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AS18091

TEIKYO-U

Teikyo University

Registry

Authoritative registration data

AS number
18091
Name
TEIKYO-U
Organisation
Teikyo University
Country
Flag of Japan JP Japan
RIR
APNIC
Registered
Source:asn:rdap retrieved

IPv4 prefixes

3

IPv6 prefixes

0

Total announced

3

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS18091
202.253.108.0/22 IPv4 /22 not checked
202.253.108.0/23 IPv4 /23 not checked
202.253.110.0/23 IPv4 /23 not checked

No rows match “”.

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Source:ripestat:announced-prefixes observed

Internet Exchanges

Exchanges where this network has a listed peering LAN connection

No Internet Exchange memberships found

The exchange directory has no current membership records for this AS.

Source:peeringdb retrieved

Exchange membership means the network has a listed connection; it does not prove peering with other members.

Observed adjacencies

Networks seen next to AS18091 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

2 networks seen before AS18091 in AS paths

Observed upstreams
Families
AS2907 SINET-AS 263 664
v4
AS2497 IIJ 263 332
v4

No rows match “”.

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Observed downstreams

0 networks seen after AS18091 in AS paths

No downstreams observed

This AS was not seen carrying traffic towards another network.

Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual.