121.200.200.0/21

AS2497 · Internet Initiative Japan Inc.

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Summary

Country	Japan
Domain	iij.ad.jp
ASN	AS2497
Registry	APNIC
ID	HI-HO

WHOIS Details

inetnum:        121.200.200.0 - 121.200.207.255
netname:        IIJ
descr:          Internet Initiative Japan Inc.
descr:          Iidabashi Grand Bloom,
descr:          2-10-2 Fujimi, Chiyoda-ku,
descr:          Tokyo, 102-0071 Japan
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
status:         ALLOCATED PORTABLE
remarks:        Email address for spam or abuse complaints : abuse-contact@iij.ad.jp
mnt-irt:        IRT-JPNIC-JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
last-modified:  2020-10-07T03:34:02Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
e-mail:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp was validated on 2020-07-23
mnt-by:         MAINT-JPNIC
last-modified:  2022-06-14T04:26:58Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

inetnum:        121.200.200.0 - 121.200.207.255
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
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)
last-modified:  2020-10-07T20:47:21Z
source:         JPNIC

Nearby Ranges

BGP prefixes that overlap with 121.200.0.0/16

Range	ASN	Company	Num of IPs
121.200.128.0/18	AS18144	Enecom,Inc.	16,384
121.200.64.0/18	AS17849	SK Broadband Co Ltd	16,384
121.200.0.0/19	AS4764	Wideband Networks Pty Ltd	8,192
121.200.32.0/20	AS10214	Pentanet Limited	4,096
121.200.224.0/20	AS38809	VOCUS PTY LTD	4,096
121.200.240.0/20	AS4628	Pacific Internet Pte Ltd	4,096
121.200.222.0/23	AS140686	Nabunturan Cable TV Network Inc.	512
121.200.39.0/24	AS10214	Pentanet Limited	256
121.200.40.0/24	AS10214	Pentanet Limited	256
121.200.41.0/24	AS10214	Pentanet Limited	256
121.200.42.0/24	AS10214	Pentanet Limited	256
121.200.43.0/24	AS10214	Pentanet Limited	256
121.200.44.0/24	AS10214	Pentanet Limited	256
121.200.46.0/24	AS10214	Pentanet Limited	256
121.200.47.0/24	AS10214	Pentanet Limited	256
121.200.0.0/24	AS136943	Aussie Broadband	256
121.200.0.0/24	AS136943	Aussie Broadband	256
121.200.57.0/24	AS136987	VISPL-IN Public	256
121.200.58.0/24	AS136987	VISPL-IN Public	256
121.200.240.0/24	AS4628	PACIFIC-INTERNET	256
121.200.241.0/24	AS4628	OSINet	256
121.200.242.0/24	AS4628	OSINet	256
121.200.243.0/24	AS4628	OSINet	256
121.200.244.0/24	AS4628	OSINet	256
121.200.245.0/24	AS4628	OSINet	256
121.200.246.0/24	AS4628	OSINet	256
121.200.247.0/24	AS4628	PACIFIC INTERNET BROADBAND	256
121.200.248.0/24	AS4628	OSINet	256
121.200.249.0/24	AS4628	OSINet	256
121.200.250.0/24	AS4628	OSINet	256
121.200.251.0/24	AS4628	OSINet	256
121.200.252.0/24	AS4628	OSINet	256
121.200.253.0/24	AS4628	PACIFIC INTERNET SG	256
121.200.254.0/24	AS4628	OSINet	256
121.200.255.0/24	AS4628	PACIFIC INTERNET (S) PTE LTD	256
121.200.0.0/24	AS4764	Aussie Broadband	256
121.200.0.0/24	AS4764	Aussie Broadband	256
121.200.45.0/24	AS50889	Pentanet Limited	256
121.200.62.0/24	AS55828	DRIK ICT Limited	256
121.200.32.0/24	AS10214	Pentanet Limited	256
121.200.33.0/24	AS10214	Pentanet Limited	256
121.200.34.0/24	AS10214	Pentanet Limited	256
121.200.35.0/24	AS10214	Pentanet Limited	256
121.200.36.0/24	AS10214	Pentanet Limited	256
121.200.37.0/24	AS10214	Pentanet Limited	256
121.200.38.0/24	AS10214	Pentanet Limited	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
66.93.236.37	AS6079 RCN	`0.28ms` from Boston, US
182.141.29.245	AS4134 CHINANET-BACKBONE	`10.18ms` from Chengdu, CN
77.238.188.229	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
147.93.62.85	AS47583 Hostinger International Limited	`0.46ms` from Frankfurt am Main, DE
210.186.142.149	AS4788 TM TECHNOLOGY SERVICES SDN. BHD.	`4.38ms` from Kuala Lumpur, MY
91.132.94.85	AS48894 Optimus IT d.o.o.	`0.01ms` from Ljubljana, SI
75.171.14.117	AS209 CenturyLink Communications, LLC	`5.32ms` from Miami, US
126.220.134.117	AS17676 SoftBank Corp.	`3.77ms` from Osaka, JP
14.133.211.229	AS18126 Chubu Telecommunications Company, Inc.	`5.07ms` from Osaka, JP
211.126.240.5	AS2516 KDDI CORPORATION	`11.47ms` from Osaka, JP
20.190.177.85	AS8075 Microsoft Corporation	`0.41ms` from Paris, FR
100.16.239.197	AS701 Verizon Business	`4.53ms` from Philadelphia, US
179.164.124.245	AS26599 TELEFÔNICA BRASIL S.A	`12.74ms` from Rio de Janeiro, BR
209.151.146.101	AS25697 UpCloud USA Inc	`0.41ms` from San Jose, US
63.198.3.53	AS7018 AT&T Enterprises, LLC	`4.11ms` from San Jose, US
76.125.43.133	AS7922 Comcast Cable Communications, LLC	`7.83ms` from San Jose, US
24.152.66.5	AS270484 NOVA NETWORK TELECOM LTDA	`8.96ms` from Sao Paulo, BR
49.164.234.165	AS17858 LG POWERCOMM	`1.86ms` from Seoul, KR
123.52.180.37	AS4134 CHINANET-BACKBONE	`9.09ms` from Zhengzhou, CN
117.215.183.197	AS9829 National Internet Backbone	`3.54ms` from Bengaluru, IN
2.203.52.5	AS3209 Vodafone GmbH	`5.92ms` from Berlin, DE
20.36.187.69	AS8075 Microsoft Corporation	`0.20ms` from Boydton, US
128.205.129.5	AS3685 State University of New York at Buffalo	`1.60ms` from Buffalo, US
198.11.7.101	AS5078 Oklahoma Network for Education Enrichment and	`9.03ms` from Dallas, US
51.37.229.85	AS15502 Vodafone Ireland Limited	`4.23ms` from Dublin, IE

Traceroute

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

traceroute -a -n -q1 -f4 -m10 121.200.200.254

traceroute to 121.200.200.254 (121.200.200.254): 10 hops max, 52 byte packets

4 [] 116.119.161.51 58.795 ms

5 [] 27.111.228.196 59.131 ms

6 *

7 [AS2497] 58.138.112.226 123.265 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Chennai, IN

On December 6th 2025

What are IP address ranges?

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