AS17698 Community Network Center Inc.

AS17698Community Network Center Inc.ISP

WHOIS Topology

Japan · APNICcnci.co.jp

Home broadband

IPv4 addresses

174,080

37 announced prefixes

IPv6 addresses

—

0 announced prefixes

BGP neighbours

…

CAIDA rank

#13,262

Customer cone 1 ASNs

Estimated users

375K

APNIC: 375K

RPKI

86% valid

0 invalid · 5 not covered

Average purity

27 sampled IPs

IXPs / facilities

0 / 0

Operator self-reported

History

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

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IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
218.216.192.0/18	Valid	JPNIC-NET-JPAPNIC	Kasugai	16,384
49.242.128.0/19	Valid	CNCIAPNIC	Seto	8,192
116.12.0.0/19	Valid	CNCIAPNIC	Kasugai	8,192
119.82.160.0/19	Valid	CNCIAPNIC	Midori Ku	8,192
158.199.64.0/19	Not found	JPNIC-NET-JP-ERXAPNIC	Japan	8,192
202.79.128.0/19	Valid	CNCIAPNIC	Kuwana	8,192
203.174.192.0/19	Valid	CNCIAPNIC	Nagoya	8,192
211.15.0.0/19	Valid	JPNIC-NET-JPAPNIC	Nagoya	8,192
219.101.0.0/19	Valid	JPNIC-NET-JPAPNIC	Nagoya	8,192
219.124.192.0/19	Valid	JPNIC-NET-JPAPNIC	Nagoya	8,192
220.208.224.0/19	Valid	JPNIC-NET-JPAPNIC	Komaki	8,192
220.213.192.0/19	Valid	JPNIC-NET-JPAPNIC	Kasugai	8,192
116.58.144.0/20	Valid	CNCIAPNIC	Takayama	4,096
117.18.208.0/20	Valid	CNCIAPNIC	Takayama	4,096
122.49.240.0/20	Valid	CNCIAPNIC	Takayama	4,096
202.170.176.0/20	Valid	CNCIAPNIC	Kasugai	4,096
218.40.64.0/20	Valid	JPNIC-NET-JPAPNIC	Toribami	4,096
219.113.48.0/20	Valid	JPNIC-NET-JPAPNIC	Komaki	4,096
221.121.192.0/20	Valid	CNCIAPNIC	Nagoya	4,096
221.121.208.0/20	Valid	CNCIAPNIC	Nagoya	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 29 / 680 （4%） · flagged 13

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

218.216.192.0/184/64 with data · 1 flagged

116.12.0.0/193/32 with data · 2 flagged

221.121.208.0/203/16 with data · 2 flagged

203.174.192.0/192/32 with data · 0 flagged

219.124.192.0/192/32 with data · 2 flagged

202.170.176.0/202/16 with data · 1 flagged

219.113.48.0/202/16 with data · 1 flagged

119.82.160.0/191/32 with data · 0 flagged

158.199.64.0/191/32 with data · 0 flagged

202.79.128.0/191/32 with data · 1 flagged

220.208.224.0/191/32 with data · 0 flagged

220.213.192.0/191/32 with data · 0 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 1470–84 1050–69 20–49 1

0.02%

Share of IPv4 reported or blocklisted

Listed IPs

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
116.12.3.0/24	1	3
116.58.159.0/24	1	1
158.199.108.0/24	1	1
219.124.192.0/24	1	1
219.124.201.0/24	1	1

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.

Traffic observation

AS17698 · Last 7 days

Mobile vs. Desktop

Desktop31.9%Mobile68.1%

Bot vs. Human

Human92.4%Bot7.6%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv4> 99.9%IPv6< 0.1%

HTTP Version

HTTP/1.x

6.7%HTTP/2

67.5%HTTP/3

25.8%

HTTP vs. HTTPS

99.6% HTTPS (encrypted)

Plain HTTP 0.4%

TLS Version

TLS 1.0/1.1< 0.1%TLS 1.22.3%TLS 1.371.7%QUIC25.9%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

73.5%OPTIONS

18.1%POST

7.3%HEAD

1.2%

BGP Announcements

Hourly BGP route announcements over the last 7 days

222,147

7-day total

9,837

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.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 13:00–14:00
Active hours: 9 hrs
Weekend vs weekday: Weekends heavier
Busiest day: Sun

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BGP upstreams and neighbours

AS17698Standalone page

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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	2026-10-20
Registered address & allocation date	RIR registration data (RDAP)	2026-10-10
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-20
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	2026-10-21
IP reputation	CleanIP lookups and neighbour sampling	—

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Multi-source cross-checks · In-house reputation data · Real data only