210.173.0.0/19

AS2497 · Internet Initiative Japan Inc.

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Summary

Country	Japan
Domain	iij.ad.jp
ASN	AS2497
Registry	JPNIC
ID	IIJ-CIDR-BLK-JP

WHOIS Details

inetnum:        210.173.0.0 - 210.173.31.255
netname:        IIJ-CIDR-BLK-JP
descr:          Internet Initiative Japan Inc.
remarks:        Email address for spam or abuse complaints : abuse-contact@iij.ad.jp
country:        JP
admin-c:        JP00010080
tech-c:         JP00010080
last-modified:  2014-08-01T02:18:05Z
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
source:         JPNIC

Nearby Ranges

BGP prefixes that overlap with 210.173.0.0/16

Range	ASN	Company	Num of IPs
210.173.32.0/19	AS18142	KISTEM Co., Ltd.	8,192
210.173.144.0/20	AS18126	Chubu Telecommunications Co.,Inc.	4,096
210.173.178.0/24	AS7521	INTERNET MULTIFEED CO.	256
210.173.216.0/24	AS131893	RICOH Company, Ltd.	256
210.173.168.0/24	AS7521	INTERNET MULTIFEED CO.	256
210.173.170.0/24	AS7521	INTERNET MULTIFEED CO.	256

Hosted domains

There are 4 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
210.173.11.205	evidencepath.jp	1
210.173.1.248	stereo-house.com	1
210.173.30.48	seirei.or.jp	1
210.173.31.148	tatsuno.ed.jp	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

832 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
210.173.2.141	AS2497 Internet Initiative Japan Inc.	`0.21ms` from Osaka, JP
210.173.25.4	AS2497 Internet Initiative Japan Inc.	`2.36ms` from Tokyo, JP
210.173.5.249	AS2497 Internet Initiative Japan Inc.	`20.15ms` from Tokyo, JP
210.173.30.65	AS2497 Internet Initiative Japan Inc.	`1.47ms` from Tokyo, JP
210.173.19.105	AS2497 Internet Initiative Japan Inc.	`1.52ms` from Tokyo, JP
210.173.18.177	AS2497 Internet Initiative Japan Inc.	`0.83ms` from Tokyo, JP
210.173.0.172	AS2497 Internet Initiative Japan Inc.	`4.76ms` from Osaka, JP
210.173.22.213	AS2497 Internet Initiative Japan Inc.	`0.91ms` from Osaka, JP
210.173.16.10	AS2497 Internet Initiative Japan Inc.	`1.93ms` from Tokyo, JP
210.173.3.169	AS2497 Internet Initiative Japan Inc.	`3.20ms` from Tokyo, JP
210.173.28.69	AS2497 Internet Initiative Japan Inc.	`27.21ms` from Tokyo, JP
210.173.31.225	AS2497 Internet Initiative Japan Inc.	`2.00ms` from Tokyo, JP
210.173.26.66	AS2497 Internet Initiative Japan Inc.	`2.57ms` from Tokyo, JP
210.173.29.104	AS2497 Internet Initiative Japan Inc.	`22.99ms` from Osaka, JP
210.173.20.193	AS2497 Internet Initiative Japan Inc.	`1.45ms` from Tokyo, JP
210.173.27.248	AS2497 Internet Initiative Japan Inc.	`0.89ms` from Tokyo, JP
210.173.4.142	AS2497 Internet Initiative Japan Inc.	`21.72ms` from Osaka, JP
210.173.24.252	AS2497 Internet Initiative Japan Inc.	`1.34ms` from Tokyo, JP
210.173.11.53	AS2497 Internet Initiative Japan Inc.	`0.61ms` from Tokyo, JP
210.173.12.202	AS2497 Internet Initiative Japan Inc.	`1.28ms` from Tokyo, JP
210.173.15.213	AS2497 Internet Initiative Japan Inc.	`1.22ms` from Osaka, JP
210.173.7.86	AS2497 Internet Initiative Japan Inc.	`22.18ms` from Osaka, JP

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
77.172.255.3	AS1136 KPN B.V.	`2.65ms` from Amsterdam, NL
82.157.86.227	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.15ms` from Beijing, CN
149.78.102.3	AS265171 SITELBRA LTDA	`15.10ms` from Brasilia, BR
162.207.70.243	AS7018 AT&T Enterprises, LLC	`6.97ms` from Chicago, US
76.139.98.99	AS7922 Comcast Cable Communications, LLC	`11.89ms` from Chicago, US
18.117.21.131	AS16509 Amazon.com, Inc.	`0.15ms` from Columbus, US
103.101.198.35	AS136999 SkyLink Broadband Internet	`0.78ms` from Dhaka, BD
94.4.127.147	AS5607 Sky UK Limited	`3.66ms` from London, GB
31.37.96.3	AS5410 Bouygues Telecom SA	`1.09ms` from Marseille, FR
70.32.120.115	AS398101 GoDaddy.com, LLC	`0.87ms` from Phoenix, US
211.188.38.35	AS135354 NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.	`1.21ms` from Seoul, KR
34.165.16.227	AS396982 Google LLC	`0.10ms` from Tel Aviv, IL
101.17.196.3	AS4837 CHINA UNICOM China169 Backbone	`8.32ms` from Beijing, CN
34.10.48.115	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
184.175.181.227	AS26554 US Signal Company, L.L.C.	`1.33ms` from Detroit, US
83.136.5.3	AS29045 IT Action Limited	`0.63ms` from London, GB
78.4.31.179	AS8968 BT Italia S.p.A.	`3.19ms` from Milan, IT
211.60.71.195	AS3786 LG DACOM Corporation	`3.23ms` from Seoul, KR
37.10.42.3	AS202196 Booking.com BV	`0.45ms` from Ashburn, US
104.181.236.211	AS7018 AT&T Enterprises, LLC	`4.37ms` from Chicago, US
205.251.173.3	AS16617 CISP	`3.76ms` from Columbus, US
34.250.53.195	AS16509 Amazon.com, Inc.	`0.18ms` from Dublin, IE
5.49.178.195	AS5410 Bouygues Telecom SA	`7.25ms` from Lyon, FR
113.194.92.163	AS4837 CHINA UNICOM China169 Backbone	`7.07ms` from Nanchang, CN
220.190.14.163	AS4134 CHINANET-BACKBONE	`10.55ms` from Ningbo, CN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f5 -m10 210.173.15.176

traceroute to 210.173.15.176 (210.173.15.176): 10 hops max, 52 byte packets

5 [AS3257] 213.39.26.245 43.376 ms

6 *

7 [AS2497] 210.130.133.29 42.151 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Lisbon, PT

On November 22nd 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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