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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
AS23791 — global IP footprint
Cities where AS23791 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 |
|---|---|---|---|---|---|---|
| 124.246.128.0/17 | 32.8K |
98.3%
|
LCV Corporation | JP | Nagano | Chino |
| 202.122.192.0/19 | 8.2K |
73.0%
|
LCV Corporation | JP | Nagano | Fujimi |
| 118.102.48.0/20 | 4.1K |
90.4%
|
LCV Corporation | JP | Nagano | Suwa |
| 110.5.120.0/21 | 2.0K |
0.3%
|
LCV Corporation | JP | Nagano | Chino |
| 118.102.40.0/21 | 2.0K |
95.9%
|
LCV Corporation | JP | Nagano | Sōga |
| 202.170.208.0/21 | 2.0K |
94.3%
|
LCV Corporation | JP | Nagano | Okaya Shi |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS23791 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 |
|---|---|---|
| 202.170.208.0/21 | 6,912 | 2026-07-27 20:59:10 |
| 202.122.192.0/19 | 6,876 | 2026-07-27 20:59:10 |
| 124.246.128.0/17 | 6,467 | 2026-07-27 20:59:10 |
| 118.102.48.0/20 | 6,454 | 2026-07-27 20:59:10 |
| 118.102.40.0/21 | 6,443 | 2026-07-27 20:59:10 |
| 110.5.120.0/21 | 6,416 | 2026-07-27 20:59:10 |
Frequently Asked Questions
What is AS23791?
AS23791 is an Autonomous System Number assigned to LCV Corporation. 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 AS23791 announce?
AS23791 announces 51.2K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in Japan.
Who operates AS23791?
AS23791 is operated by LCV Corporation. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS23791 registered in?
AS23791 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
