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Autonomous System

AS2510

FUJITSU LIMITED

Announced IPs
1,485,312
CIDR prefixes
236
ASN
AS2510

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.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Geographic scope Regional
Traffic ratio Balanced
Peering policy Selective
IRR record AS-INFOWEB

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
122.253.0.0/16 65.5K
0.0%
Fujitsu Limited. JP — —
133.163.0.0/16 65.5K
30.4%
Fujitsu Limited. JP Tokyo Taitō City
163.59.0.0/16 65.5K
0.0%
Fujitsu Limited. JP — —
164.69.0.0/16 65.5K
0.0%
Fujitsu Limited. JP — —
164.71.0.0/16 65.5K
0.0%
Fujitsu Limited. JP — —
58.1.0.0/17 32.8K
46.7%
Fujitsu Limited. JP — —
61.124.128.0/17 32.8K
98.8%
Fujitsu Limited. JP — —
111.64.128.0/17 32.8K
100.0%
Fujitsu Limited. JP — —
175.179.128.0/17 32.8K
72.8%
Fujitsu Limited. JP Saitama Koshigaya
202.219.128.0/17 32.8K
62.3%
Fujitsu Limited. JP Tokyo Shimohōya
218.217.128.0/17 32.8K
86.2%
Fujitsu Limited. JP Tokyo Koishikawa
218.229.128.0/17 32.8K
95.3%
Fujitsu Limited. JP — —
219.97.128.0/17 32.8K
80.7%
Fujitsu Limited. JP — —
219.116.0.0/17 32.8K
90.5%
Fujitsu Limited. JP — —
220.209.128.0/17 32.8K
86.8%
Fujitsu Limited. JP — —
61.124.64.0/18 16.4K
97.3%
Fujitsu Limited. JP — —
61.210.0.0/18 16.4K
99.6%
Fujitsu Limited. JP — —
61.210.192.0/18 16.4K
99.4%
Fujitsu Limited. JP Kanagawa Chōjamachi
115.176.128.0/18 16.4K
58.8%
Fujitsu Limited. JP — —
116.83.192.0/18 16.4K
93.7%
Fujitsu Limited. JP — —
121.93.192.0/18 16.4K
98.5%
Fujitsu Limited. JP Aichi Meieki
124.24.64.0/18 16.4K
0.1%
Fujitsu Limited. JP — —
124.24.128.0/18 16.4K
0.1%
Fujitsu Limited. JP — —
125.3.0.0/18 16.4K
58.0%
Fujitsu Limited. JP — —
125.3.128.0/18 16.4K
31.5%
Fujitsu Limited. JP — —
133.162.0.0/18 16.4K
0.0%
Fujitsu Limited. JP — —
175.179.0.0/18 16.4K
68.8%
Fujitsu Limited. JP — —
202.219.64.0/18 16.4K
12.3%
Fujitsu Limited. JP Tokyo Machida
202.233.192.0/18 16.4K
84.4%
Fujitsu Limited. JP — —
210.131.64.0/18 16.4K
74.9%
Fujitsu Limited. JP — —
211.125.0.0/18 16.4K
69.5%
Fujitsu Limited. JP — —
211.128.192.0/18 16.4K
65.2%
Fujitsu Limited. JP — —
211.133.0.0/18 16.4K
84.5%
Fujitsu Limited. JP — —
219.97.0.0/18 16.4K
92.0%
Fujitsu Limited. JP — —
220.145.192.0/18 16.4K
84.4%
Fujitsu Limited. JP — —
222.158.0.0/18 16.4K
79.7%
Fujitsu Limited. JP — —
222.158.128.0/18 16.4K
40.9%
Fujitsu Limited. JP Tokyo Komone
61.210.128.0/19 8.2K
99.5%
Fujitsu Limited. JP — —
111.64.96.0/19 8.2K
96.9%
Fujitsu Limited. JP — —
111.171.160.0/19 8.2K
99.9%
Fujitsu Limited. JP — —
111.171.224.0/19 8.2K
74.9%
Fujitsu Limited. JP — —
115.177.192.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
116.83.128.0/19 8.2K
99.9%
Fujitsu Limited. JP — —
121.94.96.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
121.94.128.0/19 8.2K
90.6%
Fujitsu Limited. JP — —
121.94.224.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
121.95.64.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
124.24.0.0/19 8.2K
0.2%
Fujitsu Limited. JP — —
124.25.96.0/19 8.2K
71.9%
Fujitsu Limited. JP — —
125.0.64.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
125.0.160.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
125.0.192.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
125.1.0.0/19 8.2K
0.0%
Fujitsu Limited. JP — —
125.1.96.0/19 8.2K
96.9%
Fujitsu Limited. JP — —
133.162.96.0/19 8.2K
0.0%
Fujitsu Limited. JP — —
133.162.192.0/19 8.2K
0.0%
Fujitsu Limited. JP — —
164.70.32.0/19 8.2K
0.0%
Fujitsu Limited. JP — —
175.184.64.0/19 8.2K
99.9%
Fujitsu Limited. JP — —
202.208.32.0/19 8.2K
81.4%
Fujitsu Limited. JP — —
202.219.0.0/19 8.2K
60.0%
Fujitsu Limited. JP — —
202.248.0.0/19 8.2K
15.1%
Fujitsu Limited. JP — —
202.248.96.0/19 8.2K
16.9%
Fujitsu Limited. JP — —
202.248.192.0/19 8.2K
25.1%
Fujitsu Limited. JP — —
210.131.32.0/19 8.2K
79.3%
Fujitsu Limited. JP — —
220.209.0.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
220.209.96.0/19 8.2K
100.0%
Fujitsu Limited. JP — —
61.210.176.0/20 4.1K
99.8%
Fujitsu Limited. JP — —
111.64.64.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
111.171.144.0/20 4.1K
99.7%
Fujitsu Limited. JP — —
115.177.240.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
121.94.176.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
121.94.192.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
121.95.112.0/20 4.1K
99.9%
Fujitsu Limited. JP — —
124.25.80.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
125.0.96.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
125.0.224.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
125.1.32.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
125.1.192.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
125.1.240.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
133.162.144.0/20 4.1K
0.0%
Fujitsu Limited. JP — —
133.162.240.0/20 4.1K
0.0%
Fujitsu Limited. JP — —
175.184.0.0/20 4.1K
99.9%
Fujitsu Limited. JP — —
175.184.48.0/20 4.1K
99.9%
Fujitsu Limited. JP — —
175.184.96.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
202.216.192.0/20 4.1K
7.3%
Fujitsu Limited. JP — —
202.219.32.0/20 4.1K
18.9%
Fujitsu Limited. JP — —
202.248.48.0/20 4.1K
28.4%
Fujitsu Limited. JP — —
202.248.64.0/20 4.1K
21.7%
Fujitsu Limited. JP — —
202.248.144.0/20 4.1K
16.3%
Fujitsu Limited. JP — —
202.248.176.0/20 4.1K
13.5%
Fujitsu Limited. JP Osaka Shimizu
202.248.240.0/20 4.1K
25.3%
Fujitsu Limited. JP — —
220.209.80.0/20 4.1K
100.0%
Fujitsu Limited. JP — —
61.121.72.0/21 2.0K
99.3%
Fujitsu Limited. JP — —
61.121.88.0/21 2.0K
83.9%
Fujitsu Limited. JP — —
61.121.104.0/21 2.0K
4.9%
Fujitsu Limited. JP — —
61.121.112.0/21 2.0K
0.8%
Fujitsu Limited. JP — —
61.210.168.0/21 2.0K
99.3%
Fujitsu Limited. JP — —
111.64.80.0/21 2.0K
100.0%
Fujitsu Limited. JP — —
111.171.136.0/21 2.0K
93.7%
Fujitsu Limited. JP — —
115.177.224.0/21 2.0K
100.0%
Fujitsu Limited. JP — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS2510 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
61.124.64.0/18 13,319 2026-11-13 18:03:56
125.3.0.0/18 12,871 2026-11-13 18:03:56
61.121.64.0/18 12,864 2026-11-13 18:03:56
111.64.128.0/17 12,834 2026-11-13 18:03:56
61.210.128.0/17 12,827 2026-11-13 18:03:56
61.210.0.0/18 12,813 2026-11-13 18:03:56
125.0.64.0/18 12,812 2026-11-13 18:03:56
61.124.128.0/17 12,798 2026-11-13 18:03:56
133.163.0.0/16 12,783 2026-11-13 18:03:56
175.179.0.0/18 12,775 2026-11-13 18:03:56
58.1.0.0/17 12,774 2026-11-13 18:03:56
111.64.64.0/18 12,723 2026-11-13 18:03:56
125.1.0.0/17 12,701 2026-11-13 18:03:56
115.177.192.0/18 12,696 2026-11-13 18:03:56
116.83.128.0/17 12,629 2026-11-13 18:03:56
121.95.64.0/18 12,620 2026-11-13 18:03:56
111.171.128.0/17 12,620 2026-11-13 18:03:56
115.176.128.0/18 12,613 2026-11-13 18:03:56
211.125.0.0/18 12,582 2026-11-13 18:03:56
192.51.43.0/24 12,562 2026-11-13 18:03:56
175.184.0.0/17 12,556 2026-11-13 18:03:56
121.94.64.0/18 12,555 2026-11-13 18:03:56
133.162.0.0/16 12,547 2026-11-13 18:03:56
122.253.0.0/16 12,535 2026-11-13 18:03:56
124.24.0.0/17 12,530 2026-11-13 18:03:56
124.24.128.0/18 12,526 2026-11-13 18:03:56
125.0.128.0/17 12,511 2026-11-13 18:03:56
125.1.192.0/18 12,506 2026-11-13 18:03:56
121.93.192.0/18 12,464 2026-11-13 18:03:56
164.69.0.0/16 12,460 2026-11-13 18:03:56
163.59.0.0/16 12,451 2026-11-13 18:03:56
164.70.0.0/18 12,424 2026-11-13 18:03:56
164.71.0.0/16 12,420 2026-11-13 18:03:56
125.3.128.0/18 12,399 2026-11-13 18:03:56
121.94.128.0/17 12,393 2026-11-13 18:03:56
124.25.64.0/18 12,390 2026-11-13 18:03:56
175.179.128.0/17 12,354 2026-11-13 18:03:56
202.216.208.0/21 12,301 2026-11-13 18:03:56
210.157.76.0/23 12,295 2026-11-13 18:03:56
202.233.192.0/18 12,256 2026-11-13 18:03:56
211.133.0.0/18 12,254 2026-11-13 18:03:56
219.116.64.0/18 12,120 2026-11-13 18:03:56
219.97.128.0/17 12,085 2026-11-13 18:03:56
202.208.32.0/19 12,023 2026-11-13 18:03:56
202.248.0.0/16 12,020 2026-11-13 18:03:56
202.216.192.0/20 11,972 2026-11-13 18:03:56
220.209.0.0/16 11,951 2026-11-13 18:03:56
210.157.72.0/22 11,940 2026-11-13 18:03:56
210.157.64.0/21 11,931 2026-11-13 18:03:56
202.237.114.0/24 11,896 2026-11-13 18:03:56

Showing top 50 of 61 announced prefixes by sample volume.

Frequently Asked Questions

What is AS2510?

AS2510 is an Autonomous System Number assigned to FUJITSU LIMITED. 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 AS2510 announce?

AS2510 announces 1.49M IPv4 addresses distributed across 236 routed CIDR prefixes. The network is registered in Japan.

Who operates AS2510?

AS2510 is operated by Fujitsu Limited.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS2510 registered in?

AS2510 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 18:39:05 UTC
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