42.247.29.0/24

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Registry APNIC
ID NJR-CERNET

WHOIS Details

inetnum:        42.244.0.0 - 42.247.255.255
netname:        NJR-CERNET
descr:          China Education and Research Network
descr:          Nanjing Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
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-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:28Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Center,
address:        FIT-3-220, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-03-05T06:39:56Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Center,
address:        FIT-3-220, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2026-03-05
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T06:40:20Z
source:         APNIC

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC

route:          42.244.0.0/16
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2017-03-14T04:00:07Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 42.247.0.0/16

Range ASN Company Num of IPs
42.247.1.0/24 AS4538 Chengdu, Sichuan 610054, China 256
42.247.18.0/24 AS4538 Shanghai 200030, China 256
42.247.30.0/24 AS4538 Shenyang, Liaoning 110004, China 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Pingable IPs

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

IP Address ASN Details
42.247.29.2 AS4538 China Education and Research Network Center 3.92ms from Beijing, 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
3.145.170.24 AS16509 Amazon.com, Inc. 0.13ms from Columbus, US
27.126.177.232 AS38186 Forewin Telecom Group Limited, ISP at HK 1.43ms from Hong Kong, HK
212.96.65.24 AS48503 Tele2 Kazakhstan 0.43ms from Karagandy, KZ
172.234.5.56 AS63949 Akamai Connected Cloud 0.12ms from Morris Plains, US
69.244.114.40 AS7922 Comcast Cable Communications, LLC 9.02ms from Morris Plains, US
98.3.94.72 AS11351 Charter Communications Inc 19.26ms from Newark, US
221.144.101.136 AS4766 Korea Telecom 5.53ms from Seoul, KR
122.237.99.184 AS58461 CT-HangZhou-IDC 5.25ms from Shanghai, CN
120.71.152.24 AS4134 CHINANET-BACKBONE 1.72ms from UEruemqi, CN
77.166.130.24 AS1136 KPN B.V. 3.25ms from Amsterdam, NL
62.238.206.216 AS15435 DELTA Fiber Nederland B.V. 7.01ms from Amsterdam, NL
54.209.82.232 AS14618 Amazon.com, Inc. 0.54ms from Ashburn, US
179.36.144.88 AS22927 Telefonica de Argentina 2.13ms from Buenos Aires, AR
98.214.62.168 AS7922 Comcast Cable Communications, LLC 5.58ms from Chicago, US
157.241.42.72 AS16509 Amazon.com, Inc. 0.09ms from Manama, BH
96.126.107.248 AS63949 Akamai Connected Cloud 0.12ms from Morris Plains, US
84.51.114.248 AS29124 Iskratelecom JSC 1.15ms from Moscow, RU
180.134.145.88 AS9644 SK Telecom 3.69ms from Seoul, KR
20.89.159.184 AS8075 Microsoft Corporation 0.17ms from Tokyo, JP
194.87.220.56 AS210976 Timeweb, LLP 0.52ms from Amsterdam, NL
35.160.193.184 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
217.31.40.184 AS35328 DSI DATA, a. s. 6.37ms from Bratislava, SK
207.235.90.200 AS3356 Level 3 Parent, LLC 6.45ms from Dallas, US
65.102.211.184 AS209 CenturyLink Communications, LLC 3.50ms from Denver, US
84.134.156.8 AS3320 Deutsche Telekom AG 6.65ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f2 42.247.29.9
traceroute to 42.247.29.9 (42.247.29.9): 64 hops max, 52 byte packets
2 [AS749] 26.20.160.5 1.206 ms
3 *
4 [] 47.246.115.98 2.664 ms
5 [] 61.14.203.109 2.29 ms
6 *
7 [AS10099] 202.77.23.29 6.058 ms
8 [AS4837] 219.158.3.189 5.785 ms
9 *
10 *
11 *
12 [AS4538] 42.247.29.9 7.465 ms
Measurement taken from IPinfo ProbeNet in Hong Kong, HK
On

What are IP address ranges?

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