AS131937 — Joetsu Cable Vision JCV
AS Name: JCV
Description: Joetsu Cable Vision
Registry: JPIRR
aut-num: AS131937
as-name: JCV
descr: Joetsu Cable Vision
notify: jcv-ix-isp@jcv.co.jp
admin-c: JP00164408
tech-c: JP00164408
mnt-by: MAINT-AS131937
changed: junkanai@jcv.co.jp 20251202
source: JPIRR
Direct Membership
Macros that directly list AS131937 as a member:
AS-GIGAINFRA-V6(202 members)
AS-GIGAINFRA(508 members)
AS-IIJ6(898 members)
AS-IIJ(1639 members)
AS1239:AS-CUSTOMERS(4238 members)
Expanded Membership
All macros containing AS131937 (directly or via nested macros): 87
Show 87 macros
AS-GIGAINFRA-V6(833 ASNs)
AS-GIGAINFRA(1,276 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-SEABONECUSTAS(19,767 ASNs)
AS-XO(23,361 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-ASIA-V6(68,905 ASNs)
AS17645:AS-NTTS(70,764 ASNs)
AS17645:AS-NTTS-IP(70,764 ASNs)
AS2914:AS-ASIA(70,764 ASNs)
AS-SEABONE(71,409 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-OPENPEERINGPEERS(76,528 ASNs)
AS-OPENPEERINGPEERS-EU(76,536 ASNs)
AS-IX(76,712 ASNs)
AS-SPEED-IX(76,712 ASNs)
AS30781:AS-JAGUAR-PEERING-LINX(77,905 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)
AS2914:AS-GLOBAL-V6(81,831 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-LINX(81,936 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-1-IX-WAW(82,799 ASNs)
AS3326:AS-PEERS-UA(83,796 ASNs)
AS3326:AS-UA(83,796 ASNs)
AS-1-IX-WAW-V6(84,590 ASNs)
AS-SEATTLEIX-RS-CLIENTS(84,639 ASNs)
AS-KLNK-IX(85,102 ASNs)
AS-NL-IX-RS(85,102 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-1-IX-V6(87,628 ASNs)
AS-SOX(90,571 ASNs)
AS59900:AS-B-IX-PARTNERS(90,888 ASNs)
AS-VIX-RS(90,892 ASNs)
AS-VIX-RS-V6(91,142 ASNs)
AS216369:AS-IX(91,206 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
56 unique paths, avg length 2.2
AS Looking Glass
Upstream paths (matching graph above)
All 56 Upstream Paths
Complete list of all observed paths
AS131937 IPv4 Address Subnets (27)
| 126.251.0.0/19 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.5 X-Keiro :… | JCV |
| 170.249.96.0/19 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.4 X-Keiro :… | JCV |
| 126.251.0.0/20 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.5-1 X-Keiro… | JCV |
| 126.251.128.0/20 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.8 X-Keiro :… | JCV |
| 126.251.16.0/20 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.5-2 X-Keiro… | JCV |
| 170.249.112.0/20 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.4-2 X-Keiro… | JCV |
| 170.249.96.0/20 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.4-1 X-Keiro… | JCV |
| 126.251.112.0/21 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.7 X-Keiro :… | JCV |
| 126.251.128.0/21 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.8-1 X-Keiro… | JCV |
| 126.251.136.0/21 | 🇯🇵 JP | Joetsu Cable Vision IPv4 CIDR-block NO.8-2 X-Keiro… | JCV |
AS131937 IPv6 Address Subnets (5)
| 2403:4040::/32 | 🇯🇵 JP | Joetsu Cable Vision IPv6 Address-block NO.1 X-Keir… | JCV |
| 2403:4040::/48 | 🇯🇵 JP | Joetsu Cable Vision IPv6 Address-block NO.1-1 X-Ke… | JCV |
| 2403:4040:1::/48 | 🇯🇵 JP | Joetsu Cable Vision IPv6 Address-block NO.1-2 X-Ke… | JCV |
| 2403:4040:2::/48 | 🇯🇵 JP | Joetsu Cable Vision IPv6 Address-block NO.1-3 X-Ke… | JCV |
| 2406:2b40::/32 | 🇯🇵 JP | Joetsu Cable Vision IPv6 Address-block JMiX NO.1 X… | JCV |