218.251.0.0/17

AS17511  ·  OPTAGE Inc.

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Summary

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

WHOIS Details

inetnum:        218.251.0.0 - 218.251.127.255
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 : abuse@optage.co.jp
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
mnt-lower:      MAINT-JPNIC
last-modified:  2020-10-26T06:30:06Z
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 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:         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

inetnum:        218.251.0.0 - 218.251.127.255
netname:        K-Opticom-CIDR-BLK-JP
descr:          OPTAGE Inc.
remarks:        Email address for spam or abuse complaints : abuse@optage.co.jp
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:  2019-09-19T04:03:58Z
source:         JPNIC

Nearby Ranges

BGP prefixes that overlap with 218.251.0.0/16

Range ASN Company Num of IPs
218.251.128.0/17 AS23720 Rakuten Mobile Network, Inc. 32,768

Hosted domains

There are 68 domain names hosted across 50 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
218.251.124.221 tstrust.co.jp 14
218.251.76.66 heartcom.jp 2
218.251.116.243 xn--cckud5c4bg1854iotl.jp 2
218.251.113.72 shoge.com 2
218.251.49.7 unitec.tokyo 2
218.251.65.250 ameios.jp 2
218.251.116.65 familiar-ltd.com 1
218.251.117.136 upon.co.jp 1
218.251.97.105 town.mihama.wakayama.jp 1
218.251.74.2 kobelco-mea.com 1
218.251.124.219 787.jp 1
218.251.74.102 g-go.to 1
218.251.115.178 kid97.jp 1
218.251.112.133 webbibouroku.com 1
218.251.119.137 marucp.jp 1
218.251.117.148 sunshinetour.jp 1
218.251.63.21 unlimited-care.co.jp 1
218.251.80.249 xn--shinjuku-600mw259a.jp 1
218.251.112.93 shibusan-chi.com 1
218.251.126.38 ecoe.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

Pingable IPs

1,482 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
218.251.14.205 AS17511 OPTAGE Inc. 2.83ms from Osaka, JP
218.251.121.225 AS17511 OPTAGE Inc. 0.95ms from Osaka, JP
218.251.51.71 AS17511 OPTAGE Inc. 1.35ms from Osaka, JP
218.251.85.26 AS17511 OPTAGE Inc. 1.32ms from Osaka, JP
218.251.28.28 AS17511 OPTAGE Inc. 1.96ms from Osaka, JP
218.251.65.113 AS17511 OPTAGE Inc. 1.16ms from Osaka, JP
218.251.124.57 AS17511 OPTAGE Inc. 1.47ms from Osaka, JP
218.251.45.179 AS17511 OPTAGE Inc. 1.52ms from Osaka, JP
218.251.16.94 AS17511 OPTAGE Inc. 1.80ms from Osaka, JP
218.251.90.81 AS17511 OPTAGE Inc. 0.79ms from Osaka, JP
218.251.80.15 AS17511 OPTAGE Inc. 1.31ms from Osaka, JP
218.251.54.239 AS17511 OPTAGE Inc. 2.04ms from Osaka, JP
218.251.58.210 AS17511 OPTAGE Inc. 1.91ms from Osaka, JP
218.251.113.121 AS17511 OPTAGE Inc. 1.39ms from Osaka, JP
218.251.64.161 AS17511 OPTAGE Inc. 1.24ms from Osaka, JP
218.251.115.35 AS17511 OPTAGE Inc. 1.50ms from Osaka, JP
218.251.100.85 AS17511 OPTAGE Inc. 1.23ms from Osaka, JP
218.251.117.222 AS17511 OPTAGE Inc. 1.15ms from Osaka, JP
218.251.62.158 AS17511 OPTAGE Inc. 1.24ms from Osaka, JP
218.251.67.66 AS17511 OPTAGE Inc. 1.36ms from Osaka, JP
218.251.72.202 AS17511 OPTAGE Inc. 1.81ms from Osaka, JP
218.251.78.41 AS17511 OPTAGE Inc. 1.75ms from Osaka, JP
218.251.107.101 AS17511 OPTAGE Inc. 2.47ms from Osaka, JP
218.251.112.28 AS17511 OPTAGE Inc. 1.41ms from Osaka, JP
218.251.55.122 AS17511 OPTAGE Inc. 2.16ms 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
94.190.205.17 AS28685 Routit BV 0.79ms from Amsterdam, NL
13.81.1.161 AS8075 Microsoft Corporation 0.20ms from Amsterdam, NL
204.84.217.1 AS81 MCNC 9.96ms from Ashburn, US
60.195.235.1 AS4808 China Unicom Beijing Province Network 5.15ms from Beijing, CN
117.205.248.1 AS9829 National Internet Backbone 2.98ms from Bengaluru, IN
186.85.234.1 AS10620 Telmex Colombia S.A. 1.92ms from Bogota, CO
152.204.142.113 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 4.62ms from Bogotá, CO
86.124.21.225 AS8708 DIGI ROMANIA S.A. 0.59ms from Bucharest, RO
181.225.199.1 AS52251 NORTECH 2.56ms from Buenos Aires, AR
152.171.192.1 AS7303 Telecom Argentina S.A. 16.31ms from Buenos Aires, AR
129.21.60.161 AS4385 Rochester Institute of Technology 4.58ms from Buffalo, US
85.100.100.81 AS9121 Turk Telekomunikasyon Anonim Sirketi 7.07ms from Bursa, TR
156.222.187.81 AS8452 TE-AS 6.29ms from Cairo, EG
105.73.3.65 AS36884 Wana Corporate 2.44ms from Casablanca, MA
125.32.248.1 AS4837 CHINA UNICOM China169 Backbone 2.42ms from Changchun, CN
140.221.74.1 AS683 Argonne National Laboratory 1.30ms from Chicago, US
74.139.192.1 AS10796 Charter Communications Inc 2.64ms from Columbus, US
172.124.254.1 AS7018 AT&T Enterprises, LLC 14.15ms from Dallas, US
41.59.235.1 AS33765 TANZANIA TELECOMMUNICATIONS CO. LTD 16.20ms from Dar es Salaam, TZ
172.215.4.225 AS8075 Microsoft Corporation 0.49ms from Des Moines, US
174.138.129.65 AS32738 Hybrid Wireless Inc 2.65ms from Edmonton, CA
62.144.70.145 AS12312 ecotel communication ag 1.06ms from Frankfurt am Main, DE
188.219.170.129 AS30722 Fastweb SpA 4.11ms from Frosinone, IT
73.98.52.33 AS7922 Comcast Cable Communications, LLC 11.81ms from Greenwood Village, US
200.56.154.1 AS13999 Mega Cable, S.A. de C.V. 3.87ms from Guadalajara, MX

Traceroute

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

$
traceroute -a -n -q1 218.251.112.224
traceroute to 218.251.112.224 (218.251.112.224): 64 hops max, 52 byte packets
1 [AS15169] 142.251.60.112 106.324 ms
2 *
3 [AS17511] 61.205.118.21 116.998 ms
4 [AS17511] 203.140.81.210 117.101 ms
5 [AS17511] 121.83.169.46 119.208 ms
6 [AS17511] 218.251.90.122 117.307 ms
7 [AS17511] 59.190.130.129 118.338 ms
8 [AS17511] 218.251.112.224 119.589 ms
Measurement taken from IPinfo ProbeNet in Las Vegas, 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.

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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