AS131981 — TAKUSHOKUNET

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AS Name: TAKUSHOKUNET

Description: Takushoku University 815-1, Tatemachi, Hachioji-shi, Tokyo 193-0985, Japan

Registry: APNIC

⚠️ CIRCL BGP Security Rank: 0.0015% (position 13220)

aut-num:        AS131981
as-name: TAKUSHOKUNET
descr: Takushoku University
descr: 815-1, Tatemachi, Hachioji-shi, Tokyo 193-0985, Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : ********
country: JP
mnt-by: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-08-14T00:54:17Z
source: APNIC

Direct Membership

Macros that directly list AS131981 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 AS131981 (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

31 unique paths, avg length 2.6

AS131981AS2907AS2497AS38001AS2518AS137409AS9002AS11537AS140627AS2500AS3356AS6939AS293AS3257AS199524AS32590AS2734AS11399AS58299AS18187AS148968AS41051AS150000AS213151AS131981 Upstream Paths20 paths shown

AS Looking Glass

Upstream paths (matching graph above)

AS293 → AS2497 → AS131981
AS2734 → AS3257 → AS2497 → AS131981
AS32590 → AS3356 → AS2497 → AS131981
AS199524 → AS3356 → AS2497 → AS131981
AS11399 → AS6939 → AS2497 → AS131981
AS293 → AS2907 → AS131981
AS32590 → AS3356 → AS2497 → AS2907 → AS131981
AS199524 → AS3356 → AS2497 → AS2907 → AS131981
AS2500 → AS2907 → AS131981
AS2518 → AS2907 → AS131981
AS2734 → AS6939 → AS2907 → AS131981
AS11399 → AS6939 → AS2907 → AS131981
AS150000 → AS18187 → AS6939 → AS2907 → AS131981
AS213151 → AS41051 → AS58299 → AS6939 → AS2907 → AS131981
AS148968 → AS6939 → AS2907 → AS131981
AS9002 → AS2907 → AS131981
AS11537 → AS2907 → AS131981
AS38001 → AS2907 → AS131981
AS137409 → AS2907 → AS131981
AS140627 → AS2907 → AS131981
All 31 Upstream Paths

Complete list of all observed paths

AS2497 → AS131981
AS136557 → AS174 → AS2497 → AS131981
AS293 → AS2497 → AS131981
AS1299 → AS2497 → AS131981
AS3257 → AS2497 → AS131981
AS2734 → AS3257 → AS2497 → AS131981
AS32590 → AS3356 → AS2497 → AS131981
AS199524 → AS3356 → AS2497 → AS131981
AS3491 → AS2497 → AS131981
AS1221 → AS4637 → AS2497 → AS131981
AS4826 → AS2497 → AS131981
AS25091 → AS6453 → AS2497 → AS131981
AS6939 → AS2497 → AS131981
AS11399 → AS6939 → AS2497 → AS131981
AS142271 → AS9304 → AS2497 → AS131981
AS293 → AS2907 → AS131981
AS32590 → AS3356 → AS2497 → AS2907 → AS131981
AS199524 → AS3356 → AS2497 → AS2907 → AS131981
AS2500 → AS2907 → AS131981
AS2518 → AS2907 → AS131981
AS6939 → AS2907 → AS131981
AS2734 → AS6939 → AS2907 → AS131981
AS11399 → AS6939 → AS2907 → AS131981
AS150000 → AS18187 → AS6939 → AS2907 → AS131981
AS213151 → AS41051 → AS58299 → AS6939 → AS2907 → AS131981
AS148968 → AS6939 → AS2907 → AS131981
AS9002 → AS2907 → AS131981
AS11537 → AS2907 → AS131981
AS38001 → AS2907 → AS131981
AS137409 → AS2907 → AS131981
AS140627 → AS2907 → AS131981

AS131981 IPv4 Address Subnets (6)

133.36.0.0/17🇯🇵 JPIIJ Customer routeTAKUSHOKUNET
133.36.128.0/17🇯🇵 JPIIJ Customer routeTAKUSHOKUNET
133.36.0.0/18🇯🇵 JPIIJ Customer routeTAKUSHOKUNET
133.36.128.0/18🇯🇵 JPIIJ Customer routeTAKUSHOKUNET
133.36.192.0/18🇯🇵 JPIIJ Customer routeTAKUSHOKUNET
133.36.64.0/18🇯🇵 JPIIJ Customer routeTAKUSHOKUNET

Hostnames in AS131981