AS18091 — TEIKYO-U
AS Name: TEIKYO-U
Description: Teikyo University Teikyo University Toyosatodai 1-1, Utsunomiya, Tochigi 320,Japan Teikyo University
Registry: NTTCOM
aut-num: AS18091
as-name: TEIKYO-U
descr: Teikyo University
admin-c: HT069JP
tech-c: HT069JP
notify: hal@med.teikyo-u.ac.jp
mnt-by: MAINT-AS18091
changed: masuzawa@ntt.ocn.ne.jp 20020515
source: NTTCOM
aut-num: AS18091
as-name: TEIKYO-U
descr: Teikyo University
admin-c: HT069JP
tech-c: HT069JP
mnt-by: MAINT-AS2907
changed: as2907@sinet.ad.jp 20260302
source: JPIRR
aut-num: AS18091
as-name: TUC-NET
descr: Teikyo University
descr: Toyosatodai 1-1, Utsunomiya, Tochigi 320,Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : ********
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-10-03T08:01:12Z
source: APNIC
Direct Membership
Macros that directly list AS18091 as a member:
AS2907:AS-SINET(150 members)
AS20965:AS-FROM-TEIN-TO-GEANT(600 members)
AS-IIJ6(898 members)
AS-IIJ(1639 members)
AS1239:AS-CUSTOMERS(4238 members)
Expanded Membership
All macros containing AS18091 (directly or via nested macros): 49
Show 49 macros
AS2907:AS-SINET(150 ASNs)
AS20965:AS-FROM-TEIN-TO-GEANT(639 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)
AS1239:AS-CUSTOMERS(4,238 ASNs)
AS2914:AS-US-V6(52,836 ASNs)
AS2914:AS-US(53,991 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)
AS2914:AS-EUROPE-V6(73,647 ASNs)
AS-VERIO-EUROPE(74,186 ASNs)
AS2914:AS-EUROPE(74,186 ASNs)
AS30781:AS-JAGUAR-PEERING-LINX(77,905 ASNs)
AS2914:AS-GLOBAL-V6(81,831 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-LINX(81,936 ASNs)
AS-VERIO(82,495 ASNs)
AS-WNA(82,495 ASNs)
AS2914:AS-GLOBAL(82,495 ASNs)
AS-SEATTLEIX-RS-CLIENTS(84,639 ASNs)
AS-TELIANETEU-V6(85,444 ASNs)
AS1299:AS-TWELVE99-EU-V6(85,444 ASNs)
AS-TELIANETEU(85,632 ASNs)
AS1299:AS-TWELVE99-EU-V4(85,632 ASNs)
AS-TELIANETNA(86,938 ASNs)
AS1299:AS-TWELVE99-NA-V4(86,938 ASNs)
AS-TELIANETNA-V6(86,952 ASNs)
AS1299:AS-TWELVE99-NA-V6(86,952 ASNs)
AS-TELIANET-V6(92,705 ASNs)
AS1299:AS-TWELVE99-V6(92,705 ASNs)
AS-TELIANET(92,989 ASNs)
AS1299:AS-TWELVE99-V4(92,989 ASNs)
AS-BCIX(93,003 ASNs)
AS16374:AS-BCIX-ALL(93,003 ASNs)
AS1299:AS-TWELVE99(93,076 ASNs)
AS-TIXZH(94,757 ASNs)
AS-DECIX(96,509 ASNs)
AS-NFON-DECIX-PEERS-V4(96,509 ASNs)
AS-NFON-DECIX-PEERS-V6(96,509 ASNs)
AS6695:AS-DECIX-FRA(96,509 ASNs)
AS-ST1-IXPS(96,670 ASNs)
AS-DECIX-V6(100,277 ASNs)
AS6695:AS-DECIX-FRA-V6(100,277 ASNs)
AS-CLOUD-IX-PRO(100,911 ASNs)
AS-MERKEL-PEERS(100,925 ASNs)
Upstream AS Paths
30 unique paths, avg length 2.6
AS Looking Glass
Upstream paths (matching graph above)
AS18091 IPv4 Address Subnets (3)
| 202.253.108.0/22 | 🇯🇵 JP | TEIKYO-U.AC.JP | TEIKYO-U |
| 202.253.108.0/23 | 🇯🇵 JP | TEIKYO-U.AC.JP | TEIKYO-U |
| 202.253.110.0/23 | 🇯🇵 JP | TEIKYO-U.AC.JP | TEIKYO-U |