1. All IP Ranges
  2. 121.0.0.0/8
  3. 121.239.0.0/16
  4. AS140292  | 121.239.192.0/24

121.239.192.0/24

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:  2026-03-13T07:12:20Z
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 121.239.192.0/24

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 121.239.0.0/16

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 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

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

IP Address ASN Details
121.239.192.245 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 4.27ms from Nanjing, 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
54.145.207.40 AS14618 Amazon.com, Inc. 0.46ms from Ashburn, US
106.0.158.72 AS23974 Ministry of education 3.46ms from Bangkok, TH
34.212.181.104 AS16509 Amazon.com, Inc. 0.33ms from Boardman, US
172.86.70.248 AS14956 RouterHosting LLC 0.61ms from Frankfurt am Main, DE
121.199.41.120 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 4.71ms from Hangzhou, CN
31.126.55.104 AS2856 British Telecommunications PLC 5.76ms from London, GB
47.194.87.8 AS5650 Frontier Communications of America, Inc. 6.13ms from Miami, US
46.16.97.72 AS16345 PJSC "Vimpelcom" 15.59ms from Moscow, RU
85.68.21.232 AS15557 Societe Francaise Du Radiotelephone - SFR SA 8.78ms from Paris, FR
20.3.251.232 AS8075 Microsoft Corporation 0.70ms from Quincy, US
23.129.255.24 AS965 Webhosting Holdings LLC 0.23ms from Sao Paulo, BR
119.211.33.168 AS4766 Korea Telecom 1.89ms from Seoul, KR
1.230.175.120 AS9318 SK Broadband Co Ltd 1.52ms from Seoul, KR
59.108.124.40 AS4847 China Networks Inter-Exchange 19.07ms from Tianjin, CN
153.198.59.136 AS4713 NTT DOCOMO BUSINESS,Inc. 8.07ms from Tokyo, JP
14.134.10.8 AS4134 CHINANET-BACKBONE 2.91ms from Zhongwei, CN
73.4.103.136 AS7922 Comcast Cable Communications, LLC 6.53ms from Boston, US
187.69.250.40 AS22085 Claro S/A 16.32ms from Curitiba, BR
91.63.78.24 AS3320 Deutsche Telekom AG 3.61ms from Frankfurt am Main, DE
77.120.177.152 AS25229 Limited Liability Company "KYIVSKI TELEKOMUNIKATSIYNI MEREZHI" 0.85ms from Kharkiv, UA
81.84.140.56 AS2860 NOS COMUNICACOES, S.A. 6.53ms from Lisbon, PT
13.126.133.24 AS16509 Amazon.com, Inc. 0.13ms from Mumbai, IN
88.95.173.200 AS2119 Telenor Norge AS 5.53ms from Oslo, NO
83.146.149.88 AS58340 Napapiirin Kuituverkot Oy 14.81ms from Oulu, FI
3.107.239.232 AS16509 Amazon.com, Inc. 0.75ms from Sydney, AU

Traceroute

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

$
traceroute -a -n -q1 -f4 121.239.192.50
traceroute to 121.239.192.50 (121.239.192.50): 64 hops max, 52 byte packets
4 [AS4134] 218.2.16.89 2.95 ms
5 *
6 *
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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