AS23808
TOSHIMA CABLE NETWORK 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 →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 202.140.192.0/19 | 8.2K |
92.3%
|
TOSHIMA CABLE NETWORK CO.,LTD | JP | Tokyo | Mejiro |
| 220.152.96.0/20 | 4.1K |
98.3%
|
TOSHIMA CABLE NETWORK CO.,LTD | JP | Tokyo | Mejiro |
| 103.40.128.0/22 | 1.0K |
85.1%
|
TOSHIMA CABLE NETWORK CO.,LTD | JP | Tokyo | Mejiro |
| 219.100.132.0/22 | 1.0K |
95.6%
|
TOSHIMA CABLE NETWORK CO.,LTD | JP | Tokyo | Kanamechō |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS23808 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 |
|---|---|---|
| 220.152.96.0/20 | 5,553 | 2026-07-29 17:59:11 |
| 202.140.192.0/19 | 5,529 | 2026-07-29 18:00:04 |
| 219.100.132.0/22 | 5,529 | 2026-07-29 17:58:54 |
| 103.40.128.0/22 | 5,410 | 2026-07-29 17:59:59 |
Frequently Asked Questions
What is AS23808?
AS23808 is an Autonomous System Number assigned to TOSHIMA CABLE NETWORK 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 AS23808 announce?
AS23808 announces 14.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Japan.
Who operates AS23808?
AS23808 is operated by TOSHIMA CABLE NETWORK CO.,LTD. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS23808 registered in?
AS23808 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
