IPv6 prefixes
AS2501 UTNET The University of Tokyo
Education ARIN
Inventory
IPv6 prefixes
| Prefix | Addresses | Country | RPKI | IRR | Flags |
|---|---|---|---|---|---|
| 2404:d540::/47 | /47 | JP | — | — | |
| 2404:d540:2::/47 | /47 | JP | — | — | |
| 2404:d540:4::/46 | /46 | JP | — | — | |
| 2404:d540:8::/45 | /45 | JP | — | — | |
| 2404:d540:10::/44 | /44 | JP | — | — | |
| 2404:d540:20::/43 | /43 | JP | — | — | |
| 2404:d540:40::/42 | /42 | JP | — | — | |
| 2404:d540:80::/41 | /41 | JP | — | — | |
| 2404:d540:100::/40 | /40 | JP | — | — | |
| 2404:d540:200::/39 | /39 | JP | — | — | |
| 2404:d540:400::/38 | /38 | JP | — | — | |
| 2404:d540:800::/37 | /37 | JP | — | — | |
| 2404:d540:1000::/36 | /36 | JP | — | — | |
| 2404:d540:2000::/35 | /35 | JP | — | — | |
| 2404:d540:4000::/34 | /34 | JP | — | — | |
| 2404:d540:8000::/33 | /33 | JP | — | — |
IPv6 is counted in prefixes, not addresses: a single /32 is 296 addresses, and totals at that scale stop meaning anything.