1. All IP Ranges
  2. 133.0.0.0/8
  3. 133.72.0.0/16
  4. AS2907  | 133.72.0.0/16

133.72.0.0/16

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:         [email protected]
abuse-mailbox:  [email protected]
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        [email protected] 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:         [email protected]
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
nic-hdl:        AJ382-AP
remarks:        Generated from irt object IRT-JPNIC-JP
remarks:        [email protected] was validated on 2024-11-27
abuse-mailbox:  [email protected]
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:         [email protected]
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
133.237.0.0/16 AS23820 Rakuten Group, Inc. 65,536
133.125.0.0/16 AS7684 SAKURA Internet Inc. 65,536
133.123.0.0/16 AS7522 STNet, Incorporated 65,536
133.114.0.0/16 AS2527 Sony Network Communications Inc. 65,536
133.236.0.0/16 AS2497 Internet Initiative Japan Inc. 65,536
133.142.0.0/16 AS2497 Internet Initiative Japan Inc. 65,536
133.175.0.0/16 AS2519 ARTERIA Networks Corporation 65,536
133.242.0.0/16 AS7684 SAKURA Internet Inc. 65,536
133.163.0.0/16 AS2510 FUJITSU LIMITED 65,536
133.167.0.0/16 AS9371 SAKURA Internet Inc. 65,536
133.112.0.0/16 AS2522 Japan Network Information Center 65,536
133.218.0.0/16 AS2497 Internet Initiative Japan Inc. 65,536
133.159.0.0/16 AS2497 Internet Initiative Japan Inc. 65,536
133.137.0.0/16 AS2497 Internet Initiative Japan Inc. 65,536
133.110.0.0/16 AS2497 Internet Initiative Japan Inc. 65,536
133.18.0.0/16 AS24282 KAGOYA JAPAN Inc. 65,536
133.155.128.0/17 AS7524 ITEC Hankyu Hanshin Co.,Ltd. 32,768
133.130.128.0/17 AS2514 NTT PC Communications,Inc. 32,768
133.155.0.0/17 AS7524 ITEC Hankyu Hanshin Co.,Ltd. 32,768
133.186.128.0/17 AS45974 NHN Cloud Japan Corporation 32,768
133.232.128.0/17 AS2514 NTT PC Communications,Inc. 32,768
133.165.192.0/18 AS17534 NSK Co.,Ltd. 16,384
133.32.0.0/18 AS2519 ARTERIA Networks Corporation 16,384
133.247.0.0/18 AS131918 SHONAN CABLE NETWORK 16,384
133.165.128.0/18 AS2527 Sony Network Communications Inc. 16,384
133.149.192.0/18 AS2519 ARTERIA Networks Corporation 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
133.149.128.0/18 AS4677 Marubeni OKI Network Solutions Inc. 16,384
133.232.64.0/19 AS2514 INTERLINK Co.,LTD 8,192
133.226.96.0/19 AS9997 CTY Co.,Ltd. 8,192
133.32.224.0/19 AS2519 ARTERIA Networks Corporation 8,192
133.238.32.0/19 AS2497 IIJ Internet 8,192
133.226.64.0/19 AS7524 ITEC Hankyu Hanshin Co.,Ltd. 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
133.238.16.0/20 AS2497 IIJ Internet 4,096
133.32.128.0/20 AS2519 ARTERIA Networks Corporation 4,096
133.226.144.0/20 AS24279 SENDAI CATV CO.,LTD. 4,096
133.117.64.0/20 AS58791 GMO Internet Group, Inc. 4,096
133.226.16.0/20 AS23624 Chukai Television Co,.Ltd. 4,096
133.226.160.0/20 AS17958 Kasaoka Cable Vision LIMITED 4,096
133.117.80.0/20 AS18094 Tokyo Cable Network.,Inc. 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

Hosted domains

There are 5 domain names hosted across 5 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
133.72.68.70 ku-disc.cf 2
133.72.21.56 ntn.org 1
133.72.36.4 himoji.jp 1
133.72.3.7 kanagawa-u.ac.jp 1
133.72.1.4 kanagawa-u.ac.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

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

IP Address ASN Details
133.72.243.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.60ms from Tokyo, JP
133.72.3.100 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.36ms from Tokyo, JP
133.72.131.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.69ms from Tokyo, JP
133.72.122.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.62ms from Tokyo, JP
133.72.126.168 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.39ms from Tokyo, JP
133.72.89.73 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.48ms from Tokyo, JP
133.72.91.195 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.53ms from Tokyo, JP
133.72.76.129 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.60ms from Tokyo, JP
133.72.68.70 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.75ms from Tokyo, JP
133.72.87.5 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.50ms from Tokyo, JP
133.72.1.4 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.19ms from Tokyo, JP
133.72.227.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.28ms from Tokyo, JP
133.72.246.129 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.60ms from Tokyo, JP
133.72.90.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.61ms from Tokyo, JP
133.72.88.198 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.40ms from Tokyo, JP
133.72.254.131 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.50ms from Tokyo, JP
133.72.245.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.62ms from Tokyo, JP
133.72.75.129 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.63ms from Tokyo, JP
133.72.78.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.57ms from Tokyo, JP
133.72.92.130 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.55ms 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
47.39.130.0 AS20115 Charter Communications LLC 15.44ms from Atlanta, US
121.193.221.176 AS4538 China Education and Research Network Center 17.40ms from Beijing, CN
60.30.231.160 AS4837 CHINA UNICOM China169 Backbone 9.04ms from Beijing, CN
98.217.77.144 AS7922 Comcast Cable Communications, LLC 7.68ms from Boston, US
112.113.96.0 AS4134 CHINANET-BACKBONE 8.12ms from Kunming, CN
60.16.143.192 AS4837 CHINA UNICOM China169 Backbone 8.53ms from Liaoyang, CN
54.192.217.208 AS16509 Amazon.com, Inc. 0.28ms from Marseille, FR
213.242.45.96 AS12389 PJSC Rostelecom 17.56ms from Moscow, RU
125.13.17.16 AS9824 JCOM Co., Ltd. 18.87ms from Osaka, JP
76.27.197.16 AS7922 Comcast Cable Communications, LLC 7.70ms from Portland, US
31.189.32.144 AS24608 WIND TRE S.P.A. 11.87ms from Rome, IT
121.127.86.112 AS9756 SK Broadband Co Ltd 3.02ms from Seoul, KR
179.133.79.160 AS26599 TELEFÔNICA BRASIL S.A 2.06ms from São Paulo, BR
37.15.71.128 AS12479 Orange Espagne SA 5.91ms from Zaragoza, ES
34.218.24.0 AS16509 Amazon.com, Inc. 0.13ms from Boardman, US
182.132.55.192 AS4134 CHINANET-BACKBONE 13.16ms from Chengdu, CN
99.47.131.224 AS7018 AT&T Enterprises, LLC 17.27ms from Chicago, US
168.61.149.208 AS8075 Microsoft Corporation 0.35ms from Des Moines, US
74.241.196.0 AS8075 Microsoft Corporation 0.22ms from Gaevle, SE
46.162.115.128 AS29518 Bredband2 AB 11.54ms from Hamburg, DE
62.42.111.16 AS6739 VODAFONE ONO, S.A. 9.65ms from Madrid, ES
47.192.219.208 AS5650 Frontier Communications of America, Inc. 11.42ms from Miami, US
223.216.52.80 AS4713 NTT DOCOMO BUSINESS,Inc. 6.63ms from Osaka, JP
191.183.144.128 AS28573 Claro NXT Telecomunicacoes Ltda 6.28ms from Osasco, BR
90.84.15.32 AS2280 Orange S.A. 0.97ms from Paris, FR

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 133.72.241.120
traceroute to 133.72.241.120 (133.72.241.120): 10 hops max, 52 byte packets
5 [] 101.203.89.206 2.512 ms
6 [AS2907] 150.99.12.70 4.015 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Tokyo, JP
On

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.

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