1. All IP Ranges
  2. 121.0.0.0/8
  3. 121.91.0.0/16
  4. AS146842  | 121.91.104.0/21

121.91.104.0/21

AS146842  ·  ChinaDataCom Corporation Limited

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Summary

Country China
Domain cndatacom.com
ASN AS146842
Registry APNIC
ID CDCL-CN

WHOIS Details

inetnum:        121.91.104.0 - 121.91.111.255
netname:        CDCL-CN
descr:          China Datacom Corporation Limited
country:        CN
org:            ORG-CDCL2-AP
admin-c:        CDCL4-AP
tech-c:         CDCL4-AP
abuse-c:        AC2504-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-CDCL-CN
mnt-routes:     MAINT-CDCL-CN
mnt-irt:        IRT-CDCL-CN
last-modified:  2021-11-11T23:37:06Z
source:         APNIC

irt:            IRT-CDCL-CN
address:        Block D, Creative Industry Park, No. 310 Yuangang Road, Tianhe District, Guangzhou Guangdong 510650
e-mail:         cdc_tdd@cndatacom.com
abuse-mailbox:  cdc_tdd@cndatacom.com
admin-c:        CDCL4-AP
tech-c:         CDCL4-AP
auth:           # Filtered
remarks:        cdc_tdd@cndatacom.com was validated on 2025-08-28
mnt-by:         MAINT-CDCL-CN
last-modified:  2025-11-18T00:34:58Z
source:         APNIC

organisation:   ORG-CDCL2-AP
org-name:       China Datacom Corporation Limited
org-type:       LIR
country:        CN
address:        Block D, Creative Industry Park, No. 310 Yuangang Road
phone:          +86-2087505360
e-mail:         cdc_tdd@cndatacom.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:37Z
source:         APNIC

role:           ABUSE CDCLCN
country:        ZZ
address:        Block D, Creative Industry Park, No. 310 Yuangang Road, Tianhe District, Guangzhou Guangdong 510650
phone:          +000000000
e-mail:         cdc_tdd@cndatacom.com
admin-c:        CDCL4-AP
tech-c:         CDCL4-AP
nic-hdl:        AC2504-AP
remarks:        Generated from irt object IRT-CDCL-CN
remarks:        cdc_tdd@cndatacom.com was validated on 2025-08-28
abuse-mailbox:  cdc_tdd@cndatacom.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-28T01:30:10Z
source:         APNIC

role:           China Datacom Corporation Limited administrator
address:        Block D, Creative Industry Park, No. 310 Yuangang Road, Tianhe District, Guangzhou Guangdong 510650
country:        CN
phone:          +86-2087505360
e-mail:         cdc_tdd@cndatacom.com
admin-c:        CDCL4-AP
tech-c:         CDCL4-AP
nic-hdl:        CDCL4-AP
mnt-by:         MAINT-CDCL-CN
last-modified:  2021-08-24T05:30:52Z
source:         APNIC

route:          121.91.104.0/21
origin:         AS146842
descr:          China Datacom Corporation Limited Block D, Creative Industry Park, No. 310 Yuangang Road
mnt-by:         MAINT-CDCL-CN
last-modified:  2022-06-17T07:37:23Z
source:         APNIC

Overlapping Ranges

BGP prefixes that are contained by 121.91.104.0/21

Range ASN Company Num of IPs
121.91.104.0/23 AS146842 CDC SAP CCEE AP CN 1 SHA 512
121.91.106.0/23 AS146842 CDC SAP CCEE AP CN 1A SHA3 512
121.91.108.0/23 AS146842 CDC SAP CCEE AP CN 1B SHA4 512
121.91.110.0/23 AS146842 CDC SAP CCEE AP CN 1 SHA 512

Nearby Ranges

BGP prefixes that overlap with 121.91.0.0/16

Range ASN Company Num of IPs
121.91.64.0/20 AS14374 Agri-Valley Services Corporation 4,096
121.91.16.0/20 AS16509 Amazon.com, Inc. 4,096
121.91.200.0/21 AS136907 HUAWEI INTERNATIONAL PTE. LTD. 2,048
121.91.152.0/21 AS136907 HUAWEI INTERNATIONAL PTE. LTD. 2,048
121.91.160.0/21 AS16509 Amazon.com, Inc. 2,048
121.91.144.0/21 AS16509 Amazon.com, Inc. 2,048
121.91.168.0/21 AS136907 HUAWEI INTERNATIONAL PTE. LTD. 2,048
121.91.96.0/23 AS9723 iseek Communications 512
121.91.104.0/23 AS146842 CDC SAP CCEE AP CN 1 SHA 512
121.91.106.0/23 AS146842 CDC SAP CCEE AP CN 1A SHA3 512
121.91.108.0/23 AS146842 CDC SAP CCEE AP CN 1B SHA4 512
121.91.110.0/23 AS146842 CDC SAP CCEE AP CN 1 SHA 512
121.91.57.0/24 AS138423 CMPak Public IPs 256
121.91.56.0/24 AS138423 CMPak Public IPs 256
121.91.42.0/24 AS59257 CMPak Public IPs 256
121.91.43.0/24 AS59257 CMPak Public IPs 256
121.91.199.0/24 AS9723 iseek Communications 256
121.91.200.0/24 AS136907 Huawei Cloud Thailand POP 256
121.91.205.0/24 AS136907 Huawei Cloud Thailand POP 256
121.91.204.0/24 AS136907 Huawei Cloud Thailand POP 256
121.91.201.0/24 AS136907 Huawei Cloud Thailand POP 256
121.91.32.0/24 AS59257 CMPak Public IPs 256
121.91.33.0/24 AS59257 CMPak Public IPs 256
121.91.34.0/24 AS59257 CMPak Public IPs 256
121.91.35.0/24 AS59257 CMPak Public IPs 256
121.91.36.0/24 AS59257 CMPak Public IPs 256
121.91.37.0/24 AS59257 CMPak Public IPs 256
121.91.38.0/24 AS59257 CMPak Public IPs 256
121.91.39.0/24 AS59257 CMPak Public IPs 256
121.91.40.0/24 AS59257 CMPak Public IPs 256
121.91.41.0/24 AS59257 CMPak Public IPs 256
121.91.60.0/24 AS138423 CMPak Public IPs 256
121.91.61.0/24 AS138423 CMPak Public IPs 256
121.91.62.0/24 AS138423 CMPak Public IPs 256
121.91.63.0/24 AS138423 CMPak Public IPs 256

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

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

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

IP Address ASN Details
121.91.107.129 AS146842 ChinaDataCom Corporation Limited 3.87ms from Shanghai, CN
121.91.105.17 AS146842 ChinaDataCom Corporation Limited 3.30ms from Shanghai, CN
121.91.111.193 AS146842 ChinaDataCom Corporation Limited 3.33ms from Shanghai, CN
121.91.110.97 AS146842 ChinaDataCom Corporation Limited 3.51ms from Shanghai, CN
121.91.106.74 AS146842 ChinaDataCom Corporation Limited 3.87ms from Shanghai, CN
121.91.109.172 AS146842 ChinaDataCom Corporation Limited 3.24ms from Shanghai, CN
121.91.108.86 AS146842 ChinaDataCom Corporation Limited 3.94ms from Shanghai, CN
121.91.104.105 AS146842 ChinaDataCom Corporation Limited 3.37ms from Shanghai, 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
79.128.214.101 AS6799 Ote SA (Hellenic Telecommunications Organisation) 1.02ms from Athens, GR
156.204.111.101 AS8452 TE-AS 2.47ms from Cairo, EG
173.194.200.5 AS15169 Google LLC 6.28ms from Dallas, US
137.116.245.69 AS8075 Microsoft Corporation 0.15ms from Dublin, IE
83.135.184.165 AS8881 1&1 Versatel GmbH 3.34ms from Duesseldorf, DE
121.125.150.21 AS9318 SK Broadband Co Ltd 1.88ms from Incheon, KR
89.212.108.53 AS34779 T-2, d.o.o. 2.13ms from Ljubljana, SI
58.69.11.229 AS9299 Philippine Long Distance Telephone Company 0.48ms from Manila, PH
79.161.125.197 AS29695 Lyse Tele AS 0.74ms from Oslo, NO
39.86.23.149 AS4837 CHINA UNICOM China169 Backbone 9.02ms from Qingdao, CN
115.13.163.21 AS4766 Korea Telecom 6.00ms from Seoul, KR
150.158.25.69 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.42ms from Shanghai, CN
212.112.170.213 AS12552 GlobalConnect AB 0.14ms from Stockholm, SE
128.168.77.149 AS36351 IBM Cloud 0.99ms from Tokyo, JP
50.72.55.85 AS6327 Shaw Communications 3.99ms from Winnipeg, CA
86.88.61.197 AS1136 KPN B.V. 1.94ms from Amsterdam, NL
54.190.203.85 AS16509 Amazon.com, Inc. 0.12ms from Boardman, US
181.53.133.5 AS10620 Telmex Colombia S.A. 16.90ms from Bogota, CO
200.43.9.5 AS7303 Telecom Argentina S.A. 1.24ms from Buenos Aires, AR
218.194.64.101 AS4538 China Education and Research Network Center 4.24ms from Chengdu, CN
182.78.72.5 AS9498 BHARTI Airtel Ltd. 0.82ms from Delhi, IN
18.203.233.213 AS16509 Amazon.com, Inc. 0.43ms from Dublin, IE
35.178.99.245 AS16509 Amazon.com, Inc. 0.13ms from London, GB
187.209.106.5 AS8151 UNINET 1.75ms from Monterrey, MX
178.75.93.101 AS12389 PJSC Rostelecom 10.17ms from Moscow, RU

Traceroute

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

$
traceroute -a -n -q1 -f8 121.91.111.68
traceroute to 121.91.111.68 (121.91.111.68): 64 hops max, 52 byte packets
8 [AS4812] 101.95.207.9 6.659 ms
9 [AS4812] 101.95.40.58 7.683 ms
10 [AS4812] 101.95.174.186 7.639 ms
11 *
12 *
13 *
14 *
16 *
Measurement taken from IPinfo ProbeNet in Shanghai, 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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