133.173.0.0/16

AS2497 · Internet Initiative Japan Inc.

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Summary

Country	Japan
Domain	nic.ad.jp
ASN	AS2497
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
133.175.0.0/16	AS2519	ARTERIA Networks Corporation	65,536
133.163.0.0/16	AS2510	FUJITSU LIMITED	65,536
133.112.0.0/16	AS2522	Japan Network Information Center	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
133.137.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.159.0.0/16	AS2497	Internet Initiative Japan 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
133.110.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.142.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.123.0.0/16	AS7522	STNet, Incorporated	65,536
133.236.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.218.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
133.237.0.0/16	AS23820	Rakuten Group, 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
133.186.128.0/17	AS45974	NHN Cloud Japan Corporation	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
133.165.192.0/18	AS17534	NSK Co.,Ltd.	16,384
133.186.64.0/18	AS131915	Hamamatsu Cable Television .Inc	16,384
133.247.0.0/18	AS131918	SHONAN CABLE NETWORK	16,384
133.32.0.0/18	AS2519	ARTERIA Networks Corporation	16,384
133.149.192.0/18	AS2519	ARTERIA Networks Corporation	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
133.149.128.0/18	AS4677	Marubeni OKI Network Solutions Inc.	16,384
133.226.64.0/19	AS7524	ITEC Hankyu Hanshin Co.,Ltd.	8,192
133.238.32.0/19	AS2497	IIJ Internet	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
133.32.224.0/19	AS2519	ARTERIA Networks Corporation	8,192
133.232.64.0/19	AS2514	INTERLINK 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
133.226.0.0/20	AS131934	ICC Corporation	4,096
133.232.96.0/20	AS2514	INTERLINK Co.,LTD	4,096
133.32.208.0/20	AS2519	ARTERIA Networks Corporation	4,096
133.226.160.0/20	AS17958	Kasaoka Cable Vision LIMITED	4,096
133.32.176.0/20	AS2519	ARTERIA Networks Corporation	4,096
133.226.16.0/20	AS23624	Chukai Television Co,.Ltd.	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
133.247.240.0/20	AS131923	MCAT Ltd.	4,096
133.226.32.0/20	AS10003	Ogaki Cable Television Co.,Inc.	4,096
133.247.112.0/20	AS131952	Asahikawa Cable Television Co., Ltd.	4,096
133.32.128.0/20	AS2519	ARTERIA Networks Corporation	4,096

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address	ASN	Details
133.173.203.11	AS2497 Internet Initiative Japan Inc.	`1.11ms` from Osaka, JP
133.173.3.11	AS2497 Internet Initiative Japan Inc.	`1.44ms` from Tokyo, JP
133.173.107.136	AS2497 Internet Initiative Japan Inc.	`254.35ms` from Lausanne, CH

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
117.13.122.0	AS4837 CHINA UNICOM China169 Backbone	`4.89ms` from Beijing, CN
117.200.101.144	AS9829 National Internet Backbone	`8.96ms` from Bengaluru, IN
34.208.197.208	AS16509 Amazon.com, Inc.	`0.15ms` from Boardman, US
130.44.178.240	AS6079 RCN	`3.69ms` from Boston, US
156.204.243.224	AS8452 TE-AS	`5.06ms` from Cairo, EG
107.207.36.192	AS7018 AT&T Enterprises, LLC	`6.96ms` from Chicago, US
77.12.177.96	AS6805 Telefonica Germany GmbH & Co.OHG	`3.45ms` from Frankfurt am Main, DE
125.124.230.128	AS58461 CT-HangZhou-IDC	`5.60ms` from Hangzhou, CN
85.100.119.48	AS47331 TTNet A.S.	`17.50ms` from Istanbul, TR
153.166.134.144	AS4713 NTT DOCOMO BUSINESS,Inc.	`8.85ms` from Osaka, JP
86.234.240.32	AS3215 Orange S.A.	`11.02ms` from Paris, FR
54.160.242.96	AS14618 Amazon.com, Inc.	`0.19ms` from Reston, US
107.140.235.160	AS7018 AT&T Enterprises, LLC	`12.64ms` from San Antonio, US
20.253.166.48	AS8075 Microsoft Corporation	`0.60ms` from San Jose, US
187.221.18.16	AS8151 UNINET	`3.75ms` from Santiago de Queretaro, MX
121.128.217.176	AS4766 Korea Telecom	`1.13ms` from Seoul, KR
174.173.211.144	AS7922 Comcast Cable Communications, LLC	`8.41ms` from Ashburn, US
172.127.12.176	AS7018 AT&T Enterprises, LLC	`17.16ms` from Atlanta, US
197.161.96.48	AS24863 Link Egypt (Link.NET)	`17.12ms` from Cairo, EG
65.30.9.48	AS10796 Charter Communications Inc	`6.99ms` from Chicago, US
24.152.11.0	AS270470 LN TELECOM	`15.21ms` from Curitiba, BR
97.139.31.80	AS6167 Verizon Business	`16.07ms` from Dallas, US
84.150.3.160	AS3320 Deutsche Telekom AG	`2.41ms` from Frankfurt am Main, DE
222.77.231.112	AS4134 CHINANET-BACKBONE	`4.28ms` from Fuzhou, CN
50.92.28.192	AS852 TELUS Communications Inc.	`15.48ms` from Kelowna, CA

Traceroute

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

traceroute -a -n -q1 -f4 -m9 133.173.149.95

traceroute to 133.173.149.95 (133.173.149.95): 9 hops max, 52 byte packets

4 [AS2497] 58.138.88.58 17.323 ms

5 [AS2497] 58.138.107.114 15.542 ms

6 [AS2497] 210.138.106.38 22.129 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Nagano, JP

On November 14th 2025

What are IP address ranges?

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