AS18272
AS Name: SYNFORM
Description: SYNFORM CO.,LTD Benesse Corporation 10-1 Takayanagi-Higashimachi Kita-ku,Okayama City,Okayama,700-034,Japan SYNFORM CO.,LTD
Registry: JPIRR
aut-num: AS18272
as-name: SYNFORM
descr: SYNFORM CO.,LTD
admin-c: Harase Masahiro
tech-c: Kawakami Tadanori
mnt-by: MAINT-AS2497
changed: shuhei-o@iij.ad.jp 20250728
source: JPIRR
aut-num: AS18272
as-name: BSH-NET
descr: Benesse Corporation
descr: 10-1 Takayanagi-Higashimachi Kita-ku,Okayama City,Okayama,700-034,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: 2024-08-16T02:49:35Z
source: APNIC
aut-num: AS18272
as-name: SYNFORM
descr: SYNFORM CO.,LTD
admin-c: Harase Masahiro
tech-c: Kawakami Tadanori
mnt-by: MAINT-AS2497
changed: k-hori@iij.ad.jp 20100218
source: RADB
last-modified: 2023-11-13T15:40:34Z
Upstream AS Paths
35 unique paths, avg length 2.7
AS Looking Glass
Upstream paths (matching graph above)
Prefixes (11) →
View all IPv4 and IPv6 prefixes originated by AS18272
Hostnames in AS18272
Direct Membership
Macros that directly list AS18272 as a member:
AS-PWD(52 members)
AS-OCN-V6(204 members)
AS-VECTANT(225 members)
AS-OCN(458 members)
AS-IIJ6(898 members)
AS-KDD(1151 members)
AS-IIJ(1639 members)
AS1239:AS-CUSTOMERS(4238 members)
AS-REACH-CUSTOMERS(8210 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)
Expanded Membership
All macros containing AS18272 (directly or via nested macros): 150
Show 100 macros
AS-PWD(52 ASNs)
AS-OCN-ALL-V6(204 ASNs)
AS-OCN-V6(204 ASNs)
AS-VECTANT(225 ASNs)
AS-OCN-ALL(458 ASNs)
AS-OCN(458 ASNs)
AS-KDD(1,151 ASNs)
AS-KDDCUSTOMER(1,151 ASNs)
AS-IIJ6(2,528 ASNs)
AS-IIJ(3,162 ASNs)
AS1239:AS-CUSTOMERS(4,238 ASNs)
AS-PACNET(4,289 ASNs)
AS-ANC(4,335 ASNs)
AS-REACH-CUSTOMERS(8,210 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS-SEABONECUSTAS(19,767 ASNs)
AS-XO(23,361 ASNs)
AS-VSNL-IN(23,661 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)
AS201376:AS-PEERS(42,984 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-TOPIX-RS(57,252 ASNs)
AS3491:AS-CUSTOMERS-AP(58,474 ASNs)
AS-CAIS(61,483 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)
AS17645:AS-NTTS(70,764 ASNs)
AS2914:AS-ASIA(70,764 ASNs)
AS17645:AS-NTTS-IP(70,764 ASNs)
AS-SEABONE(71,409 ASNs)
AS-UAEIX-V6(71,954 ASNs)
AS61374:AS-UAEIX-V6(71,954 ASNs)
AS-DECIX-PMO-V6(72,294 ASNs)
AS25083:AS-DECIX-PMO-V6(72,294 ASNs)
AS-DECIX-PMO(72,297 ASNs)
AS25083:AS-DECIX-PMO(72,297 ASNs)
AS2914:AS-EUROPE-V6(73,647 ASNs)
AS-EBONE(73,672 ASNs)
AS-ST1-UPSTREAMS(73,733 ASNs)
AS-DECIX-IST(73,942 ASNs)
AS20715:AS-DECIX-IST(73,942 ASNs)
AS-VERIO-EUROPE(74,186 ASNs)
AS2914:AS-EUROPE(74,186 ASNs)
AS-SWISSIX-RS(75,248 ASNs)
AS42476:AS-SWISSIX(75,248 ASNs)
AS-MIRONET-SWISSIX-PEERS(75,488 ASNs)
AS-OPENPEERINGPEERS(76,528 ASNs)
AS-OPENPEERINGPEERS-EU(76,536 ASNs)
AS-SET-LONAP-MLP(76,698 ASNs)
AS-IX(76,712 ASNs)
AS-SPEED-IX(76,712 ASNs)
AS-SET-LONAP-CONNECTED(77,146 ASNs)
AS215153:AS-EXCHANGES(77,148 ASNs)
AS42064:AS-MEMBERS(77,328 ASNs)
AS39801:AS-CDNUSERS(77,556 ASNs)
AS30781:AS-JAGUAR-PEERING-LINX(77,905 ASNs)
AS30781:AS-JAGUAR-PEERING-AMS-IX(78,176 ASNs)
AS-FRANCEIX-MRS(79,600 ASNs)
AS-TPIX(79,670 ASNs)
AS-DECIX-MUC(79,778 ASNs)
AS-ALPIX(79,778 ASNs)
AS47228:AS-DECIX-MUC(79,778 ASNs)
AS-1-IX(79,814 ASNs)
AS31561:AS-MEMBERS-AMS(79,814 ASNs)
AS31561:AS-MEMBERS(79,895 ASNs)
AS-STOLON-PEERING(79,897 ASNs)
AS-DECIX-NYC(80,230 ASNs)
AS-DECIX-NYC-V6(80,230 ASNs)
AS63034:AS-DECIX-NYC(80,230 ASNs)
AS63034:AS-DECIX-NYC-V6(80,230 ASNs)
AS42476:AS-SWISSIX-V6(80,246 ASNs)
AS-HOPUS(80,866 ASNs)
AS-NIXCZ-RSCLIENTS(81,401 ASNs)
AS47110:AS-PEERS(81,401 ASNs)
AS208060:AS-PEERS(81,401 ASNs)
AS2914:AS-GLOBAL-V6(81,831 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-LINX(81,936 ASNs)
AS-SET-LONAP-MLP-V6(82,026 ASNs)
AS-DATAIX(82,325 ASNs)
AS-DATAIX-UA(82,325 ASNs)
AS-VERIO(82,495 ASNs)
AS-WNA(82,495 ASNs)
AS2914:AS-GLOBAL(82,495 ASNs)
AS-10VPN-PEERS(82,586 ASNs)
AS-ECIX-FRA(82,682 ASNs)
... and 50 more