AS4685 Asahi Net — ASN情報検索

AS4685Asahi NetISP

WHOIS Topology

Japan · APNICasahi-net.co.jp

Hosts top sitesHome broadband

IPv4 addresses

1,277,952

62 announced prefixes

IPv6 addresses

7.13 × 10²⁹

2 announced prefixes

BGP neighbours

…

CAIDA rank

#12,941

Customer cone 1 ASNs

Estimated users

120万

APNIC: 120万

RPKI

100% valid

0 invalid · 0 not covered

Average purity

378 sampled IPs

IXPs / facilities

7 / 9

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
183.76.0.0/15	Valid	ASAHI-NETAPNIC	Okayama	131,072
14.3.0.0/16	Valid	ASAHI-NETAPNIC	Tokyo	65,536
118.243.0.0/16	Valid	ASAHI-NETAPNIC	Osaka	65,536
122.249.0.0/16	Valid	ASAHI-NETAPNIC	Minokamo	65,536
131.129.0.0/16	Valid	ASAHI-NETAPNIC	Nagoya	65,536
138.64.0.0/16	Valid	ASAHI-NETAPNIC	Japan	65,536
157.107.0.0/16	Valid	ASAHI-NETAPNIC	Japan	65,536
220.146.0.0/16	Valid	ASAHI-NETAPNIC	Tokyo	65,536
110.4.128.0/17	Valid	ASAHI-NETAPNIC	Naka-ekimae	32,768
121.1.128.0/17	Valid	ASAHI-NETAPNIC	Japan	32,768
150.9.0.0/17	Valid	ASAHI-NETAPNIC	Osaka	32,768
150.91.0.0/17	Valid	JAPAN150APNIC	Japan	32,768
220.157.128.0/17	Valid	ASAHI-NETAPNIC	Japan	32,768
61.125.192.0/18	Valid	JPNIC-NET-JPAPNIC	Kawasaki	16,384
61.213.64.0/18	Valid	JPNIC-NET-JPAPNIC	Tokyo	16,384
110.5.0.0/18	Valid	ASAHI-NETAPNIC	Nagoya	16,384
111.234.128.0/18	Valid	ASAHI-NETAPNIC	Chūō	16,384
116.70.192.0/18	Valid	ASAHI-NETAPNIC	Japan	16,384
124.155.0.0/18	Valid	ASAHI-NETAPNIC	Niikura	16,384
124.155.64.0/18	Valid	ASAHI-NETAPNIC	Funabashi	16,384

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 282 / 4,992 （6%） · flagged 140

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

138.64.0.0/1649/256 with data · 26 flagged

183.76.0.0/1537/512 with data · 24 flagged

14.3.0.0/1634/256 with data · 9 flagged

157.107.0.0/1630/256 with data · 23 flagged

150.91.0.0/1717/128 with data · 0 flagged

150.9.0.0/1713/128 with data · 5 flagged

131.129.0.0/169/256 with data · 4 flagged

220.146.0.0/168/256 with data · 4 flagged

121.1.128.0/177/128 with data · 7 flagged

150.9.128.0/187/64 with data · 3 flagged

220.157.128.0/176/128 with data · 5 flagged

218.219.192.0/186/64 with data · 5 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 27870–84 6450–69 360–49 0

0.05%

Share of IPv4 reported or blocklisted

670

Listed IPs

378

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
138.64.81.0/24	2	4
138.64.202.0/24	2	3
138.64.67.0/24	2	2
138.64.86.0/24	2	2
138.64.96.0/24	1	4
131.129.252.0/24	1	3
138.64.101.0/24	1	3
138.64.103.0/24	1	3
138.64.113.0/24	1	3
138.64.98.0/24	1	3

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

Japan100.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

トラフィック観測

AS4685 · 過去7日間

モバイルとデスクトップ

デスクトップ47.3%モバイル52.7%

ボットと人間

人間90.8%ボット9.2%

普及と利用状況

主要プロトコルの普及と利用状況

インターネットプロトコル（IP）のバージョン

IPv439.7%IPv660.3%

HTTPバージョン

HTTP/1.x

10.8%HTTP/2

64.0%HTTP/3

25.2%

HTTPとHTTPS

99.5% HTTPS（暗号化）

HTTP（暗号化なし）0.5%

TLSバージョン

TLS 1.0/1.1< 0.1%TLS 1.23.5%TLS 1.371.2%QUIC25.3%

セキュリティと攻撃

ネットワーク層とアプリケーション層の攻撃トラフィックの分析

レイヤー7攻撃

GET

76.6%POST

21.0%HEAD

1.8%PUT

0.4%OPTIONS

0.2%その他

< 0.1%

BGPアナウンス数

過去7日間の1時間ごとのBGP経路アナウンス数

236,836

7日間の合計

9,672

1時間あたりのピーク

データ：Cloudflare Radar、ライセンス：CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 13:00–14:00
Active hours: 19 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Tue

読み込み中…

BGPの上流と近隣ネットワーク

AS4685専用ページ

上流と近隣ネットワークを読み込み中…

WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-22
Organization & company country	AS-to-organization data	2026-10-22
Network type	CleanIP ASN canon	2026-10-22
Exchanges & facilities	Operator self-reported interconnection data	2026-10-22
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-22
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-22
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-19
Network tags	Public routing data community tags	2026-10-22
IP reputation	CleanIP lookups and neighbour sampling	—

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