Home / Prefixes / 2404:d540::/32

2404:d540::/32 No ROA

The University of Tokyo · Updated 22.10.2026 08:14 UTC
Announced IPv6 AS2501 The University of Tokyo JP Japan

Network Information

Prefix
2404:d540::/32
Network Description:
—
Address range
2404:d540:: – 2404:d540:ffff:ffff:ffff:ffff:ffff:ffff
Size
4,294,967,296 × /64
Origin AS
AS2501 The University of Tokyo
AS path
AS208972AS9121AS2497AS2907AS2907AS2907AS2501
Paths seen
1
RPKI
No ROA
Location
JP Japan
First seen
21.10.2026

RPKI ROAs

No ROA covers this prefix.
None in the routing table.
PrefixOrigin ASDescriptionLocationRPKI
2404:d540:1::/48 AS2501 JP No ROA
PrefixOrigin ASDescriptionLocationRPKI
130.69.0.0/16 AS2501 University of Tokyo JP Nakano City No ROA
133.11.0.0/16 AS2501 Japan Network Information Center JP Kashiwa No ROA
157.82.0.0/16 AS2501 University of Tokyo JP Honkomagome No ROA
192.51.208.0/20 AS2501 University of Tokyo JP No ROA
2404:d540:1::/48 AS2501 JP No ROA

Origin AS

Details →
AS
AS2501
Name
The University of Tokyo
Prefixes
4 IPv4 · 2 IPv6
Peers
1 (1 Upstreams)

Approximate location

GeoLite2

External links

RIPEstat bgp.tools Hurricane Electric IRR Explorer Looking Glass JSON API