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Autonomous System

AS3258

xTom Japan Corporation

Announced IPs
36,096
CIDR prefixes
82
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 v1.2.1 — 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 2 networks. 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
99.6%
xTom Japan Corporation DE — —
45.128.208.0/22 1.0K
50.9%
xTom Japan Corporation DE — —
45.129.8.0/22 1.0K
51.7%
xTom Japan Corporation DE — —
45.143.232.0/22 1.0K
71.5%
xTom Japan Corporation DE — —
45.149.156.0/22 1.0K
0.3%
xTom Japan Corporation DE — —
45.153.244.0/22 1.0K
2.4%
xTom Japan Corporation DE — —
45.159.48.0/22 1.0K
0.4%
xTom Japan Corporation DE — —
103.121.208.0/22 1.0K
99.3%
xTom Japan Corporation US — —
147.78.244.0/22 1.0K
0.0%
xTom Japan Corporation DE — —
185.200.64.0/22 1.0K
49.3%
xTom Japan Corporation DE — —
193.32.148.0/22 1.0K
97.5%
xTom Japan Corporation DE — —
201.4.36.0/22 1.0K
0.0%
xTom Japan Corporation AE — —
201.4.40.0/22 1.0K
0.0%
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 — —
45.66.130.0/23 512
18.6%
xTom Japan Corporation DE — —
45.66.216.0/23 512
0.6%
xTom Japan Corporation DE — —
45.89.234.0/23 512
47.9%
xTom Japan Corporation DE — —
45.134.170.0/23 512
0.6%
xTom Japan Corporation DE — —
45.142.126.0/23 512
99.4%
xTom Japan Corporation DE — —
45.142.166.0/23 512
0.4%
xTom Japan Corporation NL — —
91.200.242.0/23 512
51.8%
xTom Japan Corporation DE — —
95.214.166.0/23 512
0.0%
xTom Japan Corporation DE — —
103.53.80.0/23 512
1.2%
xTom Japan Corporation SG — —
103.125.234.0/23 512
0.0%
xTom Japan Corporation VU — —
103.155.232.0/23 512
100.0%
xTom Japan Corporation DE — —
103.201.130.0/23 512
97.3%
xTom Japan Corporation JP Tokyo Tokyo
141.98.196.0/23 512
1.4%
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
2.3%
xTom Japan Corporation DE — —
5.253.17.0/24 256
1.2%
xTom Japan Corporation DE — —
43.239.249.0/24 256
5.5%
xTom Japan Corporation US — —
45.8.114.0/24 256
1.6%
xTom Japan Corporation DE — —
45.8.222.0/24 256
99.6%
xTom Japan Corporation DE — —
45.11.44.0/24 256
2.0%
xTom Japan Corporation DE — —
45.11.46.0/24 256
99.6%
xTom Japan Corporation DE — —
45.12.89.0/24 256
1.6%
xTom Japan Corporation SG — —
45.66.129.0/24 256
4.3%
xTom Japan Corporation DE — —
45.66.218.0/24 256
2.0%
xTom Japan Corporation DE — —
45.89.232.0/24 256
1.6%
xTom Japan Corporation DE — —
45.92.159.0/24 256
2.7%
xTom Japan Corporation DE — —
45.94.40.0/24 256
39.5%
xTom Japan Corporation DE — —
45.142.125.0/24 256
99.6%
xTom Japan Corporation DE — —
45.143.131.0/24 256
5.1%
xTom Japan Corporation DE — —
62.106.70.0/24 256
2.3%
xTom Japan Corporation DE — —
62.106.75.0/24 256
0.0%
xTom Japan Corporation DE — —
79.110.232.0/24 256
0.0%
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
1.6%
xTom Japan Corporation US — —
91.200.240.0/24 256
0.0%
xTom Japan Corporation DE — —
92.60.43.0/24 256
99.6%
xTom Japan Corporation DE — —
94.124.117.0/24 256
0.0%
xTom Japan Corporation DE — —
94.124.118.0/24 256
0.0%
xTom Japan Corporation DE — —
103.19.1.0/24 256
99.6%
xTom Japan Corporation JP Tokyo Tokyo
103.47.186.0/24 256
1.2%
xTom Japan Corporation SG — —
103.150.8.0/24 256
1.6%
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
99.2%
xTom Japan Corporation JP Tokyo Tokyo
109.107.137.0/24 256
2.7%
xTom Japan Corporation DE — —
109.107.140.0/24 256
2.3%
xTom Japan Corporation DE — —
109.121.61.0/24 256
38.3%
xTom Japan Corporation RS — —
109.121.62.0/24 256
48.0%
xTom Japan Corporation RS — —
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
149.62.44.0/24 256
97.7%
xTom Japan Corporation DE — —
167.253.156.0/24 256
5.9%
xTom Japan Corporation US — —
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
96.9%
xTom Japan Corporation DE — —
195.245.242.0/24 256
95.3%
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
103.155.232.0/24 152,713 2026-10-17 16:23:44
103.125.235.0/24 145,416 2026-10-17 16:23:44
91.200.240.0/24 133,725 2026-10-17 16:16:42
195.245.242.0/24 133,052 2026-10-17 16:24:14
45.8.222.0/24 126,927 2026-10-17 16:23:44
45.128.208.0/24 125,081 2026-10-17 16:23:44
103.125.234.0/24 121,133 2026-10-17 16:23:44
103.155.233.0/24 120,214 2026-10-17 16:23:44
103.201.130.0/24 116,408 2026-10-17 16:24:14
103.201.131.0/24 115,575 2026-10-17 16:24:14
185.200.65.0/24 114,657 2026-10-17 16:24:14
45.128.210.0/24 113,481 2026-10-17 16:23:44
91.200.243.0/24 112,032 2026-10-17 16:23:44
147.78.245.0/24 110,232 2026-10-17 16:24:14
176.119.148.0/24 109,715 2026-10-17 16:24:14
172.93.220.0/23 108,790 2026-10-17 16:24:14
45.128.211.0/24 108,346 2026-10-17 16:23:44
201.4.37.0/24 108,008 2026-10-17 16:24:15
147.78.246.0/24 107,660 2026-10-17 16:24:14
185.254.72.0/24 107,636 2026-10-17 16:24:14
103.201.128.0/24 107,555 2026-10-17 16:24:14
201.4.36.0/24 106,746 2026-10-17 16:24:15
185.120.183.0/24 104,032 2026-10-17 16:24:14
195.245.241.0/24 102,977 2026-10-17 16:24:14
103.47.186.0/24 102,094 2026-10-17 16:23:44
103.121.210.0/24 101,262 2026-10-17 16:23:44
185.200.66.0/24 100,564 2026-10-17 16:24:14
45.12.89.0/24 99,214 2026-10-17 16:23:44
146.19.163.0/24 98,988 2026-10-17 16:24:15
201.4.39.0/24 98,930 2026-10-17 16:24:14
146.19.19.0/24 98,897 2026-10-17 16:24:15
201.4.38.0/24 98,573 2026-10-17 16:24:14
103.53.80.0/23 98,497 2026-10-17 16:23:44
201.4.41.0/24 98,348 2026-10-17 16:24:14
45.149.157.0/24 98,252 2026-10-17 16:23:44
201.4.40.0/24 97,985 2026-10-17 16:24:14
185.200.64.0/24 97,080 2026-10-17 16:24:14
95.214.167.0/24 96,937 2026-10-17 16:07:58
193.32.148.0/22 95,130 2026-10-17 16:24:14
94.124.118.0/24 95,002 2026-10-17 16:23:44
45.149.156.0/24 94,978 2026-10-17 16:23:44
192.109.233.0/24 94,792 2026-10-17 16:24:14
185.200.67.0/24 94,781 2026-10-17 16:24:14
201.4.43.0/24 94,729 2026-10-17 16:24:14
201.4.42.0/24 94,574 2026-10-17 16:24:14
45.153.247.0/24 94,441 2026-10-17 16:23:44
185.213.150.0/24 93,583 2026-10-17 16:24:14
185.213.151.0/24 93,055 2026-10-17 16:24:14
176.126.114.0/24 91,862 2026-10-17 16:24:14
85.113.70.0/24 91,745 2026-10-17 16:03:38

Showing top 50 of 142 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 36.1K IPv4 addresses distributed across 82 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: 2026-10-17 16:24:05 UTC
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