133.3.0.0/16

AS2504 · Kyoto University

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Summary

Country	Japan
Domain	nic.ad.jp
ASN	AS2504
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
133.159.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.123.0.0/16	AS7522	STNet, Incorporated	65,536
133.237.0.0/16	AS23820	Rakuten Group, 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
133.175.0.0/16	AS2519	ARTERIA Networks Corporation	65,536
133.163.0.0/16	AS2510	FUJITSU LIMITED	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
133.137.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.112.0.0/16	AS2522	Japan Network Information Center	65,536
133.110.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.218.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.167.0.0/16	AS9371	SAKURA Internet Inc.	65,536
133.125.0.0/16	AS7684	SAKURA Internet Inc.	65,536
133.242.0.0/16	AS7684	SAKURA Internet Inc.	65,536
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
133.232.128.0/17	AS2514	NTT PC Communications,Inc.	32,768
133.186.128.0/17	AS45974	NHN Cloud Japan Corporation	32,768
133.130.128.0/17	AS2514	NTT PC Communications,Inc.	32,768
133.32.0.0/18	AS2519	ARTERIA Networks Corporation	16,384
133.149.192.0/18	AS2519	ARTERIA Networks Corporation	16,384
133.247.0.0/18	AS131918	SHONAN CABLE NETWORK	16,384
133.149.128.0/18	AS4677	Marubeni OKI Network Solutions Inc.	16,384
133.186.64.0/18	AS131915	Hamamatsu Cable Television .Inc	16,384
133.165.192.0/18	AS17534	NSK Co.,Ltd.	16,384
133.238.64.0/18	AS131958	TAMA CABLE NETWORK CO., LTD.	16,384
133.165.128.0/18	AS2527	Sony Network Communications Inc.	16,384
133.238.32.0/19	AS2497	IIJ Internet	8,192
133.226.64.0/19	AS7524	ITEC Hankyu Hanshin Co.,Ltd.	8,192
133.232.64.0/19	AS2514	INTERLINK Co.,LTD	8,192
133.32.224.0/19	AS2519	ARTERIA Networks Corporation	8,192
133.226.96.0/19	AS9997	CTY Co.,Ltd.	8,192
133.232.0.0/19	AS7682	DMG MORI Digital Co., LTD.	8,192
133.149.80.0/20	AS9354	Himawari Network Inc.	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
133.186.0.0/20	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
133.238.16.0/20	AS2497	IIJ Internet	4,096
133.32.128.0/20	AS2519	ARTERIA Networks Corporation	4,096
133.226.0.0/20	AS131934	ICC Corporation	4,096
133.32.176.0/20	AS2519	ARTERIA Networks Corporation	4,096
133.232.112.0/20	AS2514	INTERLINK Co.,LTD	4,096
133.88.48.0/20	AS23778	IMIZU CABLE NETWORK CO.,LTD.	4,096
133.226.160.0/20	AS17958	Kasaoka Cable Vision LIMITED	4,096
133.88.32.0/20	AS18281	Chitahanto Cable Network Corp.	4,096
133.226.16.0/20	AS23624	Chukai Television Co,.Ltd.	4,096

Hosted domains

There are 9 domain names hosted across 8 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
133.3.251.237	kuhp.net	2
133.3.249.29	mydatabase.jp	1
133.3.249.16	kikigengo.jp	1
133.3.249.21	nagaikigenki.com	1
133.3.5.50	dynamic-exciton.jp	1
133.3.5.36	mamitsukalab.org	1
133.3.251.162	majalahqalam.kyoto.jp	1
133.3.249.24	kakioka2026.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

Read more

Pingable IPs

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

IP Address	ASN	Details
133.3.134.133	AS2504 Kyoto University	`1.95ms` from Osaka, JP
133.3.142.1	AS2504 Kyoto University	`3.13ms` from Osaka, JP
133.3.60.1	AS2504 Kyoto University	`1.99ms` from Osaka, JP
133.3.18.23	AS2504 Kyoto University	`2.09ms` from Osaka, JP
133.3.48.16	AS2504 Kyoto University	`2.27ms` from Osaka, JP
133.3.197.39	AS2504 Kyoto University	`1.67ms` from Osaka, JP
133.3.130.104	AS2504 Kyoto University	`1.82ms` from Osaka, JP
133.3.242.12	AS2504 Kyoto University	`1.51ms` from Osaka, JP
133.3.249.78	AS2504 Kyoto University	`1.50ms` from Osaka, JP
133.3.201.251	AS2504 Kyoto University	`1.43ms` from Osaka, JP
133.3.254.6	AS2504 Kyoto University	`1.76ms` from Osaka, JP
133.3.146.42	AS2504 Kyoto University	`1.89ms` from Osaka, JP
133.3.69.31	AS2504 Kyoto University	`2.52ms` from Osaka, JP
133.3.143.17	AS2504 Kyoto University	`2.14ms` from Osaka, JP
133.3.52.93	AS2504 Kyoto University	`1.79ms` from Osaka, JP
133.3.244.5	AS2504 Kyoto University	`27.86ms` from Osaka, JP
133.3.247.65	AS2504 Kyoto University	`1.52ms` from Osaka, JP
133.3.46.130	AS2504 Kyoto University	`1.93ms` from Osaka, JP
133.3.251.209	AS2504 Kyoto University	`1.56ms` from Osaka, JP
133.3.140.25	AS2504 Kyoto University	`2.02ms` from Osaka, JP
133.3.245.6	AS2504 Kyoto University	`1.50ms` from Osaka, JP
133.3.5.60	AS2504 Kyoto University	`1.46ms` from Osaka, JP
133.3.2.198	AS2504 Kyoto University	`1.81ms` from Osaka, JP
133.3.14.50	AS2504 Kyoto University	`2.05ms` from Osaka, JP
133.3.32.9	AS2504 Kyoto University	`2.15ms` 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
20.153.19.160	AS8069 Microsoft Corporation	`3.82ms` from Amsterdam, NL
216.46.90.0	AS5650 Frontier Communications of America, Inc.	`0.46ms` from Ashburn, US
43.132.255.32	AS132203 Tencent Building, Kejizhongyi Avenue	`0.41ms` from Hong Kong, HK
113.255.231.128	AS9304 HGC Global Communications Limited	`1.34ms` from Hong Kong, HK
212.66.43.176	AS44539 Redi LLC	`10.21ms` from Krasnodar, RU
76.233.187.176	AS7018 AT&T Enterprises, LLC	`2.26ms` from Los Angeles, US
2.155.171.64	AS12430 VODAFONE ESPANA S.A.U.	`9.88ms` from Madrid, ES
222.84.231.240	AS4134 CHINANET-BACKBONE	`6.37ms` from Nanning, CN
108.61.75.128	AS20473 The Constant Company, LLC	`0.13ms` from Piscataway, US
39.66.76.96	AS4837 CHINA UNICOM China169 Backbone	`5.41ms` from Qingdao, CN
216.230.251.160	AS23394 Pacific Software Publishing, Inc.	`0.47ms` from Seattle, US
59.2.232.144	AS4766 Korea Telecom	`5.35ms` from Seoul, KR
49.187.185.176	AS4804 Microplex PTY LTD	`1.77ms` from Sydney, AU
209.102.131.0	AS19901 Brightspeed	`10.92ms` from Atlanta, US
45.32.212.208	AS20473 The Constant Company, LLC	`0.13ms` from Atlanta, US
101.20.65.176	AS4837 CHINA UNICOM China169 Backbone	`4.17ms` from Beijing, CN
173.186.71.112	AS7029 Windstream Communications LLC	`14.25ms` from Chicago, US
27.10.180.80	AS4837 CHINA UNICOM China169 Backbone	`6.16ms` from Chongqing, CN
98.34.199.16	AS7922 Comcast Cable Communications, LLC	`10.71ms` from Dallas, US
195.234.93.0	AS56911 Warian S.R.L.	`18.71ms` from Frosinone, IT
47.75.7.208	AS45102 Alibaba (US) Technology Co., Ltd.	`1.32ms` from Hong Kong, HK
90.210.56.16	AS5607 Sky UK Limited	`3.62ms` from London, GB
77.51.110.224	AS12389 PJSC Rostelecom	`1.67ms` from Moscow, RU
79.15.208.0	AS3269 Telecom Italia S.p.A.	`3.96ms` from Naples, IT
69.142.9.32	AS7922 Comcast Cable Communications, LLC	`6.89ms` from Newark, US

Traceroute

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

traceroute -a -n -q1 -f2 -m9 133.3.117.75

traceroute to 133.3.117.75 (133.3.117.75): 9 hops max, 52 byte packets

2 [AS30059] 70.36.35.1 1.492 ms

3 *

4 *

5 [AS6181] 216.68.14.176 0.984 ms

6 [AS6181] 216.68.14.61 6.531 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Cincinnati, US

On November 6th 2025

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