Skip to main content
Autonomous System

AS4725

SoftBank Corp.

Announced IPs
1,920,000
CIDR prefixes
126
ASN
AS4725

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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 200-300Gbps
Geographic scope Global
Traffic ratio Mostly Inbound
Peering policy Restrictive
IRR record RADB::AS-JAPAN-TELECOM RADB::AS-ODN-V6

AS4725 — global IP footprint

Cities where AS4725 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
219.66.0.0/15 131.1K
23.1%
SoftBank Corp. JP Tokyo Tokyo
1.5.0.0/16 65.5K
0.0%
SoftBank Corp. JP
39.3.0.0/16 65.5K
21.6%
SoftBank Corp. JP Chiba Funabashi
61.116.0.0/16 65.5K
42.5%
SoftBank Corp. JP Kagawa Takamatsu
61.123.0.0/16 65.5K
32.5%
SoftBank Corp. JP Fukuoka Hakozaki
61.196.0.0/16 65.5K
24.3%
SoftBank Corp. JP Saitama Kawaguchi
61.209.0.0/16 65.5K
50.6%
SoftBank Corp. JP Tokyo Nakano City
143.90.0.0/16 65.5K
38.4%
SoftBank Corp. JP Shizuoka Shizuoka
157.78.0.0/16 65.5K
0.0%
SoftBank Corp. JP
210.197.0.0/16 65.5K
27.4%
SoftBank Corp. JP Tokyo Tokyo
211.3.0.0/16 65.5K
38.7%
SoftBank Corp. JP Tokyo Tokyo
211.8.0.0/16 65.5K
14.1%
SoftBank Corp. JP Osaka Yao
211.121.0.0/16 65.5K
36.8%
SoftBank Corp. JP Toyama Toyama
211.127.0.0/16 65.5K
32.4%
SoftBank Corp. JP Tokyo Tokyo
211.131.0.0/16 65.5K
67.5%
SoftBank Corp. JP Aichi Nagoya
218.46.0.0/16 65.5K
75.0%
SoftBank Corp. JP Tokyo Setagaya City
220.212.0.0/16 65.5K
56.2%
SoftBank Corp. JP Tokyo Tokyo
39.2.128.0/17 32.8K
10.9%
SoftBank Corp. JP Hokkaido Otaru
61.123.0.0/17 32.8K
0.0%
SoftBank Corp. JP Saitama Kawaguchi
61.201.0.0/17 32.8K
44.7%
SoftBank Corp. JP Kyoto Kyoto
165.76.0.0/17 32.8K
0.0%
SoftBank Corp. JP
202.217.128.0/17 32.8K
28.0%
SoftBank Corp. JP Tokyo Komone
210.169.128.0/17 32.8K
15.2%
SoftBank Corp. JP Tokyo Setagaya City
210.175.0.0/17 32.8K
14.2%
SoftBank Corp. JP Tokyo Tokyo
210.188.0.0/17 32.8K
64.6%
SoftBank Corp. JP Aichi Nagoya
210.228.128.0/17 32.8K
24.2%
SoftBank Corp. JP Tokyo Ōi
210.231.0.0/17 32.8K
56.8%
SoftBank Corp. JP Kanagawa Sachigaoka
210.237.128.0/17 32.8K
29.9%
SoftBank Corp. JP Fukuoka Kasuga
210.252.128.0/17 32.8K
48.5%
SoftBank Corp. JP Saitama Ageo
218.218.0.0/17 32.8K
76.2%
SoftBank Corp. JP Osaka Osaka
61.123.192.0/18 16.4K
0.0%
SoftBank Corp. JP Fukuoka Hakozaki
61.201.192.0/18 16.4K
43.1%
SoftBank Corp. JP
182.159.64.0/18 16.4K
0.0%
SoftBank Corp. JP
202.33.128.0/18 16.4K
3.0%
SoftBank Corp. JP
203.139.0.0/18 16.4K
26.0%
SoftBank Corp. JP Kanagawa Kamimizo
210.146.0.0/18 16.4K
18.1%
SoftBank Corp. JP
210.151.0.0/18 16.4K
16.5%
SoftBank Corp. JP Aichi Kozawa
210.254.0.0/18 16.4K
11.7%
SoftBank Corp. JP Chiba Nagareyama
218.218.128.0/18 16.4K
17.9%
SoftBank Corp. JP Nagano Okaya Shi
61.123.160.0/19 8.2K
0.0%
SoftBank Corp. JP Fukuoka Hakozaki
61.201.160.0/19 8.2K
30.8%
SoftBank Corp. JP
182.158.64.0/19 8.2K
96.6%
SoftBank Corp. JP Tokyo Tokyo
182.158.128.0/19 8.2K
96.5%
SoftBank Corp. JP Tokyo Ebara
182.159.32.0/19 8.2K
0.0%
SoftBank Corp. JP
182.159.160.0/19 8.2K
0.0%
SoftBank Corp. JP
202.33.32.0/19 8.2K
3.1%
SoftBank Corp. JP
202.33.224.0/19 8.2K
0.7%
SoftBank Corp. JP Ibaraki Inashiki
202.174.192.0/19 8.2K
45.1%
SoftBank Corp. JP Iwate Aoyama
202.240.192.0/19 8.2K
0.8%
SoftBank Corp. JP
203.139.64.0/19 8.2K
69.9%
SoftBank Corp. JP Tokyo Tokyo
210.134.64.0/19 8.2K
12.7%
SoftBank Corp. JP
210.142.160.0/19 8.2K
5.6%
SoftBank Corp. JP
218.218.192.0/19 8.2K
92.3%
SoftBank Corp. JP
61.123.144.0/20 4.1K
0.0%
SoftBank Corp. JP Fukuoka Hakozaki
182.158.224.0/20 4.1K
42.3%
SoftBank Corp. JP Kanagawa Nishi Ku
182.159.16.0/20 4.1K
0.0%
SoftBank Corp. JP
182.159.144.0/20 4.1K
0.0%
SoftBank Corp. JP
182.159.192.0/20 4.1K
0.0%
SoftBank Corp. JP
202.33.16.0/20 4.1K
0.4%
SoftBank Corp. JP
202.33.112.0/20 4.1K
0.7%
SoftBank Corp. JP
202.126.224.0/20 4.1K
97.9%
SoftBank Corp. JP
202.227.32.0/20 4.1K
18.6%
SoftBank Corp. JP Osaka Minoh
210.156.96.0/20 4.1K
0.0%
SoftBank Corp. JP
210.174.160.0/20 4.1K
1.1%
SoftBank Corp. JP
218.40.192.0/20 4.1K
96.1%
SoftBank Corp. JP
218.216.80.0/20 4.1K
31.9%
SoftBank Corp. JP Kanagawa Fukuda
218.218.240.0/20 4.1K
26.9%
SoftBank Corp. JP
61.123.136.0/21 2.0K
0.0%
SoftBank Corp. JP Fukuoka Hakozaki
61.201.136.0/21 2.0K
61.2%
SoftBank Corp. JP Osaka Himurochō
61.201.144.0/21 2.0K
49.1%
SoftBank Corp. JP Tokyo Tokyo
202.26.200.0/21 2.0K
3.4%
SoftBank Corp. JP
202.33.8.0/21 2.0K
0.4%
SoftBank Corp. JP
202.33.72.0/21 2.0K
23.1%
SoftBank Corp. JP Chiba Narita
202.33.80.0/21 2.0K
0.0%
SoftBank Corp. JP
202.33.192.0/21 2.0K
0.0%
SoftBank Corp. JP
202.33.208.0/21 2.0K
0.0%
SoftBank Corp. JP
202.211.200.0/21 2.0K
0.6%
SoftBank Corp. JP
202.211.216.0/21 2.0K
0.2%
SoftBank Corp. JP
202.211.240.0/21 2.0K
0.4%
SoftBank Corp. JP
210.174.184.0/21 2.0K
0.2%
SoftBank Corp. JP
210.174.200.0/21 2.0K
0.7%
SoftBank Corp. JP
218.218.232.0/21 2.0K
48.7%
SoftBank Corp. JP
61.123.128.0/22 1.0K
0.0%
SoftBank Corp. JP Fukuoka Hakozaki
157.2.8.0/22 1.0K
2.2%
SoftBank Corp. JP Chiba Matsudo
202.33.68.0/22 1.0K
0.0%
SoftBank Corp. JP
202.33.88.0/22 1.0K
0.0%
SoftBank Corp. JP
202.33.96.0/22 1.0K
0.9%
SoftBank Corp. JP
202.211.128.0/22 1.0K
74.0%
SoftBank Corp. JP
202.211.156.0/22 1.0K
0.0%
SoftBank Corp. JP
202.211.192.0/22 1.0K
1.5%
SoftBank Corp. JP
202.211.212.0/22 1.0K
0.0%
SoftBank Corp. JP
202.213.4.0/22 1.0K
0.2%
SoftBank Corp. JP
202.227.48.0/22 1.0K
4.4%
SoftBank Corp. JP
202.227.56.0/22 1.0K
24.7%
SoftBank Corp. JP
202.255.48.0/22 1.0K
92.7%
SoftBank Corp. JP
210.174.148.0/22 1.0K
0.0%
SoftBank Corp. JP
210.174.176.0/22 1.0K
11.2%
SoftBank Corp. JP
210.174.196.0/22 1.0K
0.2%
SoftBank Corp. JP
210.174.208.0/22 1.0K
0.0%
SoftBank Corp. JP
61.123.134.0/23 512
0.0%
SoftBank Corp. JP Fukuoka Hakozaki

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS4725 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
1.5.0.0/16 6,134 2026-07-21 20:11:49
165.76.0.0/17 5,339 2026-07-21 20:24:01
157.2.11.0/24 5,327 2026-07-21 20:24:01
157.78.240.0/21 5,318 2026-07-21 20:24:01
157.78.192.0/19 5,296 2026-07-21 20:24:01
218.40.192.0/20 5,290 2026-07-21 20:24:01
157.78.248.0/21 5,287 2026-07-21 20:24:01
157.2.10.0/24 5,283 2026-07-21 20:24:01
157.78.0.0/17 5,280 2026-07-21 20:24:01
157.2.8.0/24 5,275 2026-07-21 20:24:01
157.78.224.0/20 5,275 2026-07-21 20:24:01
157.2.9.0/24 5,265 2026-07-21 20:24:01
157.2.126.0/24 5,263 2026-07-21 20:24:01
157.78.128.0/18 5,254 2026-07-21 20:24:01
182.158.128.0/19 5,251 2026-07-21 20:24:01
182.159.64.0/18 5,238 2026-07-21 20:24:01
143.90.0.0/16 5,231 2026-07-21 20:24:01
182.159.192.0/20 5,226 2026-07-21 20:24:01
182.159.160.0/19 5,225 2026-07-21 20:24:01
218.46.0.0/16 5,221 2026-07-21 20:24:01
182.158.64.0/19 5,216 2026-07-21 20:24:01
182.159.144.0/20 5,212 2026-07-21 20:24:01
182.159.16.0/20 5,199 2026-07-21 20:24:01
150.3.96.0/24 5,192 2026-07-21 20:24:01
182.159.32.0/19 5,189 2026-07-21 20:24:01
182.158.224.0/20 5,187 2026-07-21 20:24:01
198.36.75.0/24 5,175 2026-07-21 20:24:01
202.213.4.0/22 5,103 2026-07-21 20:24:01
202.48.213.0/24 5,100 2026-07-21 20:24:01
202.48.217.0/24 5,094 2026-07-21 20:24:01
202.19.20.0/24 5,092 2026-07-21 20:24:01
202.33.0.0/16 5,089 2026-07-21 20:24:01
210.169.128.0/17 5,077 2026-07-21 20:24:01
202.234.146.0/24 5,067 2026-07-21 20:24:01
211.131.0.0/16 5,065 2026-07-21 20:24:01
202.234.131.0/24 5,063 2026-07-21 20:24:01
210.174.184.0/21 5,058 2026-07-21 20:24:01
202.179.207.0/24 5,057 2026-07-21 20:24:01
61.196.0.0/16 5,054 2026-07-21 20:16:59
202.19.21.0/24 5,052 2026-07-21 20:24:01
202.48.214.0/24 5,052 2026-07-21 20:24:01
202.230.59.0/24 5,051 2026-07-21 20:24:01
210.228.128.0/17 5,050 2026-07-21 20:24:01
202.255.48.0/22 5,050 2026-07-21 20:24:01
202.33.134.0/24 5,047 2026-07-21 20:24:01
210.197.0.0/16 5,047 2026-07-21 20:24:01
202.174.192.0/19 5,043 2026-07-21 20:24:01
210.175.0.0/17 5,040 2026-07-21 20:24:01
211.121.0.0/16 5,040 2026-07-21 20:24:01
202.217.128.0/17 5,039 2026-07-21 20:24:01

Showing top 50 of 138 announced prefixes by sample volume.

Frequently Asked Questions

What is AS4725?

AS4725 is an Autonomous System Number assigned to SoftBank Corp.. 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 AS4725 announce?

AS4725 announces 1.92M IPv4 addresses distributed across 126 routed CIDR prefixes. The network is registered in Japan.

Who operates AS4725?

AS4725 is operated by SoftBank Corp.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS4725 registered in?

AS4725 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-21 20:40:31 UTC
Share