128.27.0.0/16

AS17511 · OPTAGE Inc.

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Summary

Country	Japan
Domain	optage.co.jp
ASN	AS17511
Registry	APNIC
ID	K-OPTICOM

WHOIS Details

inetnum:        128.27.0.0 - 128.27.255.255
netname:        K-Opticom
descr:          OPTAGE Inc.
descr:          OPTAGE BLDG.,2-1-5 Shiromi,chuo-ku,Osaka 540-8622, Japan
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
status:         ALLOCATED PORTABLE
remarks:        Email address for spam or abuse complaints : [email protected]
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
mnt-lower:      MAINT-JPNIC
last-modified:  2020-10-26T06:30:04Z
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 2020-07-23
mnt-by:         MAINT-JPNIC
last-modified:  2022-06-14T04:26:58Z
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

inetnum:        128.27.0.0 - 128.27.255.255
netname:        K-Opticom-CIDR-BLK-JP
descr:          OPTAGE Inc.
remarks:        Email address for spam or abuse complaints : [email protected]
country:        JP
admin-c:        JP00014196
tech-c:         JP00014196
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
last-modified:  2019-09-19T04:02:01Z
source:         JPNIC

Nearby Ranges

BGP prefixes that overlap with 128.0.0.0/8

Range	ASN	Company	Num of IPs
128.78.0.0/15	AS5410	Bouygues Telecom SA	131,072
128.178.0.0/15	AS559	Ecublens Camp Net	131,072
128.130.0.0/15	AS679	Technische Universitaet Wien	131,072
128.121.0.0/16	AS2914	NTT America, Inc.	65,536
128.117.0.0/16	AS194	National Center for Atmospheric Research	65,536
128.55.0.0/16	AS2936	ESnet	65,536
128.36.0.0/16	AS29	Yale University	65,536
128.189.0.0/16	AS271	BCNET	65,536
128.49.0.0/16	AS22	Navy Network Information Center (NNIC)	65,536
128.102.0.0/16	AS270	National Aeronautics and Space Administration	65,536
128.8.0.0/16	AS27	University of Maryland	65,536
128.242.0.0/16	AS2914	NTT America, Inc.	65,536
128.157.0.0/16	AS270	National Aeronautics and Space Administration	65,536
128.183.0.0/16	AS270	National Aeronautics and Space Administration	65,536
128.158.0.0/16	AS270	National Aeronautics and Space Administration	65,536
128.159.0.0/16	AS270	National Aeronautics and Space Administration	65,536
128.143.0.0/16	AS225	University of Virginia	65,536
128.39.0.0/16	AS224	UNINETT backbone network	65,536
128.53.0.0/16	AS2514	NTT PC Communications,Inc.	65,536
128.170.0.0/16	AS243	L3Harris Technologies, Inc.	65,536
128.28.0.0/16	AS2514	NTT PC Communications,Inc.	65,536
128.18.0.0/16	AS264	SRI International	65,536
128.19.0.0/16	AS27064	DoD Network Information Center	65,536
128.241.0.0/16	AS2914	NTT America, Inc.	65,536
128.155.0.0/16	AS270	National Aeronautics and Space Administration	65,536
128.47.0.0/16	AS252	Headquarters, USAISC	65,536
128.151.0.0/16	AS20	University of Rochester	65,536
128.169.0.0/16	AS16989	The University of Tennessee Health Science Center	65,536
128.33.0.0/16	AS1856	RTX BBN Technologies, Inc.	65,536
128.253.0.0/16	AS26	Cornell University	65,536
128.186.0.0/16	AS2553	Florida State University	65,536
128.252.0.0/16	AS2552	Washington University	65,536
128.156.0.0/16	AS297	National Aeronautics and Space Administration	65,536
128.34.0.0/16	AS22	Navy Network Information Center (NNIC)	65,536
128.10.0.0/16	AS17	Purdue University	65,536
128.93.0.0/16	AS2200	Institut National de Recherche en Informatique et Automatique	65,536
128.211.0.0/16	AS17	Purdue University	65,536
128.100.0.0/16	AS239	University of Toronto	65,536
128.163.0.0/16	AS23162	University of Kentucky	65,536
128.233.0.0/16	AS22950	University of Saskatchewan	65,536
128.46.0.0/16	AS17	Purdue University	65,536
128.234.0.0/16	AS25019	Saudi Telecom Company JSC	65,536
128.32.0.0/16	AS25	University of California at Berkeley	65,536
128.98.0.0/16	AS24775	QinetiQ TIM	65,536
128.103.0.0/16	AS198949	Harvard University	65,536
128.217.0.0/16	AS270	National Aeronautics and Space Administration	65,536
128.206.0.0/16	AS26934	University of Missouri-Columbia	65,536
128.37.0.0/16	AS27064	Headquarters, USAISC	65,536
128.210.0.0/16	AS17	Purdue University	65,536
128.84.0.0/16	AS26	Cornell University	65,536

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
128.27.114.38	rinvite.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

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

IP Address	ASN	Details
128.27.79.120	AS17511 OPTAGE Inc.	`2.81ms` from Osaka, JP
128.27.46.206	AS17511 OPTAGE Inc.	`2.01ms` from Osaka, JP
128.27.52.53	AS17511 OPTAGE Inc.	`2.02ms` from Osaka, JP
128.27.97.40	AS17511 OPTAGE Inc.	`0.79ms` from Osaka, JP
128.27.28.237	AS17511 OPTAGE Inc.	`1.70ms` from Osaka, JP
128.27.29.131	AS17511 OPTAGE Inc.	`2.10ms` from Osaka, JP
128.27.114.87	AS17511 OPTAGE Inc.	`0.85ms` from Osaka, JP
128.27.96.65	AS17511 OPTAGE Inc.	`0.81ms` from Osaka, JP
128.27.50.84	AS17511 OPTAGE Inc.	`1.75ms` from Osaka, JP
128.27.112.29	AS17511 OPTAGE Inc.	`0.48ms` from Osaka, JP
128.27.113.1	AS17511 OPTAGE Inc.	`0.94ms` from Osaka, JP
128.27.54.38	AS17511 OPTAGE Inc.	`1.91ms` from Osaka, JP
128.27.55.89	AS17511 OPTAGE Inc.	`1.79ms` from Osaka, JP
128.27.77.205	AS17511 OPTAGE Inc.	`2.06ms` from Osaka, JP
128.27.47.6	AS17511 OPTAGE Inc.	`2.14ms` from Osaka, JP
128.27.78.29	AS17511 OPTAGE Inc.	`2.14ms` from Osaka, JP
128.27.49.209	AS17511 OPTAGE Inc.	`2.21ms` from Osaka, JP
128.27.75.118	AS17511 OPTAGE Inc.	`1.53ms` from Osaka, JP
128.27.99.97	AS17511 OPTAGE Inc.	`0.84ms` from Osaka, JP
128.27.53.115	AS17511 OPTAGE Inc.	`1.97ms` from Osaka, JP
128.27.48.169	AS17511 OPTAGE Inc.	`2.05ms` 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
4.157.176.64	AS8075 Microsoft Corporation	`0.57ms` from Ashburn, US
51.0.20.0	AS16509 Amazon.com, Inc.	`0.71ms` from Berlin, DE
77.13.60.176	AS6805 Telefonica Germany GmbH & Co.OHG	`5.18ms` from Berlin, DE
98.46.239.128	AS7922 Comcast Cable Communications, LLC	`5.97ms` from Chicago, US
61.73.34.128	AS4766 Korea Telecom	`1.40ms` from Seoul, KR
14.38.6.208	AS4766 Korea Telecom	`1.54ms` from Seoul, KR
124.165.19.48	AS4837 CHINA UNICOM China169 Backbone	`7.42ms` from Taiyuan, CN
115.190.122.224	AS137718 Beijing Volcano Engine Technology Co., Ltd.	`5.69ms` from Tianjin, CN
116.220.227.48	AS9824 JCOM Co., Ltd.	`17.78ms` from Tokyo, JP
166.117.224.224	AS16509 Amazon.com, Inc.	`0.04ms` from Bangkok, TH
179.12.97.208	AS27831 Colombia Móvil	`15.69ms` from Bogota, CO
84.1.161.240	AS5483 Magyar Telekom Plc.	`1.82ms` from Budapest, HU
172.209.97.128	AS8075 Microsoft Corporation	`1.56ms` from Cape Town, ZA
184.75.157.0	AS22379 Manifold Services Inc	`9.00ms` from Chicago, US
98.63.223.112	AS7922 Comcast Cable Communications, LLC	`6.33ms` from Chicago, US
98.239.50.64	AS7922 Comcast Cable Communications, LLC	`16.37ms` from Dallas, US
119.148.59.0	AS23923 Agni Systems Limited	`0.33ms` from Dhaka, BD
31.50.205.160	AS2856 British Telecommunications PLC	`6.15ms` from Erith, GB
83.192.44.32	AS3215 Orange S.A.	`6.45ms` from Frankfurt am Main, DE
79.216.67.144	AS3320 Deutsche Telekom AG	`5.60ms` from Frankfurt am Main, DE
171.235.149.96	AS7552 Viettel Group	`1.38ms` from Ho Chi Minh City, VN
86.158.226.16	AS2856 British Telecommunications PLC	`4.01ms` from London, GB
141.179.96.160	AS25019 Saudi Telecom Company JSC	`4.37ms` from Manama, BH
88.46.52.160	AS3269 Telecom Italia S.p.A.	`0.86ms` from Milan, IT
34.154.215.208	AS396982 Google LLC	`0.10ms` from Milan, IT

Traceroute

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

traceroute -a -n -q1 -m5 128.27.253.140

traceroute to 128.27.253.140 (128.27.253.140): 5 hops max, 52 byte packets

1 [AS15169] 74.125.251.87 48.309 ms

2 [AS17511] 203.140.81.164 51.576 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On December 6th 2025

What are IP address ranges?

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Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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