133.39.0.0/16

AS2907 · Research Organization of Information and Systems, National Institute of Informatics

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Summary

Country	Japan
Domain	nic.ad.jp
ASN	AS2907
Registry	APNIC
ID	JPNIC-NET-JP-ERX

WHOIS Details

inetnum:        133.0.0.0 - 133.255.255.255
netname:        JPNIC-NET-JP-ERX
descr:          Japan Network Information Center
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
abuse-c:        AJ382-AP
remarks:        133/8 block is an ERX range which transfered from
remarks:        ARIN to APNIC on 2009-10-30
remarks:        The original allocation date was 1997-03-01
remarks:        Please search  whois.nic.ad.jp for more information
remarks:        about this range
remarks:        % whois -h whois.nic.ad.jp ***.***.***.***/e
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2022-11-01T04:33:10Z
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 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2025-09-04T01:00:00Z
source:         APNIC

role:           ABUSE JPNICJP
country:        ZZ
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, japan
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
nic-hdl:        AJ382-AP
remarks:        Generated from irt object IRT-JPNIC-JP
remarks:        hostmaster@nic.ad.jp was validated on 2024-11-27
abuse-mailbox:  hostmaster@nic.ad.jp
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-23T00:15:35Z
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

Nearby Ranges

BGP prefixes that overlap with 133.0.0.0/8

Range	ASN	Company	Num of IPs
133.218.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.163.0.0/16	AS2510	FUJITSU LIMITED	65,536
133.237.0.0/16	AS23820	Rakuten Group, Inc.	65,536
133.142.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.167.0.0/16	AS9371	SAKURA Internet Inc.	65,536
133.110.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.125.0.0/16	AS7684	SAKURA Internet Inc.	65,536
133.159.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.242.0.0/16	AS7684	SAKURA Internet Inc.	65,536
133.114.0.0/16	AS2527	Sony Network Communications Inc.	65,536
133.18.0.0/16	AS24282	KAGOYA JAPAN Inc.	65,536
133.137.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.236.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.123.0.0/16	AS7522	STNet, Incorporated	65,536
133.175.0.0/16	AS2519	ARTERIA Networks Corporation	65,536
133.112.0.0/16	AS2522	Japan Network Information Center	65,536
133.186.128.0/17	AS45974	NHN Cloud Japan Corporation	32,768
133.155.128.0/17	AS7524	ITEC Hankyu Hanshin Co.,Ltd.	32,768
133.155.0.0/17	AS7524	ITEC Hankyu Hanshin Co.,Ltd.	32,768
133.130.128.0/17	AS2514	NTT PC Communications,Inc.	32,768
133.232.128.0/17	AS2514	NTT PC Communications,Inc.	32,768
133.165.128.0/18	AS2527	Sony Network Communications Inc.	16,384
133.247.0.0/18	AS131918	SHONAN CABLE NETWORK	16,384
133.165.192.0/18	AS17534	NSK Co.,Ltd.	16,384
133.186.64.0/18	AS131915	Hamamatsu Cable Television .Inc	16,384
133.238.64.0/18	AS131958	TAMA CABLE NETWORK CO., LTD.	16,384
133.149.192.0/18	AS2519	ARTERIA Networks Corporation	16,384
133.149.128.0/18	AS4677	Marubeni OKI Network Solutions Inc.	16,384
133.32.0.0/18	AS2519	ARTERIA Networks Corporation	16,384
133.226.96.0/19	AS9997	CTY Co.,Ltd.	8,192
133.32.224.0/19	AS2519	ARTERIA Networks Corporation	8,192
133.226.64.0/19	AS7524	ITEC Hankyu Hanshin Co.,Ltd.	8,192
133.232.64.0/19	AS2514	INTERLINK Co.,LTD	8,192
133.238.32.0/19	AS2497	IIJ Internet	8,192
133.232.0.0/19	AS7682	DMG MORI Digital Co., LTD.	8,192
133.186.0.0/20	AS10010	TOKAI Communications Corporation	4,096
133.32.80.0/20	AS131918	SHONAN CABLE NETWORK	4,096
133.247.144.0/20	AS131949	General Incorporated Foundation Aso Telework Center	4,096
133.232.96.0/20	AS2514	INTERLINK Co.,LTD	4,096
133.226.0.0/20	AS131934	ICC Corporation	4,096
133.117.64.0/20	AS58791	GMO Internet Group, Inc.	4,096
133.226.144.0/20	AS24279	SENDAI CATV CO.,LTD.	4,096
133.226.160.0/20	AS17958	Kasaoka Cable Vision LIMITED	4,096
133.226.16.0/20	AS23624	Chukai Television Co,.Ltd.	4,096
133.238.16.0/20	AS2497	IIJ Internet	4,096
133.88.48.0/20	AS23778	IMIZU CABLE NETWORK CO.,LTD.	4,096
133.88.32.0/20	AS18281	Chitahanto Cable Network Corp.	4,096
133.232.112.0/20	AS2514	INTERLINK Co.,LTD	4,096
133.149.80.0/20	AS9354	Himawari Network Inc.	4,096
133.247.240.0/20	AS131923	MCAT Ltd.	4,096

Hosted domains

There are 36 domain names hosted across 11 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
133.39.78.111	rdfportal.org	19
133.39.116.113	nbenthamiana.jp	3
133.39.78.89	sparqlthon.org	3
133.39.75.191	nihonzaru.jp	2
133.39.78.69	difff.jp	2
133.39.177.103	mdatahub.org	2
133.39.177.109	metathermo.jp	1
133.39.78.80	genome-variation.org	1
133.39.78.113	linkedannotation.org	1
133.39.233.36	togoimputation.org	1
133.39.75.137	j-rdmm.org	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

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Pingable IPs

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

IP Address	ASN	Details
133.39.20.254	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.29ms` from Tokyo, JP
133.39.78.254	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.34ms` from Tokyo, JP
133.39.177.107	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.33ms` from Tokyo, JP
133.39.116.113	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.98ms` from Tokyo, JP
133.39.45.77	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.37ms` from Tokyo, JP
133.39.200.2	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`6.58ms` from Tokyo, JP
133.39.230.254	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.29ms` from Tokyo, JP
133.39.22.170	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.36ms` from Tokyo, JP
133.39.75.192	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.30ms` from Tokyo, JP
133.39.89.143	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.44ms` from Tokyo, JP
133.39.235.129	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.33ms` from Tokyo, JP
133.39.114.40	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.37ms` from Tokyo, JP
133.39.233.17	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.32ms` from Tokyo, 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
2.86.254.96	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`4.60ms` from Athens, GR
72.52.227.112	AS32244 Liquid Web, L.L.C	`0.16ms` from Lansing, US
63.134.192.64	AS14992 NewtekOne, Inc.	`9.75ms` from Los Angeles, US
176.175.222.0	AS5410 Bouygues Telecom SA	`1.97ms` from Lyon, FR
92.167.106.128	AS3215 Orange S.A.	`5.07ms` from Marseille, FR
27.81.87.128	AS2516 KDDI CORPORATION	`16.27ms` from Osaka, JP
90.61.150.112	AS3215 Orange S.A.	`14.35ms` from Paris, FR
138.68.13.64	AS14061 DigitalOcean, LLC	`0.22ms` from San Jose, US
60.82.112.64	AS17676 SoftBank Corp.	`3.78ms` from Tokyo, JP
122.166.141.224	AS24560 Bharti Airtel Ltd., Telemedia Services	`2.98ms` from Ahmedabad, IN
85.144.215.64	AS50266 Odido Netherlands B.V.	`2.60ms` from Amsterdam, NL
76.172.58.192	AS20001 Charter Communications Inc	`4.55ms` from Honolulu, US
148.71.174.80	AS12353 Vodafone Portugal	`7.30ms` from Lisbon, PT
79.148.219.192	AS3352 TELEFONICA DE ESPANA S.A.U.	`4.50ms` from Madrid, ES
176.51.91.0	AS12389 PJSC Rostelecom	`0.94ms` from Novosibirsk, RU
198.205.125.0	AS19844 SBA Edge, LLC	`8.79ms` from Orlando, US
219.114.211.224	AS9617 JCOM Co., Ltd.	`12.65ms` from Osaka, JP
175.201.234.208	AS4766 Korea Telecom	`4.63ms` from Seoul, KR
83.3.234.208	AS5617 Orange Polska Spolka Akcyjna	`3.76ms` from Wrocław, PL
221.14.13.80	AS4837 CHINA UNICOM China169 Backbone	`3.68ms` from Zhengzhou, CN
212.161.174.16	AS6730 Sunrise GmbH	`0.72ms` from Zuerich, CH
206.53.61.128	AS32526 CatalystVM LLC	`0.27ms` from Atlanta, US
181.81.199.192	AS7303 Telecom Argentina S.A.	`1.63ms` from Buenos Aires, AR
186.189.67.16	AS28075 ARLINK S.A.	`15.18ms` from Cordoba, AR
44.27.112.0	AS56508 Amateur Radio Digital Communications	`0.27ms` from Dallas, US

Traceroute

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

traceroute -a -n -q1 -m7 133.39.115.97

traceroute to 133.39.115.97 (133.39.115.97): 7 hops max, 52 byte packets

1 [AS15169] 142.251.241.125 225.54 ms

2 [AS15169] 108.170.248.252 225.108 ms

3 [] 210.173.176.94 256.825 ms

4 [AS2907] 150.99.16.180 279.69 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Brussels, BE

On February 7th 2026

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