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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 3 internet exchanges: BBIX Tokyo, Equinix Tokyo, JPNAP Tokyo: Peering
Web3 footprint
AS3258 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS3258 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 |
|---|---|---|
| 103.155.232.0/24 | 141,448 | 2026-10-08 22:59:41 |
| 103.125.235.0/24 | 136,088 | 2026-10-08 22:59:41 |
| 91.200.240.0/24 | 133,164 | 2026-10-08 22:36:12 |
| 195.245.242.0/24 | 121,937 | 2026-10-08 22:59:09 |
| 45.8.222.0/24 | 119,951 | 2026-10-08 22:59:41 |
| 45.128.208.0/24 | 117,883 | 2026-10-08 22:59:41 |
| 103.125.234.0/24 | 110,518 | 2026-10-08 22:59:09 |
| 103.155.233.0/24 | 109,748 | 2026-10-08 22:59:09 |
| 103.201.130.0/24 | 105,443 | 2026-10-08 22:59:09 |
| 103.201.131.0/24 | 104,727 | 2026-10-08 22:59:09 |
| 45.128.210.0/24 | 104,069 | 2026-10-08 22:59:09 |
| 185.200.65.0/24 | 102,255 | 2026-10-08 22:59:09 |
| 91.200.243.0/24 | 102,208 | 2026-10-08 22:59:09 |
| 45.128.211.0/24 | 99,125 | 2026-10-08 22:59:09 |
| 147.78.245.0/24 | 99,063 | 2026-10-08 22:59:09 |
| 176.119.148.0/24 | 97,956 | 2026-10-08 22:59:09 |
| 172.93.220.0/23 | 97,613 | 2026-10-08 22:59:09 |
| 201.4.37.0/24 | 96,867 | 2026-10-08 22:59:41 |
| 103.201.128.0/24 | 96,697 | 2026-10-08 22:59:09 |
| 185.254.72.0/24 | 96,465 | 2026-10-08 22:59:09 |
| 147.78.246.0/24 | 96,465 | 2026-10-08 22:59:09 |
| 95.214.167.0/24 | 96,254 | 2026-10-08 22:36:09 |
| 201.4.36.0/24 | 95,604 | 2026-10-08 22:59:41 |
| 185.120.183.0/24 | 92,667 | 2026-10-08 22:59:09 |
| 103.47.186.0/24 | 92,151 | 2026-10-08 22:59:41 |
| 195.245.241.0/24 | 91,860 | 2026-10-08 22:59:09 |
| 103.121.210.0/24 | 91,715 | 2026-10-08 22:59:40 |
| 85.113.70.0/24 | 91,015 | 2026-10-08 22:35:56 |
| 193.111.30.0/24 | 90,593 | 2026-10-08 22:44:27 |
| 45.12.89.0/24 | 90,469 | 2026-10-08 22:59:09 |
| 45.149.157.0/24 | 89,738 | 2026-10-08 22:59:09 |
| 185.200.66.0/24 | 89,447 | 2026-10-08 22:59:09 |
| 103.53.80.0/23 | 88,507 | 2026-10-08 22:59:41 |
| 62.106.70.0/24 | 88,406 | 2026-10-08 22:35:56 |
| 146.19.19.0/24 | 88,167 | 2026-10-08 22:59:41 |
| 146.19.163.0/24 | 88,144 | 2026-10-08 22:59:41 |
| 45.149.156.0/24 | 88,128 | 2026-10-08 22:55:10 |
| 201.4.39.0/24 | 87,755 | 2026-10-08 22:59:09 |
| 201.4.38.0/24 | 87,373 | 2026-10-08 22:59:09 |
| 201.4.41.0/24 | 87,168 | 2026-10-08 22:59:09 |
| 201.4.40.0/24 | 86,842 | 2026-10-08 22:59:09 |
| 91.200.242.0/24 | 86,485 | 2026-10-08 22:35:56 |
| 91.199.209.0/24 | 86,260 | 2026-10-08 22:35:56 |
| 185.200.64.0/24 | 85,942 | 2026-10-08 22:59:09 |
| 45.153.247.0/24 | 85,638 | 2026-10-08 22:59:09 |
| 94.124.118.0/24 | 85,618 | 2026-10-08 22:59:09 |
| 193.32.148.0/22 | 83,985 | 2026-10-08 22:59:09 |
| 185.200.67.0/24 | 83,620 | 2026-10-08 22:59:09 |
| 192.109.233.0/24 | 83,614 | 2026-10-08 22:59:09 |
| 201.4.43.0/24 | 83,578 | 2026-10-08 22:59:09 |
Showing top 50 of 141 announced prefixes by sample volume.
Frequently Asked Questions
What is AS3258?
AS3258 is an Autonomous System Number assigned to xTom Japan 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 AS3258 announce?
AS3258 announces 35.8K IPv4 addresses distributed across 81 routed CIDR prefixes. The network is registered in Japan.
Who operates AS3258?
AS3258 is operated by xTom Japan Corporation. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS3258 registered in?
AS3258 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
