ResearchRouting table, RPKI, IRR & looking glass

AS45688 The University of Tokyo Interfaculty Initiative in Information Studies

AS45688 (UT-NSRG) is registered to The University of Tokyo Interfaculty Initiative in Information Studies in JP. It originates 5 prefixes in the global routing table.

5
IPv4 prefixes
0
IPv6 prefixes
3,584
IPv4 addresses
0%
RPKI valid

Who holds AS45688

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS45688
Handle
UT-NSRG
Organization
The University of Tokyo Interfaculty Initiative in Information Studies
Country
JP
ASPA
None published

What AS45688 announces

Prefixes originated by AS45688 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
0
IPv4 addresses
3,584 (14 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
5
ROAs naming AS45688
0
With an IRR route object
0 0%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (5)

RPKI valid   RPKI invalid   no ROA covers it

Who AS45688 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 1 upstream.

Who buys transit from AS45688

None seen: AS45688 does not appear to provide transit to anyone.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
APNICHGC1MAINT-JPNIC

Route objects with origin AS45688: JPIRR 1

as-sets that list AS45688 (7)