMS, INC.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/64.104.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/64.104.0.0/16" | jq
External Links