AS45677
Isahaya Cable Media 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 7 internet exchanges: BBIX Osaka, BBIX Tokyo, BBIX Fukuoka, BBIX Singapore, BBIX Hong Kong, BBIX US-West, BBIX Amsterdam
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 180.148.192.0/20 | 4.1K |
97.6%
|
Isahaya Cable Media Co.,Ltd | JP | Nagasaki | Isahaya |
| 180.148.184.0/21 | 2.0K |
78.7%
|
Isahaya Cable Media Co.,Ltd | JP | Nagasaki | Isahaya |
| 192.92.248.0/21 | 2.0K |
92.1%
|
Isahaya Cable Media Co.,Ltd | JP | Nagasaki | Isahaya |
| 103.251.116.0/22 | 1.0K |
90.1%
|
Isahaya Cable Media Co.,Ltd | JP | Nagasaki | Isahaya |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS45677 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 |
|---|---|---|
| 192.92.248.0/21 | 4,996 | 2026-07-31 04:34:11 |
| 180.148.184.0/21 | 4,952 | 2026-07-31 04:34:11 |
| 180.148.192.0/20 | 4,926 | 2026-07-31 04:34:11 |
| 103.251.116.0/22 | 4,920 | 2026-07-31 04:34:11 |
Frequently Asked Questions
What is AS45677?
AS45677 is an Autonomous System Number assigned to Isahaya Cable Media 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 AS45677 announce?
AS45677 announces 9.2K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Japan.
Who operates AS45677?
AS45677 is operated by Isahaya Cable Media Co.,Ltd. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS45677 registered in?
AS45677 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
