AS18077
Yamaguchi Cable Vision Co.,Ltd
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 8 internet exchanges: JPIX TOKYO, BBIX Singapore, JPIX OSAKA, BBIX Osaka, BBIX Tokyo, BBIX Hong Kong, BBIX US-West, BBIX Amsterdam
AS18077 — global IP footprint
Cities where AS18077 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 122.250.0.0/15 | 131.1K |
99.4%
|
Yamaguchi Cable Vision Co.,Ltd | JP | Yamaguchi | Yamaguchi |
| 193.82.64.0/19 | 8.2K |
0.0%
|
Yamaguchi Cable Vision Co.,Ltd | JP | — | — |
| 218.223.192.0/20 | 4.1K |
98.2%
|
Yamaguchi Cable Vision Co.,Ltd | JP | — | — |
| 202.246.180.0/23 | 512 |
0.4%
|
Yamaguchi Cable Vision Co.,Ltd | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18077 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 122.250.0.0/18 | 10,482 | 2026-07-19 05:38:10 |
| 122.250.64.0/18 | 10,470 | 2026-07-19 05:38:10 |
| 202.246.180.0/23 | 5,236 | 2026-07-19 05:48:04 |
| 122.250.0.0/15 | 5,148 | 2026-07-19 05:38:10 |
| 122.251.0.0/16 | 4,558 | 2026-07-19 05:38:10 |
| 218.223.192.0/20 | 4,550 | 2026-07-19 05:38:10 |
| 122.250.0.0/16 | 4,539 | 2026-07-19 05:38:10 |
| 122.251.128.0/17 | 4,305 | 2026-07-19 03:52:32 |
| 193.82.64.0/19 | 4,169 | 2026-07-19 05:46:36 |
| 122.250.192.0/22 | 1,110 | 2026-07-19 01:21:41 |
| 122.250.224.0/22 | 1,090 | 2026-07-19 01:21:41 |
| 122.250.160.0/22 | 1,086 | 2026-07-19 01:21:47 |
| 122.251.252.0/23 | 1,081 | 2026-07-19 01:21:41 |
| 122.250.128.0/22 | 1,078 | 2026-07-19 01:21:30 |
| 122.251.0.0/19 | 1,077 | 2026-07-19 01:21:36 |
| 122.251.128.0/19 | 1,074 | 2026-07-19 01:20:07 |
| 218.223.204.0/24 | 1,072 | 2026-07-19 01:20:42 |
| 122.251.240.0/24 | 1,071 | 2026-07-19 01:21:30 |
| 218.223.205.0/24 | 1,065 | 2026-07-19 01:22:00 |
| 122.251.64.0/19 | 1,064 | 2026-07-19 01:21:41 |
| 122.251.96.0/19 | 1,063 | 2026-07-19 01:21:41 |
| 218.223.206.0/24 | 1,057 | 2026-07-19 01:22:00 |
| 122.251.32.0/19 | 1,057 | 2026-07-19 01:21:47 |
| 122.251.216.0/24 | 1,055 | 2026-07-19 01:21:41 |
| 218.223.207.0/24 | 1,052 | 2026-07-19 01:22:00 |
| 122.251.217.0/24 | 1,052 | 2026-07-19 01:21:41 |
| 122.251.246.0/23 | 1,051 | 2026-07-19 01:21:47 |
| 218.223.202.0/24 | 1,050 | 2026-07-19 01:22:00 |
| 218.223.199.0/24 | 1,047 | 2026-07-19 01:22:00 |
| 122.251.239.0/24 | 1,047 | 2026-07-19 01:20:36 |
| 122.251.241.0/24 | 1,047 | 2026-07-19 01:21:41 |
| 218.223.200.0/24 | 1,045 | 2026-07-19 01:22:00 |
| 218.223.198.0/24 | 1,045 | 2026-07-19 01:22:00 |
| 122.251.218.0/24 | 1,044 | 2026-07-19 01:21:41 |
| 218.223.203.0/24 | 1,043 | 2026-07-19 01:22:00 |
| 218.223.196.0/24 | 1,042 | 2026-07-19 01:22:00 |
| 218.223.197.0/24 | 1,041 | 2026-07-19 01:22:00 |
| 218.223.193.0/24 | 1,038 | 2026-07-19 01:22:00 |
| 218.223.201.0/24 | 1,037 | 2026-07-19 01:22:00 |
| 122.250.100.0/22 | 1,037 | 2026-07-19 01:21:36 |
| 122.251.249.0/24 | 1,036 | 2026-07-19 01:21:36 |
| 122.251.219.0/24 | 1,031 | 2026-07-19 01:20:07 |
| 122.250.96.0/22 | 1,026 | 2026-07-19 01:21:36 |
| 122.251.245.0/24 | 1,025 | 2026-07-19 01:21:36 |
| 122.251.244.0/24 | 1,024 | 2026-07-19 01:21:41 |
| 218.223.194.0/24 | 1,023 | 2026-07-19 01:22:00 |
| 218.223.195.0/24 | 1,023 | 2026-07-19 01:22:00 |
| 122.251.250.0/24 | 1,022 | 2026-07-19 01:21:41 |
| 122.251.251.0/24 | 1,021 | 2026-07-19 01:21:41 |
| 122.251.248.0/24 | 1,018 | 2026-07-19 01:21:36 |
Showing top 50 of 54 announced prefixes by sample volume.
Frequently Asked Questions
What is AS18077?
AS18077 is an Autonomous System Number assigned to Yamaguchi Cable Vision Co.,Ltd. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS18077 announce?
AS18077 announces 143.9K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Japan.
Who operates AS18077?
AS18077 is operated by Yamaguchi Cable Vision Co.,Ltd. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS18077 registered in?
AS18077 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
