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AS MEMBERSHIP
AS2501 is a member of the following AS sets:
- AS-2500-2914 ASes advertised from AS2500 to AS2914
- AS-LEVEL3-ORIGINS-NA Level(3) downstream origin ASes in the North American region
- AS1239:AS-CUSTOMERS ASNs in the AS1239 customer cone
- AS-IIJ ASes routed by IIJ
- AS-IIJ6 ASes routed by IIJ
- AS-WIDE ASes advertised by WIDE
- AS2907:AS-SINET ASs whose connectivity is provided by AS2907 SINET
AUTONOMOUS SYSTEM
AS2501 U-TOKYO source:RADB
| aut-num | AS2501 |
| as-name | U-TOKYO |
| descr | The University of Tokyo Autonomous System |
| admin-c | NM010JP |
| tech-c | AK27-AP |
| import | from AS2500 |
| import | action pref=100; |
| import | accept ANY |
| import | from AS2907 |
| import | action pref=100; |
| import | accept ANY |
| import | from AS7531 |
| import | action pref=100; |
| import | accept AS7531 |
| export | to AS2500 |
| export | announce AS2501 AS7531 |
| export | to AS2907 |
| export | announce AS2501 AS7531 |
| export | to AS7531 |
| export | announce ANY |
| notify | nocstaff@nc.u-tokyo.ac.jp |
| mnt-by | MAINT-AS2500 |
| changed | kato@wide.ad.jp 20020905 |
| source | RADB |
| last-modified | 2023-11-13T15:39:33Z |
REGISTERED ROUTES
130.69.0.0/16 The University of Tokyo,Hongo 7-3-1, Bunkyo,Tokyo 113, JAPAN source:RADB
| route | 130.69.0.0/16 |
| descr | The University of Tokyo |
| descr | Hongo 7-3-1, Bunkyo |
| descr | Tokyo 113, JAPAN |
| origin | AS2501 |
| mnt-by | MAINT-AS2500 |
| changed | kato@wide.ad.jp 20020905 |
| source | RADB |
| last-modified | 2023-11-13T15:39:33Z |
| rpki-ov-state | not_found |
133.11.0.0/16 University of Tokyo source:JPIRR
| route | 133.11.0.0/16 |
| descr | University of Tokyo |
| origin | AS2501 |
| mnt-by | MAINT-AS2907 |
| changed | as2907@sinet.ad.jp 20230712 |
| source | JPIRR |
| rpki-ov-state | not_found |
133.11.0.0/16 The University of Tokyo,Hongo 7-3-1, Bunkyo,Tokyo 113, JAPAN source:RADB
| route | 133.11.0.0/16 |
| descr | The University of Tokyo |
| descr | Hongo 7-3-1, Bunkyo |
| descr | Tokyo 113, JAPAN |
| origin | AS2501 |
| mnt-by | MAINT-AS2500 |
| changed | kato@wide.ad.jp 20020905 |
| source | RADB |
| last-modified | 2023-11-13T15:39:33Z |
| rpki-ov-state | not_found |
157.82.0.0/16 The University of Tokyo,Hongo 7-3-1, Bunkyo,Tokyo 113, JAPAN source:RADB
| route | 157.82.0.0/16 |
| descr | The University of Tokyo |
| descr | Hongo 7-3-1, Bunkyo |
| descr | Tokyo 113, JAPAN |
| origin | AS2501 |
| mnt-by | MAINT-AS2500 |
| changed | kato@wide.ad.jp 20020905 |
| source | RADB |
| last-modified | 2023-11-13T15:39:33Z |
| rpki-ov-state | not_found |
192.31.118.0/24 The University of Tokyo,2-11-16 Yayoi, Bunkyo,Tokyo 113, JAPAN source:RADB
| route | 192.31.118.0/24 |
| descr | The University of Tokyo |
| descr | 2-11-16 Yayoi, Bunkyo |
| descr | Tokyo 113, JAPAN |
| origin | AS2501 |
| mnt-by | MAINT-AS2500 |
| changed | kato@wide.ad.jp 20020905 |
| source | RADB |
| last-modified | 2023-11-13T15:39:33Z |
| rpki-ov-state | not_found |
192.51.208.0/20 JERNET,Earthquake Prediction Data Center,Earthquake Research Institute,Yayoi 1-1-1, Bunkyo,Tokyo 113, JAPAN source:RADB
| route | 192.51.208.0/20 |
| descr | JERNET |
| descr | Earthquake Prediction Data Center |
| descr | Earthquake Research Institute |
| descr | Yayoi 1-1-1, Bunkyo |
| descr | Tokyo 113, JAPAN |
| origin | AS2501 |
| mnt-by | MAINT-AS2500 |
| changed | kato@wide.ad.jp 20020905 |
| source | RADB |
| last-modified | 2023-11-13T15:39:33Z |
| rpki-ov-state | not_found |
2404:d540:1::/48 UTNET IPv6 Prefix source:RADB
| route6 | 2404:d540:1::/48 |
| descr | UTNET IPv6 Prefix |
| origin | AS2501 |
| mnt-by | MAINT-AS2500 |
| changed | sekiya@wide.ad.jp 20190905 |
| source | RADB |
| last-modified | 2023-11-13T15:57:23Z |
| rpki-ov-state | not_found |
