AS2501
UTnet
The University of Tokyo
Registry
Authoritative registration data
- AS number
- 2501
- Name
- UTnet
- Organisation
- The University of Tokyo
- Country
-
JP
Japan
- RIR
- APNIC
- Registered
- —
IPv4 prefixes
4
IPv6 prefixes
2
Total announced
6
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 130.69.0.0/16 | IPv4 | /16 | not checked | |
| 133.11.0.0/16 | IPv4 | /16 | not checked | |
| 157.82.0.0/16 | IPv4 | /16 | not checked | |
| 192.51.208.0/20 | IPv4 | /20 | not checked | |
| 2404:d540::/32 | IPv6 | /32 | not checked | |
| 2404:d540:1::/48 | IPv6 | /48 | not checked |
No rows match “”.
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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.
Exchange membership means the network has a listed connection; it does not prove peering with other members.
Observed adjacencies
Networks seen next to AS2501 in BGP paths by route collectors.
Observed upstreams
2 networks seen before AS2501 in AS paths
| Families | |||
|---|---|---|---|
| AS2907 SINET-AS | 389 | 1,897 |
v4
v6
|
| AS2500 WIDE-BB | 15 | 88 |
v4
|
No rows match “”.
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Observed downstreams
0 networks seen after AS2501 in AS paths
No downstreams observed
This AS was not seen carrying traffic towards another network.