1. All IP Ranges
  2. 133.0.0.0/8
  3. 133.11.0.0/16
  4. AS2501  | 133.11.0.0/16

133.11.0.0/16

AS2501  ·  The University of Tokyo

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Summary

Country Japan
Domain nic.ad.jp
ASN AS2501
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 24 domain names hosted across 18 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
133.11.32.71 rnai.jp 3
133.11.114.10 xn--1lqy4i63fzrcba20m375bug0alb5c9glrja.jp 2
133.11.224.138 nutrigenomics.jp 2
133.11.87.57 nde.jp 2
133.11.157.58 qrs.jp 2
133.11.2.6 czon.jp 1
133.11.197.79 mayfairehome.com 1
133.11.86.142 junki.me 1
133.11.53.202 imai.am 1
133.11.51.203 synesthete.org 1
133.11.183.19 luigi-pathology.com 1
133.11.240.102 jrlresearch.org 1
133.11.123.50 xn--1lq68wkwbj6u.jp 1
133.11.240.193 sakamura-lab.org 1
133.11.27.155 computer-zoo.org 1
133.11.132.71 togodb.jp 1
133.11.143.253 hyperk.org 1
133.11.224.5 colabreaction.net 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

1,571 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
133.11.212.129 AS2501 The University of Tokyo 2.66ms from Tokyo, JP
133.11.36.10 AS2501 The University of Tokyo 1.40ms from Tokyo, JP
133.11.112.136 AS2501 The University of Tokyo 2.67ms from Tokyo, JP
133.11.183.50 AS2501 The University of Tokyo 1.95ms from Tokyo, JP
133.11.15.163 AS2501 The University of Tokyo 2.15ms from Tokyo, JP
133.11.17.79 AS2501 The University of Tokyo 2.02ms from Tokyo, JP
133.11.55.130 AS2501 The University of Tokyo 1.21ms from Tokyo, JP
133.11.127.66 AS2501 The University of Tokyo 1.39ms from Tokyo, JP
133.11.50.135 AS2501 The University of Tokyo 2.29ms from Tokyo, JP
133.11.231.145 AS2501 The University of Tokyo 2.06ms from Tokyo, JP
133.11.149.1 AS2501 The University of Tokyo 2.58ms from Tokyo, JP
133.11.18.215 AS2501 The University of Tokyo 2.11ms from Tokyo, JP
133.11.221.7 AS2501 The University of Tokyo 2.20ms from Tokyo, JP
133.11.138.247 AS2501 The University of Tokyo 1.39ms from Tokyo, JP
133.11.167.151 AS2501 The University of Tokyo 2.20ms from Tokyo, JP
133.11.152.8 AS2501 The University of Tokyo 2.21ms from Tokyo, JP
133.11.179.193 AS2501 The University of Tokyo 2.37ms from Tokyo, JP
133.11.182.208 AS2501 The University of Tokyo 1.98ms from Tokyo, JP
133.11.32.139 AS2501 The University of Tokyo 2.10ms from Tokyo, JP
133.11.240.7 AS2501 The University of Tokyo 1.84ms from Tokyo, JP
133.11.46.189 AS2501 The University of Tokyo 2.06ms from Tokyo, JP
133.11.5.64 AS2501 The University of Tokyo 2.03ms from Tokyo, JP
133.11.177.206 AS2501 The University of Tokyo 11.18ms from Tokyo, JP
133.11.178.1 AS2501 The University of Tokyo 1.41ms from Tokyo, JP
133.11.227.4 AS2501 The University of Tokyo 2.07ms 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
120.4.127.64 AS4837 CHINA UNICOM China169 Backbone 6.26ms from Beijing, CN
91.137.177.240 AS24822 OPC Networks Kft. 5.30ms from Budapest, HU
97.156.105.192 AS6167 Verizon Business 16.68ms from Chicago, US
90.125.153.32 AS3215 Orange S.A. 11.88ms from Frankfurt am Main, DE
167.160.77.96 AS64267 Sprious LLC 0.69ms from Los Angeles, US
35.211.78.16 AS15169 Google LLC 0.13ms from Moncks Corner, US
79.13.111.192 AS3269 Telecom Italia S.p.A. 14.88ms from Naples, IT
80.145.41.144 AS3320 Deutsche Telekom AG 2.06ms from Nuernberg, DE
60.93.11.16 AS17676 SoftBank Corp. 3.49ms from Osaka, JP
52.243.156.224 AS8075 Microsoft Corporation 1.38ms from San Antonio, US
201.186.80.48 AS14117 Telefonica del Sur S.A. 11.81ms from Santiago, CL
189.145.172.64 AS8151 UNINET 11.23ms from Santiago de Queretaro, MX
220.68.65.32 AS9970 Korea University of Technology and Education 3.15ms from Seoul, KR
75.98.183.64 AS12033 Adams TelSystems, Inc. 5.62ms from St. Louis, US
185.175.105.0 AS60806 "ZICOM NEXT" SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA 6.70ms from Warsaw, PL
92.99.190.64 AS5384 Emirates Internet 2.83ms from Al Fujairah City, AE
137.155.54.144 AS20115 Charter Communications LLC 0.75ms from Ashburn, US
107.180.8.0 AS400754 GoDaddy.com, LLC 0.65ms from Ashburn, US
162.216.140.32 AS135247 K Net Solutions Pvt Ltd 0.91ms from Chennai, IN
42.118.251.64 AS18403 FPT Telecom Company 1.32ms from Ho Chi Minh City, VN
81.2.97.240 AS20712 Andrews & Arnold Ltd 3.98ms from London, GB
79.14.12.0 AS3269 Telecom Italia S.p.A. 7.71ms from Milan, IT
31.39.121.64 AS5410 Bouygues Telecom SA 6.58ms from Paris, FR
176.173.50.96 AS5410 Bouygues Telecom SA 1.29ms from Paris, FR
218.57.46.224 AS4837 CHINA UNICOM China169 Backbone 9.93ms from Qingdao, CN

Traceroute

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

$
traceroute -a -n -q1 -m15 133.11.176.30
traceroute to 133.11.176.30 (133.11.176.30): 15 hops max, 52 byte packets
1 [AS15169] 66.249.95.81 143.376 ms
2 [AS15169] 142.251.66.206 145.416 ms
3 *
4 [AS2907] 150.99.11.32 154.896 ms
5 [AS2907] 150.99.190.98 155.275 ms
6 [AS2501] 133.11.206.154 154.886 ms
7 *
8 [AS2501] 133.11.130.114 159.512 ms
9 [AS2501] 133.11.130.217 160.365 ms
10 [AS2501] 133.11.130.169 155.842 ms
11 [AS2501] 133.11.130.210 158.781 ms
12 [AS2501] 157.82.254.251 156.484 ms
13 *
14 *
15 *
Measurement taken from IPinfo ProbeNet in Ashburn, US
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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