203.99.21.0/24

AS38345  ·  Internet Domain Name System Beijing Engineering Resrarch Center Ltd.

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Summary

Country China
Domain knet.cn
ASN AS38345
Registry APNIC
ID ZDNS

WHOIS Details

inetnum:        203.99.20.0 - 203.99.31.255
netname:        ZDNS
descr:          Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
descr:          4,South 4th street, Zhongguancun,Haidian District,Beijing
country:        CN
admin-c:        XZ4638-AP
tech-c:         XZ4638-AP
abuse-c:        AC1601-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-irt:        IRT-CNNIC-CN
last-modified:  2021-06-16T01:32:29Z
source:         APNIC

irt:            IRT-CNNIC-CN
address:        Beijing, China
e-mail:         ipas@cnnic.cn
abuse-mailbox:  ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
auth:           # Filtered
remarks:        Please note that CNNIC is not an ISP and is not
remarks:        empowered to investigate complaints of network abuse.
remarks:        Please contact the tech-c or admin-c of the network.
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-09-04T01:00:17Z
source:         APNIC

role:           ABUSE CNNICCN
country:        ZZ
address:        Beijing, China
phone:          +000000000
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        AC1601-AP
remarks:        Generated from irt object IRT-CNNIC-CN
abuse-mailbox:  ipas@cnnic.cn
mnt-by:         APNIC-ABUSE
last-modified:  2024-07-30T11:55:46Z
source:         APNIC

person:         Xing Zhijie
address:        4,South 4th street, Zhongguancun, Haidian District,Beijing
country:        CN
phone:          +86-010-58813342
e-mail:         xingzhijie@knet.cn
nic-hdl:        XZ4638-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2016-09-20T06:04:01Z
source:         APNIC

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

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

IP Address ASN Details
203.99.21.5 AS38345 Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 0.68ms from Madrid, ES

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
102.190.40.200 AS24835 Vodafone Data 5.26ms from Cairo, EG
93.202.152.40 AS3320 Deutsche Telekom AG 2.66ms from Hamburg, DE
95.112.10.200 AS6805 Telefonica Germany GmbH & Co.OHG 2.04ms from Hamburg, DE
2.241.194.40 AS6805 Telefonica Germany GmbH & Co.OHG 2.36ms from Hamburg, DE
31.214.234.8 AS199610 marbis GmbH 0.74ms from New York City, US
66.39.24.8 AS7859 pair Networks 0.14ms from Pittsburgh, US
44.212.106.40 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
13.125.87.232 AS16509 Amazon.com, Inc. 0.20ms from Seoul, KR
79.191.237.200 AS5617 Orange Polska Spolka Akcyjna 9.40ms from Warsaw, PL
121.45.140.216 AS7545 TPG Telecom Limited 1.86ms from Brisbane, AU
71.65.219.72 AS11426 Charter Communications Inc 11.04ms from Charlotte, US
117.205.113.232 AS9829 National Internet Backbone 10.70ms from Chennai, IN
37.197.80.248 AS1257 Tele2 Sverige AB 1.88ms from Copenhagen, DK
103.129.237.248 AS138205 RM NETWORK 0.51ms from Dhaka, BD
137.222.80.248 AS786 Jisc Services Limited 6.26ms from London, GB
124.170.204.184 AS4739 Internode Pty Ltd 1.41ms from Melbourne, AU
115.152.144.136 AS4134 CHINANET-BACKBONE 4.66ms from Nanchang, CN
93.4.137.8 AS15557 Societe Francaise Du Radiotelephone - SFR SA 5.55ms from Paris, FR
90.84.15.8 AS2280 Orange S.A. 1.37ms from Paris, FR
81.51.122.248 AS3215 Orange S.A. 6.54ms from Paris, FR
95.54.93.40 AS12389 PJSC Rostelecom 17.12ms from Saint Petersburg, RU
98.146.167.136 AS10838 Charter Communications Inc 9.90ms from Seattle, US
185.69.44.104 AS15830 Equinix (EMEA) Acquisition Enterprises B.V. 0.66ms from Stockholm, SE
49.176.118.184 AS4804 Microplex PTY LTD 2.53ms from Sydney, AU
60.65.21.136 AS17676 SoftBank Corp. 3.04ms from Tokyo, JP

Traceroute

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

$
traceroute -a -n -q1 -f3 203.99.21.5
traceroute to 203.99.21.5 (203.99.21.5): 64 hops max, 52 byte packets
3 [AS174] 149.6.153.129 18.439 ms
4 [AS174] 154.54.75.217 17.546 ms
5 [AS174] 154.54.60.130 26.262 ms
6 [AS174] 154.54.72.77 37.733 ms
7 [AS174] 154.54.57.229 45.215 ms
8 [AS174] 130.117.0.162 44.202 ms
9 [AS38345] 203.99.21.5 42.471 ms
Measurement taken from IPinfo ProbeNet in Tirana, AL
On

What are IP address ranges?

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