1. All IP Ranges
  2. 42.0.0.0/8
  3. 42.148.0.0/16
  4. AS9824  | 42.148.0.0/16

42.148.0.0/16

AS9824  ·  JCOM Co., Ltd.

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Summary

Country Japan
Domain jcom.co.jp
ASN AS9824
Parent Range 42.144.0.0/13
Registry APNIC
ID JTCL-JP

WHOIS Details

inetnum:        42.144.0.0 - 42.151.255.255
netname:        JTCL-JP
descr:          JCOM Co., Ltd.
country:        JP
org:            ORG-JTCL1-AP
admin-c:        JTCL2-AP
tech-c:         JTCL2-AP
abuse-c:        AJ428-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JTCL-JP
mnt-routes:     MAINT-JTCL-JP
mnt-irt:        IRT-JTCL-JP
last-modified:  2021-10-18T23:14:15Z
source:         APNIC

irt:            IRT-JTCL-JP
address:        1-2-1, Kamiogi, Suginami-ku
address:        Tokyo, Japan, 167-0043
e-mail:         abuse@home.ne.jp
abuse-mailbox:  abuse@home.ne.jp
admin-c:        JTCL2-AP
tech-c:         JTCL2-AP
auth:           # Filtered
remarks:        abuse@home.ne.jp was validated on 2025-11-11
mnt-by:         MAINT-JTCL-JP
last-modified:  2025-11-11T13:39:55Z
source:         APNIC

organisation:   ORG-JTCL1-AP
org-name:       JCOM Co., Ltd.
org-type:       LIR
country:        JP
address:        1-2-1, Kamiogi, Suginami-ku
address:        Tokyo, Japan, 167-0043
phone:          +81-3-4366-8870
fax-no:         +81-3-4366-8571
e-mail:         abuse@home.ne.jp
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:29Z
source:         APNIC

role:           ABUSE JTCLJP
country:        ZZ
address:        1-2-1, Kamiogi, Suginami-ku
address:        Tokyo, Japan, 167-0043
phone:          +000000000
e-mail:         abuse@home.ne.jp
admin-c:        JTCL2-AP
tech-c:         JTCL2-AP
nic-hdl:        AJ428-AP
remarks:        Generated from irt object IRT-JTCL-JP
remarks:        abuse@home.ne.jp was validated on 2025-11-11
abuse-mailbox:  abuse@home.ne.jp
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-11T13:40:10Z
source:         APNIC

role:           Jupiter Telecommunication Co Ltd administrator
address:        1-2-1, Kamiogi,Suginami-ku
address:        Tokyo, Japan, 167-0043
country:        JP
phone:          +81-3-6765-8000
e-mail:         abuse@home.ne.jp
admin-c:        JTCL2-AP
tech-c:         JTCL2-AP
nic-hdl:        JTCL2-AP
mnt-by:         MAINT-JTCL-JP
last-modified:  2025-07-01T05:25:52Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 42.148.0.0/16

Range ASN Company Num of IPs
42.144.0.0/13 AS9824 JCOM Co., Ltd. 524,288

Nearby Ranges

BGP prefixes that overlap with 42.0.0.0/8

Range ASN Company Num of IPs
42.224.0.0/12 AS4837 China Unicom Henan province network 1,048,576
42.16.0.0/12 AS9644 SK Telecom 1,048,576
42.32.0.0/12 AS9644 SK Telecom 1,048,576
42.144.0.0/13 AS9824 JCOM Co., Ltd. 524,288
42.176.0.0/13 AS4837 UNICOM Liaoning Province Network 524,288
42.112.0.0/13 AS18403 FPT Telecom Company 524,288
42.84.0.0/14 AS4837 UNICOM Liaoning Province Network 262,144
42.52.0.0/14 AS4837 UNICOM Liaoning Province Network 262,144
42.4.0.0/14 AS4837 UNICOM Liaoning Province Network 262,144
42.56.0.0/14 AS4837 UNICOM Liaoning Province Network 262,144
42.188.0.0/14 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 262,144
42.84.0.0/14 AS9929 UNICOM Liaoning Province Network 262,144
42.80.0.0/15 AS58542 CHINANET TIANJIN PROVINCE NETWORK 131,072
42.80.0.0/15 AS17638 CHINANET TIANJIN PROVINCE NETWORK 131,072
42.202.0.0/15 AS137688 CHINANET Liaoning province network 131,072
42.48.0.0/15 AS4837 China Unicom HuNan province network 131,072
42.242.0.0/15 AS4134 CHINANET YunNan PROVINCE NETWORK 131,072
42.202.0.0/15 AS4134 CHINANET Liaoning province network 131,072
42.2.0.0/15 AS4760 PCCW Limited 131,072
42.192.0.0/15 AS45090 Tencent cloud computing (Beijing) Co., Ltd. 131,072
42.242.0.0/15 AS134766 CHINANET YunNan PROVINCE NETWORK 131,072
42.202.0.0/15 AS134762 CHINANET Liaoning province network 131,072
42.63.0.0/16 AS4837 China Unicom Ningxia Province Network 65,536
42.82.0.0/16 AS9845 LG HelloVision Corp. 65,536
42.82.0.0/16 AS9698 LG HelloVision Corp. 65,536
42.82.0.0/16 AS9770 LG HelloVision Corp. 65,536
42.82.0.0/16 AS9697 LG HelloVision Corp. 65,536
42.98.0.0/16 AS4760 PCCW Limited 65,536
42.3.0.0/16 AS4760 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
42.200.0.0/16 AS4515 PCCW IMS Ltd (PCCW Business Internet Access) 65,536
42.3.0.0/16 AS4515 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
42.122.0.0/16 AS17638 CHINANET TIANJIN PROVINCE NETWORK 65,536
42.97.0.0/16 AS4134 CHINANET Jilin province network 65,536
42.2.0.0/16 AS4760 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
42.82.0.0/16 AS38091 LG HelloVision Corp. 65,536
42.82.0.0/16 AS38669 LG HelloVision Corp. 65,536
42.158.0.0/16 AS23724 21ViaNet(China),Inc. 65,536
42.159.0.0/16 AS58593 Shanghai Blue Cloud Technology Co.,Ltd 65,536
42.96.128.0/17 AS37963 Aliyun Computing Co., LTD 32,768
42.120.128.0/17 AS37963 Zhejiang Taobao Network Co.,Ltd 32,768
42.156.128.0/17 AS37963 Aliyun Computing Co., LTD 32,768
42.51.0.0/17 AS56005 Henan Telcom Union Technology Co., LTD 32,768
42.51.128.0/17 AS56005 Henan Telcom Union Technology Co., LTD 32,768
42.0.128.0/17 AS17789 LocalArea Communication of LangFang LTD. CO. 32,768
42.0.128.0/17 AS138449 LocalArea Communication of LangFang LTD. CO. 32,768
42.99.128.0/17 AS4637 Telstra Global Internet Services Network Blocks 32,768
42.194.128.0/17 AS45090 Tencent cloud computing (Beijing) Co., Ltd. 32,768
42.187.128.0/17 AS45090 Tencent cloud computing (Beijing) Co., Ltd. 32,768
42.83.0.0/18 AS18135 BTV CO., LTD. 16,384
42.99.0.0/18 AS139767 CHINANET Guangdong province network 16,384

Hosted domains

There are 4 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
42.148.156.39 bakusoumaru.com 1
42.148.72.6 kayamura.tokyo 1
42.148.26.137 y-dg.net 1

Hosted domains API

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Read more

Pingable IPs

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

IP Address ASN Details
42.148.41.227 AS9824 JCOM Co., Ltd. 9.10ms from Tokyo, JP
42.148.98.102 AS9824 JCOM Co., Ltd. 15.72ms from Tokyo, JP
42.148.139.6 AS9824 JCOM Co., Ltd. 10.58ms from Tokyo, JP
42.148.153.70 AS9824 JCOM Co., Ltd. 11.69ms from Tokyo, JP
42.148.114.177 AS9824 JCOM Co., Ltd. 20.66ms from Tokyo, JP
42.148.62.114 AS9824 JCOM Co., Ltd. 11.73ms from Tokyo, JP
42.148.189.116 AS9824 JCOM Co., Ltd. 11.79ms from Tokyo, JP
42.148.159.95 AS9824 JCOM Co., Ltd. 12.05ms from Tokyo, JP
42.148.16.1 AS9824 JCOM Co., Ltd. 2.65ms from Tokyo, JP
42.148.55.181 AS9824 JCOM Co., Ltd. 14.38ms from Tokyo, JP
42.148.79.200 AS9824 JCOM Co., Ltd. 27.39ms from Tokyo, JP
42.148.26.112 AS9824 JCOM Co., Ltd. 14.56ms from Tokyo, JP
42.148.33.165 AS9824 JCOM Co., Ltd. 12.92ms from Tokyo, JP
42.148.142.247 AS9824 JCOM Co., Ltd. 11.30ms from Tokyo, JP
42.148.109.47 AS9824 JCOM Co., Ltd. 14.96ms from Tokyo, JP
42.148.1.23 AS9824 JCOM Co., Ltd. 13.48ms from Tokyo, JP
42.148.101.163 AS9824 JCOM Co., Ltd. 16.80ms from Tokyo, JP
42.148.166.76 AS9824 JCOM Co., Ltd. 6.43ms from Tokyo, JP
42.148.111.62 AS9824 JCOM Co., Ltd. 16.57ms from Tokyo, JP
42.148.190.52 AS9824 JCOM Co., Ltd. 12.77ms from Tokyo, JP
42.148.174.84 AS9824 JCOM Co., Ltd. 12.85ms from Tokyo, JP
42.148.3.155 AS9824 JCOM Co., Ltd. 15.71ms from Tokyo, JP
42.148.75.240 AS9824 JCOM Co., Ltd. 28.45ms from Tokyo, JP
42.148.74.139 AS9824 JCOM Co., Ltd. 35.20ms from Tokyo, JP
42.148.71.8 AS9824 JCOM Co., Ltd. 26.50ms 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
47.14.217.208 AS20115 Charter Communications LLC 12.63ms from Ashburn, US
23.29.23.16 AS26265 46 Labs LLC 0.38ms from Atlanta, US
88.240.73.80 AS9121 Turk Telekomunikasyon Anonim Sirketi 9.05ms from Istanbul, TR
86.154.114.112 AS2856 British Telecommunications PLC 1.70ms from London, GB
190.28.220.48 AS13489 UNE EPM TELECOMUNICACIONES S.A. 2.31ms from Medellin, CO
180.51.160.240 AS4713 NTT DOCOMO BUSINESS,Inc. 3.33ms from Osaka, JP
88.170.24.144 AS12322 Free SAS 2.19ms from Paris, FR
88.124.159.240 AS12322 Free SAS 15.98ms from Paris, FR
107.20.232.192 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
73.189.192.192 AS7922 Comcast Cable Communications, LLC 7.57ms from San Jose, US
211.195.235.160 AS4766 Korea Telecom 4.34ms from Seoul, KR
95.198.237.96 AS3301 Telia Company AB 6.07ms from Stockholm, SE
111.249.167.224 AS3462 Data Communication Business Group 0.96ms from Taipei, TW
126.203.153.224 AS17676 SoftBank Corp. 2.87ms from Tokyo, JP
160.119.191.176 AS36924 GVA Cote d'Ivoire SAS 16.96ms from Accra, GH
35.162.50.224 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
70.73.129.144 AS6327 Shaw Communications 4.13ms from Calgary, CA
222.163.226.240 AS4837 CHINA UNICOM China169 Backbone 7.36ms from Changchun, CN
71.139.119.112 AS7018 AT&T Enterprises, LLC 7.47ms from Dallas, US
106.55.50.240 AS45090 Shenzhen Tencent Computer Systems Company Limited 2.14ms from Guangzhou, CN
213.105.94.64 AS5089 Virgin Media Limited 4.16ms from London, GB
94.2.207.48 AS5607 Sky UK Limited 8.85ms from London, GB
165.154.36.16 AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED 0.17ms from Los Angeles, US
172.213.203.128 AS8075 Microsoft Corporation 0.18ms from Milan, IT
218.54.40.144 AS9318 SK Broadband Co Ltd 5.68ms from Seoul, KR

Traceroute

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

$
traceroute -a -n -q1 -f3 42.148.4.201
traceroute to 42.148.4.201 (42.148.4.201): 64 hops max, 52 byte packets
3 [] 138.199.0.37 0.386 ms
4 *
5 [AS9824] 203.165.0.53 1.193 ms
6 *
7 *
8 *
9 [AS9824] 42.148.4.201 16.989 ms
Measurement taken from IPinfo ProbeNet in Tokyo, JP
On

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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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