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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 v1.2.0 — 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 Kanagawa Kawasaki
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 Tokyo Nerima City
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 Kanagawa Yokohama
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 Tokyo Sekimachikita
211.121.0.0/16 65.5K
36.8%
SoftBank Corp. JP Aichi Kitanagoya
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 Wakabayashi
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
61.201.0.0/17 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 Aomori Hachinohe
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 Saitama Harigaya
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 Kyoto Kyoto
218.218.0.0/17 32.8K
76.2%
SoftBank Corp. JP Osaka Osaka
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
61.201.160.0/19 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
182.158.224.0/20 4.1K
42.3%
SoftBank Corp. JP Tokyo Setagaya City
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
61.201.136.0/21 2.0K
61.2%
SoftBank Corp. JP Osaka Himurochō
61.201.144.0/21 2.0K
49.1%
SoftBank Corp. JP Tokyo Funabashi
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
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
202.19.20.0/23 512
12.3%
SoftBank Corp. JP
202.33.100.0/23 512
3.9%
SoftBank Corp. JP
202.48.210.0/23 512
0.6%
SoftBank Corp. JP
202.48.212.0/23 512
0.0%
SoftBank Corp. JP
202.48.216.0/23 512
1.2%
SoftBank Corp. JP
202.242.240.0/23 512
0.8%
SoftBank Corp. JP
203.183.154.0/23 512
0.0%
SoftBank Corp. JP

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 11,721 2026-09-08 05:56:46
157.2.10.0/24 9,543 2026-09-08 06:15:15
157.2.126.0/24 9,437 2026-09-08 06:15:15
165.76.0.0/17 8,857 2026-09-08 06:15:15
218.40.192.0/20 8,846 2026-09-08 05:56:30
157.2.11.0/24 8,841 2026-09-08 06:15:15
218.46.0.0/16 8,802 2026-09-08 05:56:27
202.213.4.0/22 8,801 2026-09-08 05:56:19
157.78.224.0/20 8,780 2026-09-08 06:15:15
198.36.75.0/24 8,736 2026-09-08 05:56:51
39.2.128.0/17 8,722 2026-09-08 05:57:24
210.175.0.0/17 8,714 2026-09-08 05:56:19
157.78.240.0/21 8,713 2026-09-08 06:15:15
39.3.0.0/16 8,713 2026-09-08 05:57:54
61.196.0.0/16 8,710 2026-09-08 06:11:51
157.78.192.0/19 8,706 2026-09-08 06:15:15
157.2.8.0/24 8,696 2026-09-08 06:15:15
210.228.128.0/17 8,693 2026-09-08 05:56:20
61.201.192.0/18 8,691 2026-09-08 06:11:51
157.2.9.0/24 8,689 2026-09-08 06:15:15
157.78.248.0/21 8,686 2026-09-08 06:15:15
182.158.224.0/20 8,681 2026-09-08 06:15:15
202.19.20.0/24 8,675 2026-09-08 05:56:41
157.78.0.0/17 8,671 2026-09-08 06:15:15
202.48.217.0/24 8,668 2026-09-08 05:56:44
157.78.128.0/18 8,663 2026-09-08 06:15:15
202.48.213.0/24 8,654 2026-09-08 05:56:55
202.33.0.0/16 8,652 2026-09-08 05:56:44
210.252.128.0/17 8,644 2026-09-08 05:56:26
182.158.128.0/19 8,642 2026-09-08 06:15:15
210.169.128.0/17 8,638 2026-09-08 05:56:31
61.116.0.0/16 8,636 2026-09-08 06:11:51
210.169.231.0/24 8,633 2026-09-08 05:56:20
143.90.0.0/16 8,632 2026-09-08 06:15:15
61.209.0.0/16 8,630 2026-09-08 06:11:51
202.19.21.0/24 8,628 2026-09-08 05:56:43
203.139.40.0/24 8,626 2026-09-08 05:56:26
182.159.64.0/18 8,618 2026-09-08 06:15:15
202.234.131.0/24 8,618 2026-09-08 05:56:39
202.179.207.0/24 8,617 2026-09-08 05:57:07
202.33.134.0/24 8,612 2026-09-08 05:56:32
202.234.146.0/24 8,612 2026-09-08 05:57:42
182.159.160.0/19 8,609 2026-09-08 06:15:15
202.48.216.0/24 8,606 2026-09-08 05:56:41
202.48.214.0/24 8,606 2026-09-08 05:56:58
182.159.192.0/20 8,604 2026-09-08 06:15:15
211.131.0.0/16 8,601 2026-09-08 05:56:52
210.142.160.0/21 8,601 2026-09-08 05:56:24
182.158.64.0/19 8,600 2026-09-08 06:15:15
202.255.48.0/22 8,599 2026-09-08 05:57:26

Showing top 50 of 140 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: 2026-09-08 06:24:05 UTC
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