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ASN lookup result for AS9370 SAKURA Internet Inc. — network size, BGP routing and registration

JPAS9370SAKURA Internet Inc.IDC
WHOIS Topology

Japan · APNICsakura.ad.jp

Hosts top sitesTor 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

64.4K

APNIC Labs estimate

RPKI

84% valid

0 invalid · 7 not covered

Average purity

71

283 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.

PrefixRPKIRegistrationGeolocationAddresses
163.43.0.0/16ValidJPSAKURAAPNICJPJapan65,536
36.53.0.0/17ValidJPSAKURAAPNICJPJapan32,768
59.106.0.0/17ValidJPSAKURAAPNICJPJapan32,768
160.16.0.0/17ValidJPSAKURAAPNICJPTokyo32,768
160.16.128.0/17ValidJPSAKURAAPNICJPTokyo32,768
36.53.128.0/18ValidJPSAKURAAPNICJPJapan16,384
59.106.128.0/18ValidJPSAKURAAPNICJPJapan16,384
27.133.128.0/19ValidJPSAKURAAPNICJPJapan8,192
59.106.192.0/19ValidJPSAKURAAPNICJPJapan8,192
113.20.160.0/19ValidJPSAKURAAPNICJPJapan8,192
122.202.96.0/19ValidJPSAKURAAPNICJPJapan8,192
153.121.0.0/19ValidJPSAKURAAPNICJPJapan8,192
153.121.32.0/19ValidJPSAKURAAPNICJPTokyo8,192
153.121.64.0/19ValidJPSAKURAAPNICJPJapan8,192
210.188.224.0/19ValidJPJPNIC-NET-JPAPNICJPJapan8,192
27.134.240.0/20ValidJPSAKURAAPNICJPJapan4,096
59.106.224.0/20ValidJPSAKURAAPNICJPJapan4,096
61.211.224.0/20ValidJPJPNIC-NET-JPAPNICJPJapan4,096
110.44.128.0/20ValidJPSAKURAAPNICJPJapan4,096
112.109.0.0/20ValidJPSAKURAAPNICJPJapan4,096

/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 20050–69 800–49 2

0.18%

Share of IPv4 reported or blocklisted

620

Listed IPs

283

Analysed IPs

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.

  • JP Japan
Scope
Single country
In registered country
100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS9370 · Last 7 days
Mobile vs. Desktop
Desktop 85.1%Mobile 14.9%
Desktop85.1%Mobile14.9%
Bot vs. Human
Human 22.7%Bot 77.3%
Human22.7%Bot77.3%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 86.7%IPv6 13.3%13.3%IPv6
IPv486.7%IPv613.3%
HTTP Version
HTTP/1.x
43.9%HTTP/2
54.2%HTTP/3
1.9%
HTTP vs. HTTPS
95.2% HTTPS (encrypted)
Plain HTTP 4.8%
TLS Version
TLS 1.0/1.1< 0.1%TLS 1.29.3%TLS 1.388.8%QUIC1.9%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks
POST
53.5%GET
46.0%HEAD
0.4%Other
< 0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

233,537
7-day total
7,485
Hourly peak

Data: Cloudflare Radar, licensed under 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.

00061218
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

Datacenter Presence

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BGP upstreams and neighbours

AS9370Standalone page
Loading upstreams and neighbours…

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.

InformationSourceUpdated
Registered countryRIR daily delegation statistics2026-10-22
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-22
Exchanges & facilitiesOperator self-reported interconnection data2026-10-21
Announced prefixes & BGP neighboursPublic BGP routing data2026-10-22
IPv4 geographyGeolocation database—
RPKI validationRPKI ROA validation data2026-10-22
Rank & customer coneCAIDA AS Rank2026-10-01
Estimated users (APNIC)APNIC Labs user estimates2026-10-19
Network tagsPublic routing data community tags2026-10-22
IP reputationCleanIP lookups and neighbour sampling—

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