AS2510 FUJITSU LIMITED

INFOWEB - FUJITSU LIMITED · registered in Japan

IPv4 addresses1,509,376228 prefixes · 0.048% of announced IPv4

Rank in Japan#16largest network in JP by IPv4 space, of 724 · 0.94% of JP

Rank worldwide#263of 79,396 networks with IPv4

IPv665,529 x /4830 prefixes

CountryJapan745 ASNs registered there

Open AS2510 in ASN lookup Look up an IP in this network (58.1.0.1) All networks in Japan

IPv4 prefixes

All 228 prefixes, in address order.

58.1.0.0/17
61.121.64.0/23
61.121.67.0/24
61.121.68.0/22
61.121.72.0/21
61.121.84.0/22
61.121.88.0/21
61.121.96.0/23
61.121.100.0/22
61.121.104.0/21
61.121.112.0/21
61.121.120.0/22
61.124.64.0/18
61.124.128.0/17
61.210.0.0/18
61.210.128.0/19
61.210.168.0/21
61.210.176.0/20
61.210.192.0/18
111.64.64.0/20
111.64.80.0/21
111.64.96.0/19
111.64.128.0/17
111.171.128.0/22
111.171.135.0/24
111.171.136.0/21
111.171.144.0/20
111.171.160.0/19
111.171.224.0/19
115.176.128.0/18
115.177.192.0/19
115.177.224.0/21
115.177.232.0/23
115.177.238.0/23
115.177.240.0/20
116.83.128.0/19
116.83.161.0/24
116.83.165.0/24
116.83.166.0/23
116.83.168.0/21
116.83.176.0/21
116.83.192.0/18
121.93.192.0/18
121.94.64.0/21
121.94.72.0/22
121.94.76.0/23
121.94.78.0/24
121.94.83.0/24
121.94.84.0/22
121.94.88.0/21
121.94.96.0/19
121.94.128.0/19
121.94.160.0/21
121.94.168.0/23
121.94.170.0/24
121.94.175.0/24
121.94.176.0/20
121.94.192.0/20
121.94.208.0/22
121.94.212.0/24
121.94.215.0/24
121.94.216.0/21
121.94.224.0/19
121.95.64.0/19
121.95.96.0/22
121.95.102.0/23
121.95.104.0/21
121.95.112.0/20
122.253.0.0/16
124.24.0.0/19
124.24.64.0/18
124.24.128.0/18
124.25.64.0/22
124.25.68.0/24
124.25.73.0/24
124.25.74.0/23
124.25.76.0/22
124.25.80.0/20
124.25.96.0/19
125.0.64.0/19
125.0.96.0/20
125.0.112.0/21
125.0.120.0/22
125.0.124.0/23
125.0.130.0/23
125.0.132.0/22
125.0.136.0/21
125.0.148.0/22
125.0.152.0/21
125.0.160.0/19
125.0.192.0/19
125.0.224.0/20
125.0.240.0/22
125.0.248.0/21
125.1.0.0/19
125.1.32.0/20
125.1.48.0/22
125.1.56.0/21
125.1.64.0/21
125.1.72.0/22
125.1.76.0/24
125.1.81.0/24
125.1.82.0/23
125.1.84.0/22
125.1.88.0/21
125.1.96.0/19
125.1.192.0/20
125.1.208.0/21
125.1.216.0/22
125.1.220.0/23
125.1.226.0/23
125.1.228.0/22
125.1.232.0/21
125.1.240.0/20
125.3.0.0/18
125.3.128.0/18
133.162.0.0/18
133.162.88.0/21
133.162.96.0/19
133.162.128.0/21
133.162.136.0/22
133.162.142.0/23
133.162.144.0/20
133.162.176.0/21
133.162.184.0/22
133.162.189.0/24
133.162.190.0/23
133.162.192.0/19
133.162.228.0/22
133.162.232.0/22
133.162.237.0/24
133.162.238.0/23
133.162.240.0/20
133.163.0.0/16
163.59.0.0/16
164.69.0.0/16
164.70.24.0/21
164.70.32.0/19
164.71.0.0/16
175.179.0.0/18
175.179.128.0/17
175.184.0.0/20
175.184.48.0/20
175.184.64.0/19
175.184.96.0/20
175.184.112.0/21
175.184.123.0/24
175.184.124.0/22
192.51.43.0/24
202.208.32.0/19
202.216.192.0/20
202.216.208.0/21
202.219.0.0/19
202.219.32.0/20
202.219.48.0/21
202.219.56.0/22
202.219.60.0/23
202.219.62.0/24
202.219.64.0/18
202.219.128.0/17
202.233.192.0/18
202.237.114.0/24
202.248.0.0/19
202.248.32.0/22
202.248.36.0/24
202.248.38.0/23
202.248.40.0/21
202.248.48.0/20
202.248.64.0/20
202.248.80.0/21
202.248.88.0/24
202.248.90.0/23
202.248.92.0/22
202.248.96.0/19
202.248.128.0/21
202.248.136.0/22
202.248.140.0/24
202.248.142.0/23
202.248.144.0/20
202.248.160.0/21
202.248.168.0/22
202.248.172.0/23
202.248.174.0/24
202.248.176.0/20
202.248.192.0/19
202.248.224.0/21
202.248.232.0/22
202.248.236.0/23
202.248.240.0/20
210.131.0.0/22
210.131.6.0/23
210.131.8.0/21
210.131.20.0/22
210.131.24.0/21
210.131.32.0/19
210.131.64.0/18
210.157.64.0/21
210.157.72.0/22
210.157.76.0/23
211.125.0.0/18
211.128.192.0/18
211.133.0.0/18
218.217.128.0/17
218.229.128.0/17
219.97.0.0/18
219.97.128.0/17
219.116.0.0/17
220.145.192.0/18
220.209.0.0/19
220.209.52.0/22
220.209.56.0/21
220.209.64.0/21
220.209.75.0/24
220.209.76.0/22
220.209.80.0/20
220.209.96.0/19
220.209.128.0/17
222.158.0.0/18
222.158.128.0/18
222.158.192.0/22
222.158.200.0/22
222.158.204.0/24
222.158.222.0/23
222.158.224.0/21
222.158.232.0/22
222.158.240.0/22
222.158.246.0/23
222.158.248.0/21

IPv6 prefixes

All 30 prefixes.

2001:258::/33
2001:258:8000::/38
2001:258:8400::/39
2001:258:8601::/48
2001:258:8602::/47
2001:258:8604::/46
2001:258:860a::/47
2001:258:860c::/46
2001:258:8610::/47
2001:258:8612::/48
2001:258:8614::/48
2001:258:8616::/47
2001:258:8618::/45
2001:258:8620::/43
2001:258:8640::/42
2001:258:8680::/41
2001:258:8700::/40
2001:258:8802::/47
2001:258:8804::/46
2001:258:8808::/45
2001:258:8810::/44
2001:258:8820::/43
2001:258:8840::/42
2001:258:8880::/41
2001:258:8900::/40
2001:258:8a00::/39
2001:258:8c00::/38
2001:258:9000::/36
2001:258:a000::/35
2001:258:c000::/34

Other ASNs named FUJITSU LIMITED

4 other networks use the same organisation name; together with AS2510 they announce 1,632,512 IPv4 addresses.

ASNNameIPv4 addresses

AS55374FJcloud-East - FUJITSU LIMITED JP57,088

AS58793NIFCLOUD-NET - FUJITSU LIMITED JP33,024

AS55386FJcloud-West - FUJITSU LIMITED JP24,832

AS23817KOCHI-IDC - Fujitsu Limited. JP8,192

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS10013#13 FBDC - FreeBit Co.,Ltd.1,944,064

AS4725#14 ODN - SoftBank Corp.1,918,976

AS9595#15 XEPHION - NTT-ME Corporation1,513,472

AS18126#17 CTCX - Chubu Telecommunications Company, Inc.1,505,536

AS10010#18 TOKAI - TOKAI Communications Corporation1,497,088

AS2519#19 VECTANT - ARTERIA Networks Corporation1,464,320

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources