xTom Japan Corporation

Data as of 2026-09-05
BGP inherited
This organisation
Netblocks158 · 34,816 IPv4 addresses
IPv6 28 prefixes (largest 2a12:a300::/29)
Registered in Germany (99) · Japan (13) · United States (10) · United Arab Emirates (8) · Singapore (4) · Netherlands (3)
Also registered under this name 170 netblocks across 3 separate records
Record ID231520551
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 19 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (158)

⬇ export CSV
CIDR Org name Registry Status Confidence
36.50.84.0/23 xTom Japan Corporation BGP ANNOUNCED ● high
43.239.249.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.8.112.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.8.113.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.8.114.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.8.222.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.11.46.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.12.89.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.14.64.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.14.65.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.14.66.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.14.67.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.14.70.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.66.130.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.66.216.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.66.217.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.66.218.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.89.232.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.89.234.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.89.235.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.92.159.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.94.40.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.128.208.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.128.209.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.128.210.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.128.211.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.129.8.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.129.9.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.129.10.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.129.11.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.142.125.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.142.126.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.142.127.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.142.166.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.142.167.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.143.131.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.143.232.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.143.233.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.143.234.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.143.235.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.149.156.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.149.157.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.149.158.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.149.159.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.153.244.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.153.245.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.153.246.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.153.247.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.159.48.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.159.49.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.159.50.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
45.159.51.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
62.106.70.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
85.113.70.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
88.214.22.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
91.199.209.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
91.200.240.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
91.200.242.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
91.200.243.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
92.60.43.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
94.124.116.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
94.124.117.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
94.124.118.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
95.214.166.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
95.214.167.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.19.1.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.47.186.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.53.80.0/23 xTom Japan Corporation BGP ANNOUNCED ● high
103.121.208.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.121.209.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.121.210.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.121.211.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.125.234.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.125.235.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.150.8.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.155.232.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.155.233.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.193.129.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.193.130.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.201.128.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.201.130.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
103.201.131.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
109.107.137.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
109.107.140.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
141.98.196.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
141.98.197.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
141.98.198.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
146.19.19.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
146.19.163.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
147.78.242.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
147.78.243.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
147.78.244.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
147.78.245.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
147.78.246.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
147.78.247.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
149.62.44.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
167.253.156.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
172.93.220.0/23 xTom Japan Corporation BGP ANNOUNCED ● high
176.119.148.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
176.119.149.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
176.119.151.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
176.126.114.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.120.183.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.184.223.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.200.64.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.200.65.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.200.66.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.200.67.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.213.150.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.213.151.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
185.254.72.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
192.109.233.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
193.17.91.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
193.32.148.0/22 xTom Japan Corporation BGP ANNOUNCED ● high
193.111.30.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
193.111.31.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
194.50.154.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
195.245.241.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
195.245.242.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
201.4.36.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
201.4.37.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
201.4.38.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
201.4.39.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
201.4.40.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
201.4.41.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
201.4.42.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
201.4.43.0/24 xTom Japan Corporation BGP ANNOUNCED ● high
2403:71c0::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2403:71c0:1000::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2403:71c0:2000::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2403:71c0:3000::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2403:71c0:8000::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2403:fbc0::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2403:fbc0:2000::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2403:fbc0:4000::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a09:7::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a09:7:1::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a0d:c7c1::/32 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a300::/32 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a301::/32 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a302::/32 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a303:1::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a303:100::/40 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a303:100::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a303:101::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a303:102::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a303:11a::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a303:11e::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a304::/32 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a305::/32 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a306::/32 xTom Japan Corporation BGP ANNOUNCED ● high
2a12:a307::/32 xTom Japan Corporation BGP ANNOUNCED ● high
2a14:640:1::/48 xTom Japan Corporation BGP ANNOUNCED ● high
2a14:1f80::/29 xTom Japan Corporation BGP ANNOUNCED ● high
45.11.44.0/24 xTom Japan Corporation RIPE ASSIGNED PA ● low
45.11.47.0/24 xTom Japan Corporation RIPE ASSIGNED PA ● low
91.243.68.0/24 xTom Japan Corporation RIPE ALLOCATED PA ● low
2a12:a300::/29 xTom Japan Corporation RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (28)

showing the 15 largest allocations
CIDR
2a12:a300::/29
2a14:1f80::/29
2a0d:c7c1::/32
2a12:a300::/32
2a12:a301::/32
2a12:a302::/32
2a12:a304::/32
2a12:a305::/32
2a12:a306::/32
2a12:a307::/32
2a12:a303:100::/40
2403:71c0:1000::/48
2403:71c0:2000::/48
2403:71c0:3000::/48
2403:71c0:8000::/48

Footprint over time

10 weekly snapshots · JSON
168 +4 netblocks since 2026-07-05
2026-07-05 peak 168 2026-08-30

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (168 of 168)
Possible discrepancies (1)

These blocks are registered to xTom Japan Corporation but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

172.93.220.0/23 /23 authorized for AS23959 — Owl Limited

NIC Handles

AS215871 AS3258 DUMY-RIPE DUMY-RIPE MAINT-CAT-JP MAINT-HOSTSYMBOL2-SG MAINT-M365GROUPLLC-AP MAINT-OWL-VU MAINT-VH-AP MAINT-XTOM-HK MAINT-XTOMGMBH-AP ORG-XJCL1-RIPE +7 more