AS131159 — Yamagata University Yamagata Univ
AS Name: YAMAGATAU-AS
Description: Yamagata University
Registry: JPIRR
aut-num: AS131159
as-name: YAMAGATAU-AS
descr: Yamagata University
notify: sinet-admin@cc.yamagata-u.ac.jp
admin-c: HY6776JP
tech-c: TI8586JP
tech-c: YT5606JP
mnt-by: MAINT-AS131159
changed: tomohiro@yamagata-u.ac.jp 20260715
source: JPIRR
Direct Membership
Macros that directly list AS131159 as a member:
AS-GCTR-JP(69 members)
AS2907:AS-SINET(150 members)
AS20965:AS-FROM-TEIN-TO-GEANT(600 members)
AS-BBIX-T-V6(683 members)
AS-BBIX-T(877 members)
AS-IIJ6(898 members)
AS-IIJ(1639 members)
AS1239:AS-CUSTOMERS(4238 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)
AS-HURRICANEV6(20402 members)
Expanded Membership
All macros containing AS131159 (directly or via nested macros): 290
Show 100 macros
AS-GCTR-JP(69 ASNs)
AS2907:AS-SINET(150 ASNs)
AS-COLTJP(206 ASNs)
AS-COLT-APAC(321 ASNs)
AS20965:AS-FROM-TEIN-TO-GEANT(639 ASNs)
AS-BBIX-T-V6(683 ASNs)
AS8220:AS-COLTJP(732 ASNs)
AS-GIGAINFRA-V6(833 ASNs)
AS8220:AS-COLT-APAC(849 ASNs)
AS-BBIX-T(877 ASNs)
AS-GIGAINFRA(1,276 ASNs)
AS20965:AS-FROM-INTERNET2-TO-GEANT(2,433 ASNs)
AS-IIJ6(2,528 ASNs)
AS-GEANTNRENPEERS(3,149 ASNs)
AS-IIJ(3,162 ASNs)
AS-COLT(3,372 ASNs)
AS-IBSCUST(3,862 ASNs)
AS8220:AS-COLT(3,925 ASNs)
AS1239:AS-CUSTOMERS(4,238 ASNs)
AS-PACNET(4,289 ASNs)
AS-ANC(4,335 ASNs)
AS-SEABONECUSTIT(4,379 ASNs)
AS-CLARANETFR-PEERINGS(4,820 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS-SEABONECUSTAS(19,767 ASNs)
AS-HURRICANEV6(20,402 ASNs)
AS-SEECIX-V6(20,691 ASNs)
AS56858:AS-SEECIX-V6(20,691 ASNs)
AS-DECIX-RIC-V6(20,721 ASNs)
AS393752:AS-DECIX-RIC-V6(20,721 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-TIX(21,568 ASNs)
AS-LITIX-V6(22,027 ASNs)
AS-T-CIX-V6(22,807 ASNs)
AS-XO(23,361 ASNs)
AS-VSNL-IN(23,661 ASNs)
AS-BALT-IX-V6(23,949 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-CIXP(24,509 ASNs)
AS-FIXO-V6(25,776 ASNs)
AS-MFNX(26,187 ASNs)
AS47214:AS-LILLIX(26,738 ASNs)
AS43100:AS-MEMBERS(26,826 ASNs)
AS-SFINX-RS-MEMBERS-IPV6(26,914 ASNs)
AS-SFINX-RS-MEMBERS(26,976 ASNs)
AS30781:AS-JAGUAR-PEERING-CIXP(27,405 ASNs)
AS-DECIX-BCN-V6(28,476 ASNs)
AS57802:AS-DECIX-BCN-V6(28,476 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-SWISS-IX(28,564 ASNs)
AS30781:AS-JAGUAR-PEERING-SWISS-IX(31,389 ASNs)
AS-DECIX-ORD-V6(31,479 ASNs)
AS62760:AS-DECIX-ORD-V6(31,479 ASNs)
AS-DECIX-LIS-V6(32,541 ASNs)
AS43729:AS-DECIX-LIS-V6(32,541 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-EQUINIX-PA(34,681 ASNs)
AS-MONIX-PEERS(37,180 ASNs)
AS30781:AS-JAGUAR-PEERING-EQUINIX-PA(37,230 ASNs)
AS-TAHOEIX-MEMBERS(37,370 ASNs)
AS-MBIX-RS-MEMBERS(37,425 ASNs)
AS-ONIX(37,766 ASNs)
AS211776:AS-CRAFTBYTE-UPSTREAMS(37,882 ASNs)
AS-VSIX-RS(38,411 ASNs)
AS207800:AS-RTIX-SET(39,194 ASNs)
AS33495:AS-MEMBERS(39,231 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS-LUCIX-RS(40,498 ASNs)
AS7606:AS-QLD-IX(40,666 ASNs)
AS7606:AS-WA-IX(40,872 ASNs)
AS-SONIX(41,963 ASNs)
AS-VANIX-RS-PARTICIPANTS(42,555 ASNs)
AS201376:AS-PEERS(42,984 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-FRANCE-IX-MARSEILLE(44,422 ASNs)
AS-ECIX-BER(45,114 ASNs)
AS30781:AS-JAGUAR-PEERING-FRANCE-IX-MARSEILLE(46,036 ASNs)
AS-ECIX-HAM(46,249 ASNs)
AS7606:AS-NSW-IX(46,591 ASNs)
AS7606:AS-ALL(47,090 ASNs)
AS-ECIX-MUC(48,469 ASNs)
AS-ECIX-DUS(48,854 ASNs)
AS2914:AS-US-V6(52,836 ASNs)
AS2914:AS-US(53,991 ASNs)
AS-NIXSK-RSCLIENTS(55,989 ASNs)
AS47627:AS-NIXSK-RSCLIENTS(56,033 ASNs)
AS-BIX-V6(56,058 ASNs)
AS-TOPIX-RS(57,252 ASNs)
AS-PLIX6(60,222 ASNs)
AS-SET-INEX-RS(60,298 ASNs)
AS-BCIX-RS(61,123 ASNs)
AS16374:AS-BCIX-RS(61,123 ASNs)
AS-HKIX(64,663 ASNs)
AS-TELIANETASIA(65,174 ASNs)
AS1299:AS-TWELVE99-AP-V4(65,174 ASNs)
AS-TELIANETASIA-V6(66,784 ASNs)
AS1299:AS-TWELVE99-AP-V6(66,784 ASNs)
AS-SET-INEX-CONNECTED(67,097 ASNs)
AS-UAEIX(67,297 ASNs)
AS61374:AS-UAEIX(67,297 ASNs)
AS2914:AS-ASIA-V6(68,905 ASNs)
AS-SEABONECUSTEU(69,169 ASNs)
AS-NETIX-INT(69,913 ASNs)
AS43380:AS-DTEL-IX(69,913 ASNs)
... and 190 more
Upstream AS Paths
33 unique paths, avg length 2.9
AS Looking Glass
Upstream paths (matching graph above)
All 33 Upstream Paths
Complete list of all observed paths
AS131159 IPv4 Address Subnets (6)
| 133.24.0.0/16 | 🇯🇵 JP | Yamagata University X-Keiro: sinet-admin@cc.yamaga… | YAMAGATAU-AS |
| 133.24.0.0/18 | 🇯🇵 JP | Yamagata University X-Keiro: sinet-admin@cc.yamaga… | YAMAGATAU-AS |
| 133.24.128.0/18 | 🇯🇵 JP | Yamagata University X-Keiro: sinet-admin@cc.yamaga… | YAMAGATAU-AS |
| 133.24.64.0/18 | 🇯🇵 JP | Yamagata University X-Keiro: sinet-admin@cc.yamaga… | YAMAGATAU-AS |
| 133.24.192.0/19 | 🇯🇵 JP | Yamagata University X-Keiro: sinet-admin@cc.yamaga… | YAMAGATAU-AS |
| 133.24.248.0/23 | 🇯🇵 JP | Yamagata University X-Keiro: sinet-admin@cc.yamaga… | YAMAGATAU-AS |
AS131159 IPv6 Address Subnets (1)
| 2001:df0:25e::/48 | 🇯🇵 JP | Yamagata University X-Keiro: sinet-admin@cc.yamaga… | YAMAGATAU-AS |