AS Number
AS38345
AS Name
ZDNS
Org Name
Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
Country
China
Registry

apnic

RegDate

N/A

Updated

2021-06-16T01:29:54Z

AS38345 Looking Glass
IPv4Prefixes

26

IPv6Prefixes

11

IPv4 NUMs

6,912

IPv6 NUMs(/64)

720,896

6,912 IPv4 Addresses
CIDR Description IP Num
1.8.1.0/24
IRR Valid
KNET KNET Techonlogy (BeiJing) Co.,Ltd. 256
1.8.8.0/24
IRR Valid
KNET KNET Techonlogy (BeiJing) Co.,Ltd. 256
150.242.156.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
150.242.157.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
202.173.8.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
202.173.8.0/21
IRR Valid
KNET KNET Techonlogy (BeiJing) Co.,Ltd. 2048
202.173.9.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
202.173.10.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
202.173.11.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
202.173.14.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
202.173.15.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.20.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.21.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.22.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.23.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.24.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.25.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.26.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.27.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.28.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.29.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.30.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.99.31.0/24
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.119.80.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.119.81.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
203.119.83.0/24
IRR Parent Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 256
CIDR Description IP NUMs(prefix /64)
2401:8d00::/48
IRR Valid
KNET KNET Techonlogy (BeiJing) Co.,Ltd. 65536
2401:8d00:1::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:3::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:4::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:7::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:8::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:9::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:b::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:c::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:f::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
2401:8d00:10::/48
IRR Valid
ZDNS Internet Domain Name System Beijing Engineering Resrarch Center Ltd. 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,265,792 237,435,813,888 IPv4 IPv4 IPv6 IPv6
AS47869 NETROUTING-AS - Ellada Projects B.V. trading as Netrouting, NL Netherlands 37,376 12,885,229,568 IPv4 IPv4 IPv6 IPv6
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 388,096 17,196,908,544 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 23,808 4,294,967,296 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - ANYCAST HOLDINGS PTY LTD, AU Australia 8,192 4,294,967,296 IPv6 IPv6
AS4641 HKIX-AS-AP - The Hong Kong Internet Exchange Limited, HK Hong Kong 12,288 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS7497 CSTNET-AS-AP - Computer Network Information Center, CN China 744,960 77,309,411,328 IPv4 IPv4 IPv6 IPv6
AS4635 HKIX-RS1 - The Hong Kong Internet Exchange Limited, HK Hong Kong 0 0 IPv6 IPv6
AS38008 APERTURE-AS-AP - Aperture Science Limited, HK Hong Kong 2,560 4,612,685,824 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS20144 IMRS - ICANN, US United States 1,792 524,288 IPv4 IPv4
IP Address Domain NUMs Domains
1.8.1.8 20 3470.com
as-block:       AS37888 - AS38911
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC


as-block:       AS38335  - AS38384
descr:          CNNIC ASN block
country:        CN
remarks:        These AS numbers are further assigned by CNNIC
remarks:        to CNNIC members and end-users in China
admin-c:        IPAS1-AP
tech-c:         IPAS1-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNNIC-AP
last-modified:  2008-09-04T06:40:26Z
source:         APNIC

role:           CNNIC IPAS CONFEDERATION
address:        No.4, Zhongguancun No.4 South Street,
address:        Haidian District, Beijing
country:        CN
phone:          +86-010-58813000
fax-no:         +86-010-58813075
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        IPAS1-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2013-09-12T07:40:01Z
source:         APNIC



aut-num:        AS38345
as-name:        ZDNS
descr:          Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
descr:          4,South 4th treet, Zhongguancun,Haidian District,Beijing
country:        CN
import:         from AS4538 action pref=100; accept ANY
import:         from AS4641 action pref=100; accept ANY
import:         from AS4635 action pref=100; accept ANY
import:         from AS7497 action pref=100; accept ANY
import:         from AS6939 action pref=100; accept ANY
export:         to AS4538 announce AS38345
export:         to AS4641 announce AS38345
export:         to AS4635 announce AS38345
export:         to AS7497 announce AS38345
export:         to AS6939 announce AS38345
admin-c:        XZ4638-AP
tech-c:         WL1818-AP
abuse-c:        AC1601-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-CNNIC-CN
last-modified:  2021-06-16T01:29:54Z
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:  2021-06-16T01:39:57Z
source:         APNIC

role:           ABUSE CNNICCN
address:        Beijing, China
country:        ZZ
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:  2020-05-14T11:19:01Z
source:         APNIC

person:         Wenzhe Lu
address:        4,South 4th treet, Zhongguancun,Haidian District,Beijing
country:        CN
phone:          +86-010-58813017
fax-no:         +86-010-58812666-126
e-mail:         lwz@knet.cn
nic-hdl:        WL1818-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2011-03-16T03:32:02Z
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