AS9370 SAKURA Internet Inc. — Informations ASN

AS9370SAKURA Internet Inc.Datacenter

WHOIS Topology

Japan · APNICsakura.ad.jp

Hosts top sitesRPKI filteringTor relaysVPS hosting

IPv4 addresses

340 992

39 announced prefixes

IPv6 addresses

1.26 × 10³⁰

5 announced prefixes

BGP neighbours

…

CAIDA rank

#1 390

Customer cone 25 ASNs

Estimated users

64,4 k

APNIC: 63,3 k

RPKI

84% valid

0 invalid · 7 not covered

Average purity

284 sampled IPs

IXPs / facilities

3 / 0

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
163.43.0.0/16	Valid	SAKURAAPNIC	Japan	65 536
36.53.0.0/17	Valid	SAKURAAPNIC	Japan	32 768
59.106.0.0/17	Valid	SAKURAAPNIC	Japan	32 768
160.16.0.0/17	Valid	SAKURAAPNIC	Tokyo	32 768
160.16.128.0/17	Valid	SAKURAAPNIC	Tokyo	32 768
36.53.128.0/18	Valid	SAKURAAPNIC	Japan	16 384
59.106.128.0/18	Valid	SAKURAAPNIC	Japan	16 384
27.133.128.0/19	Valid	SAKURAAPNIC	Japan	8 192
59.106.192.0/19	Valid	SAKURAAPNIC	Japan	8 192
113.20.160.0/19	Valid	SAKURAAPNIC	Japan	8 192
122.202.96.0/19	Valid	SAKURAAPNIC	Japan	8 192
153.121.0.0/19	Valid	SAKURAAPNIC	Japan	8 192
153.121.32.0/19	Valid	SAKURAAPNIC	Tokyo	8 192
153.121.64.0/19	Valid	SAKURAAPNIC	Japan	8 192
210.188.224.0/19	Valid	JPNIC-NET-JPAPNIC	Japan	8 192
27.134.240.0/20	Valid	SAKURAAPNIC	Japan	4 096
59.106.224.0/20	Valid	SAKURAAPNIC	Japan	4 096
61.211.224.0/20	Valid	JPNIC-NET-JPAPNIC	Japan	4 096
110.44.128.0/20	Valid	SAKURAAPNIC	Japan	4 096
112.109.0.0/20	Valid	SAKURAAPNIC	Japan	4 096

/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 157 / 1 332 （12%） · flagged 95

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

160.16.0.0/1763/128 with data · 42 flagged

160.16.128.0/1752/128 with data · 31 flagged

153.121.32.0/1921/32 with data · 11 flagged

153.121.64.0/197/32 with data · 3 flagged

163.43.0.0/164/256 with data · 1 flagged

59.106.192.0/192/32 with data · 2 flagged

202.181.96.0/202/16 with data · 1 flagged

36.53.0.0/171/128 with data · 1 flagged

59.106.128.0/181/64 with data · 0 flagged

113.20.160.0/191/32 with data · 0 flagged

27.133.247.0/241/1 with data · 1 flagged

103.26.32.0/241/1 with data · 1 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

85–100 170–84 20150–69 800–49 2

0.18%

Share of IPv4 reported or blocklisted

620

Listed IPs

284

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
153.121.33.0/24	2	4
160.16.104.0/24	2	4
160.16.144.0/24	2	3
160.16.208.0/24	2	3
160.16.62.0/24	2	3
160.16.70.0/24	2	3
160.16.111.0/24	2	2
160.16.52.0/24	2	2
160.16.59.0/24	1	6
160.16.152.0/24	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.

Observation du trafic

AS9370 · 7 derniers jours

Mobile vs ordinateur

Ordinateur85.1%Mobile14.9%

Robot vs humain

Humain22.7%Robot77.3%

Adoption et usage

Adoption et usage des principaux protocoles

Version du protocole Internet (IP)

IPv486.7%IPv613.3%

Version HTTP

HTTP/1.x

43.9%HTTP/2

54.2%HTTP/3

1.9%

HTTP vs HTTPS

95.2% HTTPS (chiffré)

HTTP en clair 4.8%

Version TLS

TLS 1.0/1.1< 0.1%TLS 1.29.3%TLS 1.388.8%QUIC1.9%

Sécurité et attaques

Aperçu du trafic d'attaque sur les couches réseau et application

Attaques de couche 7

POST

53.5%GET

46.0%HEAD

0.4%Autre

< 0.1%

Annonces BGP

Annonces de routes BGP par heure sur les 7 derniers jours

233 537

Total sur 7 jours

7 485

Pic horaire

Données : Cloudflare Radar, sous licence 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: 02:00–03:00
Active hours: 20 hrs
Weekend vs weekday: Weekdays heavier
Busiest day: Mon

Chargement…

Opérateurs amont et voisins BGP

AS9370Page dédiée

Chargement des opérateurs amont et des voisins…

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	2026-10-21
Network type	CleanIP ASN canon	2026-10-22
Exchanges & facilities	Operator self-reported interconnection data	2026-10-21
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	2026-10-20
Network tags	Public routing data community tags	2026-10-22
IP reputation	CleanIP lookups and neighbour sampling	—

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Recoupement multisource · Données de réputation internes · Uniquement des données réelles