210.237.32.0/19

AS7511 · SYNAPSE Co.,Ltd.

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Summary

Country	Japan
Domain	synapse.jp
ASN	AS7511
Registry	JPNIC
ID	SYNAPSE-CIDR-BLK-JP

WHOIS Details

inetnum:        210.237.48.0 - 210.237.63.255
netname:        SYNAPSE-CIDR-BLK-JP
descr:          SYNAPSE Co.,Ltd.
remarks:        Email address for spam or abuse complaints : [email protected]
country:        JP
admin-c:        JP00146894
tech-c:         JP00146894
last-modified:  2017-05-19T00:21:18Z
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 210.237.0.0/16

Range	ASN	Company	Num of IPs
210.237.128.0/17	AS4725	SoftBank Corp.	32,768
210.237.64.0/18	AS2516	KDDI CORPORATION	16,384
210.237.0.0/19	AS9374	EDION Internet Service	8,192

Hosted domains

There are 21 domain names hosted across 16 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
210.237.36.68	lilac.team	6
210.237.36.66	delide.li	6
210.237.36.69	lilac.team	5
210.237.36.83	ajc-product.com	2
210.237.44.170	arssystem.com	1
210.237.39.179	elm.co.jp	1
210.237.37.138	harutaizuro.com	1
210.237.44.26	kagoshima-search.jp	1
210.237.36.35	elm-sa.co.jp	1
210.237.36.122	nansatsu-makukaso.jp	1
210.237.39.44	colet.biz	1
210.237.36.162	550909.bz	1
210.237.37.202	endlesshorizonadventures.com	1
210.237.37.134	minamikyushued.com	1
210.237.62.56	futabafukushikai.link	1
210.237.56.125	kigins.com	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

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

IP Address	ASN	Details
210.237.51.189	AS7511 SYNAPSE Co.,Ltd.	`11.72ms` from Osaka, JP
210.237.47.228	AS7511 SYNAPSE Co.,Ltd.	`11.74ms` from Osaka, JP
210.237.55.18	AS7511 SYNAPSE Co.,Ltd.	`11.38ms` from Osaka, JP
210.237.56.39	AS7511 SYNAPSE Co.,Ltd.	`11.35ms` from Osaka, JP
210.237.61.196	AS7511 SYNAPSE Co.,Ltd.	`11.56ms` from Osaka, JP
210.237.48.50	AS7511 SYNAPSE Co.,Ltd.	`11.58ms` from Osaka, JP
210.237.52.250	AS7511 SYNAPSE Co.,Ltd.	`11.45ms` from Osaka, JP
210.237.46.156	AS7511 SYNAPSE Co.,Ltd.	`11.66ms` from Osaka, JP
210.237.34.150	AS7511 SYNAPSE Co.,Ltd.	`11.86ms` from Osaka, JP
210.237.53.115	AS7511 SYNAPSE Co.,Ltd.	`11.87ms` from Osaka, JP
210.237.62.242	AS7511 SYNAPSE Co.,Ltd.	`11.41ms` from Osaka, JP
210.237.58.252	AS7511 SYNAPSE Co.,Ltd.	`11.15ms` from Osaka, JP
210.237.43.48	AS7511 SYNAPSE Co.,Ltd.	`11.88ms` from Osaka, JP
210.237.54.115	AS7511 SYNAPSE Co.,Ltd.	`11.25ms` from Osaka, JP
210.237.32.58	AS7511 SYNAPSE Co.,Ltd.	`11.32ms` from Osaka, JP
210.237.35.28	AS7511 SYNAPSE Co.,Ltd.	`12.05ms` from Osaka, JP
210.237.60.178	AS7511 SYNAPSE Co.,Ltd.	`11.77ms` from Osaka, JP
210.237.49.228	AS7511 SYNAPSE Co.,Ltd.	`12.00ms` from Osaka, JP
210.237.38.109	AS7511 SYNAPSE Co.,Ltd.	`11.03ms` from Osaka, JP
210.237.59.166	AS7511 SYNAPSE Co.,Ltd.	`11.67ms` from Osaka, JP
210.237.41.66	AS7511 SYNAPSE Co.,Ltd.	`11.30ms` from Osaka, JP
210.237.40.132	AS7511 SYNAPSE Co.,Ltd.	`12.01ms` from Osaka, JP
210.237.63.150	AS7511 SYNAPSE Co.,Ltd.	`11.63ms` from Osaka, JP
210.237.37.131	AS7511 SYNAPSE Co.,Ltd.	`11.49ms` from Osaka, JP
210.237.57.204	AS7511 SYNAPSE Co.,Ltd.	`11.39ms` 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
131.9.40.243	AS56 United States Department of Defense (DoD)	`9.38ms` from Chicago, US
2.110.86.195	AS203953 Hiper A/S	`8.93ms` from Copenhagen, DK
144.30.118.211	AS13809 University of Arkansas for Medical Sciences	`8.04ms` from Dallas, US
217.180.208.3	AS30600 Metronet	`6.38ms` from Detroit, US
73.54.77.179	AS7922 Comcast Cable Communications, LLC	`4.08ms` from Miami, US
222.6.197.3	AS2516 KDDI CORPORATION	`8.45ms` from Osaka, JP
104.42.127.115	AS8075 Microsoft Corporation	`0.58ms` from San Jose, US
92.62.33.51	AS44381 ITsjefen AS	`8.40ms` from Sandefjord, NO
1.99.196.147	AS4766 Korea Telecom	`2.36ms` from Seoul, KR
20.151.216.51	AS8075 Microsoft Corporation	`0.17ms` from Toronto, CA
176.58.173.211	AS25472 Nova Telecommunications & Media Single Member S.A	`11.14ms` from Athens, GR
142.154.189.3	AS13825 Troy Cablevision, Inc.	`5.06ms` from Atlanta, US
98.53.97.195	AS7922 Comcast Cable Communications, LLC	`9.96ms` from Boca Raton, US
78.50.140.115	AS6805 Telefonica Germany GmbH & Co.OHG	`12.43ms` from Duesseldorf, DE
14.188.53.243	AS45899 VNPT Corp	`2.64ms` from Hanoi, VN
47.242.221.163	AS45102 Alibaba (US) Technology Co., Ltd.	`0.52ms` from Hong Kong, HK
183.224.58.163	AS9808 China Mobile Communications Group Co., Ltd.	`4.42ms` from Kunming, CN
170.64.96.3	AS15108 Allo Communications LLC	`6.49ms` from Lincoln, US
15.223.245.115	AS16509 Amazon.com, Inc.	`0.71ms` from Montreal, CA
138.84.253.3	AS400220 PearlComm	`14.49ms` from New Orleans, US
175.128.94.131	AS2516 KDDI CORPORATION	`5.06ms` from Osaka, JP
200.161.238.179	AS27699 TELEFÔNICA BRASIL S.A	`3.17ms` from Osasco, BR
140.91.6.51	AS31898 Oracle Corporation	`0.85ms` from Phoenix, US
64.201.82.51	AS21555 LAUREL HIGHLAND TELEPHONE COMPANY	`2.15ms` from Pittsburgh, US
14.90.141.243	AS4766 Korea Telecom	`1.94ms` from Seoul, KR

Traceroute

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

traceroute -a -n -q1 -f5 210.237.39.97

traceroute to 210.237.39.97 (210.237.39.97): 64 hops max, 52 byte packets

5 [] 210.173.184.151 10.317 ms

6 [AS7511] 202.208.178.197 10.749 ms

7 [AS7511] 202.208.178.238 9.067 ms

8 [AS7511] 202.208.173.238 10.323 ms

9 [AS7511] 210.237.39.97 11.674 ms

Measurement taken from

IPinfo ProbeNet in Osaka, JP

On December 20th 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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