1. All IP Ranges
  2. 121.0.0.0/8
  3. 121.228.0.0/16
  4. AS140292  | 121.228.16.0/21

121.228.16.0/21

AS140292  ·  CHINATELECOM Jiangsu province Suzhou 5G network

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Summary

Country China
Domain chinatelecom.cn
ASN AS140292
Parent Range 121.224.0.0/12
Registry APNIC
ID CHINANET-JS

WHOIS Details

inetnum:        121.224.0.0 - 121.239.255.255
netname:        CHINANET-JS
descr:          CHINANET jiangsu province network
descr:          China Telecom
descr:          A12,Xin-Jie-Kou-Wai Street
descr:          Beijing 100088
country:        CN
admin-c:        CH93-AP
tech-c:         CJ186-AP
abuse-c:        AC1573-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CHINANET-JS
mnt-routes:     MAINT-CHINANET-JS
mnt-irt:        IRT-CHINANET-CN
last-modified:  2021-06-15T08:05:09Z
source:         APNIC

irt:            IRT-CHINANET-CN
address:        No.31 ,jingrong street,beijing
address:        100032
e-mail:         anti-spam@chinatelecom.cn
abuse-mailbox:  anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
auth:           # Filtered
remarks:        anti-spam@chinatelecom.cn was validated on 2025-11-13
mnt-by:         MAINT-CHINANET
last-modified:  2025-11-18T00:26:23Z
source:         APNIC

role:           ABUSE CHINANETCN
country:        ZZ
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +000000000
e-mail:         anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
nic-hdl:        AC1573-AP
remarks:        Generated from irt object IRT-CHINANET-CN
remarks:        anti-spam@chinatelecom.cn was validated on 2025-11-13
abuse-mailbox:  anti-spam@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-13T14:15:15Z
source:         APNIC

role:           CHINANET JIANGSU
address:        260 Zhongyang Road,Nanjing 210037
country:        CN
phone:          +86-25-87799222
e-mail:         jsipmanager@163.com
remarks:        send anti-spam reports tojsipmanager@163.com
remarks:        send abuse reports tojsipmanager@163.com
remarks:        times in GMT+8
remarks:        www.jsinfo.net
admin-c:        CH360-AP
tech-c:         CS306-AP
tech-c:         CN142-AP
nic-hdl:        CJ186-AP
notify:         jsipmanager@163.com
mnt-by:         MAINT-CHINANET-JS
last-modified:  2022-08-05T15:34:47Z
source:         APNIC

person:         Chinanet Hostmaster
nic-hdl:        CH93-AP
e-mail:         anti-spam@chinatelecom.cn
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +86-10-58501724
fax-no:         +86-10-58501724
country:        CN
mnt-by:         MAINT-CHINANET
last-modified:  2022-02-28T06:53:44Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 121.228.16.0/21

Range ASN Company Num of IPs
121.224.0.0/12 AS134756 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS134770 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS137697 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS137699 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS137702 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS140292 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS140293 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS146966 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS4134 CHINANET jiangsu province network 1,048,576

Nearby Ranges

BGP prefixes that overlap with 121.228.0.0/16

Range ASN Company Num of IPs
121.224.0.0/12 AS134756 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS134770 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS137697 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS137699 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS137702 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS140292 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS140293 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS146966 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS4134 CHINANET jiangsu province network 1,048,576

Hosted domains

There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
121.228.20.87 jsbank.space 1
121.228.21.178 pentest.work 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

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

IP Address ASN Details
121.228.20.10 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 6.76ms from Huai'an, CN
121.228.19.44 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 6.85ms from Huai'an, CN
121.228.16.105 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 6.81ms from Huai'an, CN
121.228.23.136 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 7.44ms from Huai'an, CN
121.228.22.76 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 6.98ms from Huai'an, CN
121.228.17.122 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 7.26ms from Huai'an, CN
121.228.21.31 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 7.00ms from Huai'an, CN
121.228.18.80 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 7.54ms from Huai'an, CN

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
67.216.157.21 AS400511 Clearwave Communications 4.69ms from Atlanta, US
104.6.217.229 AS7018 AT&T Enterprises, LLC 1.33ms from Atlanta, US
209.6.226.245 AS6079 RCN 4.74ms from Boston, US
2.83.138.213 AS3243 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 3.16ms from Braga, PT
78.129.126.213 AS12392 VOO S.A. 0.63ms from Brussels, BE
93.241.211.181 AS3320 Deutsche Telekom AG 5.03ms from Duesseldorf, DE
2.58.54.117 AS215341 Host-On Service Provider GmbH 0.35ms from Frankfurt am Main, DE
93.200.121.197 AS3320 Deutsche Telekom AG 2.99ms from Frankfurt am Main, DE
14.164.197.101 AS45899 VNPT Corp 2.26ms from Ho Chi Minh City, VN
27.69.166.149 AS7552 Viettel Group 16.82ms from Ho Chi Minh City, VN
83.218.14.101 AS15766 Domicilium (IOM) Limited 0.29ms from London, GB
65.42.187.37 AS7018 AT&T Enterprises, LLC 3.61ms from Miami, US
89.18.146.213 AS15930 WIPLINE, LLC 9.16ms from Moscow, RU
37.194.150.85 AS31200 Novotelecom Ltd 1.33ms from Novosibirsk, RU
189.108.30.69 AS10429 TELEFÔNICA BRASIL S.A 1.05ms from Osasco, BR
129.159.32.181 AS31898 Oracle Corporation 0.15ms from San Jose, US
74.95.193.149 AS7922 Comcast Cable Communications, LLC 5.66ms from San Jose, US
190.162.45.69 AS22047 VTR BANDA ANCHA S.A. 6.68ms from Santiago, CL
189.180.152.245 AS8151 UNINET 1.27ms from Santiago de Queretaro, MX
122.210.64.165 AS17506 ARTERIA Networks Corporation 0.64ms from Tokyo, JP
126.249.46.5 AS17676 SoftBank Corp. 1.09ms from Tokyo, JP
102.157.251.21 AS37705 TOPNET 1.65ms from Tunis, TN
89.172.19.181 AS5391 Hrvatski Telekom d.d. 1.87ms from Zagreb, HR
141.58.237.245 AS553 BelWue-Koordination 3.52ms from Zuerich, CH
178.253.212.133 AS28964 Orion Telekom Tim d.o.o.Beograd 1.20ms from Belgrade, RS

Traceroute

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

$
traceroute -a -n -q1 -f4 121.228.17.79
traceroute to 121.228.17.79 (121.228.17.79): 64 hops max, 52 byte packets
4 [AS4134] 218.2.39.53 2.244 ms
5 *
7 *
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Huai'an, CN
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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