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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 v1.2.0 — 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 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

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
103.155.232.0/24 123,223 2026-09-01 05:14:48
91.200.240.0/24 121,727 2026-09-01 05:14:48
103.125.235.0/24 117,835 2026-09-01 05:14:52
45.8.222.0/24 105,268 2026-09-01 05:14:48
45.128.208.0/24 103,483 2026-09-01 05:14:48
195.245.242.0/24 103,274 2026-09-01 05:14:50
103.125.234.0/24 92,096 2026-09-01 05:14:50
103.155.233.0/24 89,924 2026-09-01 05:14:50
95.214.167.0/24 88,390 2026-09-01 05:14:48
103.201.130.0/24 86,394 2026-09-01 05:14:37
45.128.210.0/24 86,028 2026-09-01 05:14:37
103.201.131.0/24 85,587 2026-09-01 05:14:37
91.200.243.0/24 83,652 2026-09-01 05:14:50
85.113.70.0/24 83,411 2026-09-01 05:14:50
193.111.30.0/24 83,177 2026-09-01 05:14:37
185.200.65.0/24 82,164 2026-09-01 05:14:50
45.128.211.0/24 81,302 2026-09-01 05:14:37
147.78.245.0/24 80,660 2026-09-01 05:14:37
62.106.70.0/24 80,622 2026-09-01 05:14:50
172.93.220.0/23 79,150 2026-09-01 05:14:50
103.201.128.0/24 78,843 2026-09-01 05:14:37
91.200.242.0/24 78,785 2026-09-01 05:14:50
91.199.209.0/24 78,756 2026-09-01 05:14:37
201.4.37.0/24 78,357 2026-09-01 05:14:48
147.78.246.0/24 78,151 2026-09-01 05:14:37
185.254.72.0/24 77,506 2026-09-01 05:14:37
201.4.36.0/24 77,091 2026-09-01 05:14:48
176.119.148.0/24 76,937 2026-09-01 05:14:50
185.120.183.0/24 74,246 2026-09-01 05:14:37
103.47.186.0/24 74,032 2026-09-01 05:14:48
195.245.241.0/24 73,825 2026-09-01 05:14:50
103.121.210.0/24 72,786 2026-09-01 05:14:48
45.149.156.0/24 72,631 2026-09-01 05:14:48
45.149.157.0/24 72,285 2026-09-01 05:14:37
95.214.166.0/24 71,943 2026-09-01 05:14:48
185.200.66.0/24 70,824 2026-09-01 05:14:37
103.53.80.0/23 70,743 2026-09-01 05:14:48
92.60.43.0/24 69,872 2026-09-01 05:14:48
146.19.19.0/24 69,868 2026-09-01 05:14:48
146.19.163.0/24 69,708 2026-09-01 05:14:48
201.4.39.0/24 69,222 2026-09-01 05:14:50
194.50.154.0/24 69,001 2026-09-01 05:14:48
201.4.38.0/24 68,800 2026-09-01 05:14:50
141.98.197.0/24 68,770 2026-09-01 05:14:37
201.4.41.0/24 68,765 2026-09-01 05:14:37
201.4.40.0/24 68,427 2026-09-01 05:14:37
45.12.89.0/24 68,084 2026-09-01 05:14:37
94.124.118.0/24 67,731 2026-09-01 05:14:50
45.153.247.0/24 67,343 2026-09-01 05:14:37
185.200.64.0/24 67,234 2026-09-01 05:14:50

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: 2026-09-01 05:09:12 UTC
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