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Autonomous System

AS3258

xTom Japan Corporation

Announced IPs
35,328
CIDR prefixes
81
ASN
AS3258

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 1-5Tbps
Geographic scope Asia Pacific
Traffic ratio Balanced
Peering policy Selective
IRR record AS-XTOM

Present at 3 internet exchanges: BBIX Tokyo, Equinix Tokyo, JPNAP Tokyo: Peering

Web3 footprint

AS3258 hosts 2 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
45.14.64.0/22 1.0K
97.6%
xTom Japan Corporation DE
45.66.128.0/22 1.0K
0.0%
xTom Japan Corporation DE
45.66.216.0/22 1.0K
0.0%
xTom Japan Corporation DE
45.128.208.0/22 1.0K
47.1%
xTom Japan Corporation DE
45.129.8.0/22 1.0K
44.3%
xTom Japan Corporation DE
45.143.232.0/22 1.0K
55.7%
xTom Japan Corporation DE
45.149.156.0/22 1.0K
0.4%
xTom Japan Corporation DE
45.153.244.0/22 1.0K
1.9%
xTom Japan Corporation DE
45.159.48.0/22 1.0K
0.3%
xTom Japan Corporation DE
103.121.208.0/22 1.0K
97.6%
xTom Japan Corporation US
147.78.244.0/22 1.0K
0.0%
xTom Japan Corporation DE
176.119.148.0/22 1.0K
0.0%
xTom Japan Corporation DE
185.200.64.0/22 1.0K
43.1%
xTom Japan Corporation DE
193.32.148.0/22 1.0K
79.9%
xTom Japan Corporation DE
201.4.36.0/22 1.0K
93.8%
xTom Japan Corporation AE
201.4.40.0/22 1.0K
94.4%
xTom Japan Corporation AE
36.50.84.0/23 512
0.6%
xTom Japan Corporation SG
45.8.112.0/23 512
2.7%
xTom Japan Corporation DE
45.66.216.0/23 512
0.0%
xTom Japan Corporation DE
45.89.234.0/23 512
23.2%
xTom Japan Corporation DE
45.142.126.0/23 512
99.0%
xTom Japan Corporation DE
45.142.166.0/23 512
0.4%
xTom Japan Corporation NL
91.200.242.0/23 512
51.6%
xTom Japan Corporation DE
94.124.116.0/23 512
0.0%
xTom Japan Corporation DE
95.214.166.0/23 512
0.0%
xTom Japan Corporation DE
103.53.80.0/23 512
0.8%
xTom Japan Corporation SG
103.125.234.0/23 512
0.0%
xTom Japan Corporation VU
103.155.232.0/23 512
95.3%
xTom Japan Corporation DE
103.201.130.0/23 512
79.9%
xTom Japan Corporation JP Tokyo Tokyo
141.98.196.0/23 512
2.3%
xTom Japan Corporation DE
147.78.242.0/23 512
0.0%
xTom Japan Corporation DE
172.93.220.0/23 512
2.1%
xTom Japan Corporation US
176.119.148.0/23 512
0.0%
xTom Japan Corporation DE
185.213.150.0/23 512
0.0%
xTom Japan Corporation DE
193.111.30.0/23 512
1.8%
xTom Japan Corporation DE
43.239.249.0/24 256
5.1%
xTom Japan Corporation US
45.8.114.0/24 256
1.2%
xTom Japan Corporation DE
45.8.222.0/24 256
96.1%
xTom Japan Corporation DE
45.11.46.0/24 256
98.4%
xTom Japan Corporation DE
45.12.89.0/24 256
1.2%
xTom Japan Corporation SG
45.14.70.0/24 256
0.0%
xTom Japan Corporation DE
45.66.130.0/24 256
0.0%
xTom Japan Corporation DE
45.66.218.0/24 256
0.0%
xTom Japan Corporation DE
45.89.232.0/24 256
1.2%
xTom Japan Corporation DE
45.92.159.0/24 256
0.0%
xTom Japan Corporation DE
45.94.40.0/24 256
23.4%
xTom Japan Corporation DE
45.142.125.0/24 256
99.2%
xTom Japan Corporation DE
45.143.131.0/24 256
2.0%
xTom Japan Corporation DE
62.106.70.0/24 256
2.0%
xTom Japan Corporation DE
85.113.70.0/24 256
3.1%
xTom Japan Corporation US
88.214.22.0/24 256
0.0%
xTom Japan Corporation DE
91.199.209.0/24 256
0.4%
xTom Japan Corporation US
91.200.240.0/24 256
0.0%
xTom Japan Corporation DE
92.60.43.0/24 256
98.8%
xTom Japan Corporation DE
94.124.118.0/24 256
0.0%
xTom Japan Corporation DE
103.19.1.0/24 256
95.3%
xTom Japan Corporation JP Tokyo Tokyo
103.47.186.0/24 256
0.4%
xTom Japan Corporation SG
103.150.8.0/24 256
1.2%
xTom Japan Corporation US
103.193.129.0/24 256
0.0%
xTom Japan Corporation JP Tokyo Tokyo
103.193.130.0/24 256
0.0%
xTom Japan Corporation JP Tokyo Tokyo
103.201.128.0/24 256
93.0%
xTom Japan Corporation JP Tokyo Tokyo
109.107.137.0/24 256
2.0%
xTom Japan Corporation DE
109.107.140.0/24 256
2.0%
xTom Japan Corporation DE
141.98.198.0/24 256
4.3%
xTom Japan Corporation DE
146.19.19.0/24 256
0.8%
xTom Japan Corporation JP Tokyo Tokyo
146.19.163.0/24 256
0.0%
xTom Japan Corporation JP Tokyo Tokyo
147.78.245.0/24 256
0.0%
xTom Japan Corporation DE
147.78.246.0/24 256
0.0%
xTom Japan Corporation DE
149.62.44.0/24 256
75.8%
xTom Japan Corporation DE
167.253.156.0/24 256
4.7%
xTom Japan Corporation US
176.119.149.0/24 256
0.0%
xTom Japan Corporation DE
176.119.151.0/24 256
0.0%
xTom Japan Corporation DE
176.126.114.0/24 256
2.3%
xTom Japan Corporation DE
185.120.183.0/24 256
0.0%
xTom Japan Corporation DE
185.184.223.0/24 256
2.3%
xTom Japan Corporation DE
185.254.72.0/24 256
0.0%
xTom Japan Corporation DE
192.109.233.0/24 256
0.0%
xTom Japan Corporation NL
193.17.91.0/24 256
0.0%
xTom Japan Corporation DE
194.50.154.0/24 256
0.0%
xTom Japan Corporation JP Tokyo Tokyo
195.245.241.0/24 256
84.8%
xTom Japan Corporation DE
195.245.242.0/24 256
81.6%
xTom Japan Corporation DE

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.

PrefixAnnouncement samplesLast seen
103.155.232.0/24 65,176 2026-07-18 10:40:44
103.125.235.0/24 63,753 2026-07-18 10:09:15
91.200.240.0/24 63,144 2026-07-18 10:40:44
45.8.222.0/24 51,550 2026-07-18 10:40:44
45.128.208.0/24 51,298 2026-07-18 10:40:44
195.245.242.0/24 50,002 2026-07-18 10:40:44
103.155.233.0/24 48,679 2026-07-18 10:40:01
103.125.234.0/24 48,124 2026-07-18 10:40:37
103.201.130.0/24 42,631 2026-07-18 10:40:36
91.200.243.0/24 41,915 2026-07-18 10:40:37
103.201.131.0/24 41,793 2026-07-18 10:40:37
45.128.210.0/24 40,088 2026-07-18 10:40:37
85.113.70.0/24 39,854 2026-07-18 10:40:36
62.106.70.0/24 39,779 2026-07-18 10:40:39
193.111.30.0/24 39,512 2026-07-18 10:40:37
172.93.220.0/23 39,498 2026-07-18 10:40:37
91.200.242.0/24 39,376 2026-07-18 10:40:37
95.214.167.0/24 38,550 2026-07-18 10:40:44
176.119.148.0/24 38,491 2026-07-18 10:40:01
147.78.245.0/24 37,513 2026-07-18 10:40:37
185.200.65.0/24 36,910 2026-07-18 10:40:37
103.201.128.0/24 36,783 2026-07-18 10:40:36
45.128.211.0/24 36,336 2026-07-18 10:40:37
91.199.209.0/24 35,110 2026-07-18 10:40:37
147.78.246.0/24 35,095 2026-07-18 10:40:37
185.254.72.0/24 34,952 2026-07-18 10:40:37
195.245.241.0/24 34,886 2026-07-18 10:40:01
185.120.183.0/24 32,948 2026-07-18 10:40:35
103.47.186.0/24 32,396 2026-07-18 10:40:44
94.124.118.0/24 32,184 2026-07-18 10:40:39
141.98.197.0/24 32,069 2026-07-18 10:40:35
45.149.157.0/24 31,707 2026-07-18 10:40:36
95.214.166.0/24 30,496 2026-07-18 10:40:44
45.153.247.0/24 30,398 2026-07-18 10:40:37
45.149.156.0/24 30,158 2026-07-18 10:40:44
103.121.210.0/24 30,042 2026-07-18 10:40:44
185.200.66.0/24 29,075 2026-07-18 10:40:37
103.53.80.0/23 28,969 2026-07-18 10:40:44
192.109.233.0/24 28,614 2026-07-18 10:40:37
146.19.163.0/24 28,592 2026-07-18 10:40:44
103.121.209.0/24 28,375 2026-07-18 10:40:39
185.213.150.0/24 28,171 2026-07-18 10:40:39
92.60.43.0/24 28,149 2026-07-18 10:40:44
146.19.19.0/24 28,124 2026-07-18 10:40:44
194.50.154.0/24 28,060 2026-07-18 10:40:44
193.32.148.0/22 27,991 2026-07-18 10:40:37
185.200.64.0/24 27,950 2026-07-18 10:40:01
109.107.137.0/24 27,900 2026-07-18 10:40:01
45.129.9.0/24 27,139 2026-07-18 10:40:37
45.89.235.0/24 26,875 2026-07-18 10:40:39

Showing top 50 of 134 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 35.3K 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.

Last updated: 2026-07-18 10:40:31 UTC
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