219.242.176.0/21

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 219.242.0.0/15
Registry APNIC
ID CERNET-CN

WHOIS Details

inetnum:        219.242.0.0 - 219.243.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Beijing Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:47Z
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

Overlapping Ranges

BGP prefixes that contain 219.242.176.0/21

Range ASN Company Num of IPs
219.242.0.0/15 AS4538 China Education and Research Network 131,072

Nearby Ranges

BGP prefixes that overlap with 219.242.0.0/16

Range ASN Company Num of IPs
219.242.0.0/15 AS4538 China Education and Research Network 131,072

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

Pingable IPs

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

IP Address ASN Details
219.242.177.4 AS4538 China Education and Research Network Center 2.85ms from Beijing, CN
219.242.176.1 AS4538 China Education and Research Network Center 3.27ms 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
98.87.141.197 AS14618 Amazon.com, Inc. 0.49ms from Ashburn, US
96.110.52.85 AS7922 Comcast Cable Communications, LLC 0.45ms from Ashburn, US
92.81.245.85 AS9050 Orange Romania S.A. 2.73ms from Bucharest, RO
105.209.157.197 AS16637 MTN SA 4.12ms from Cape Town, ZA
103.163.193.69 AS134276 Orbit Broadband 0.64ms from Chennai, IN
206.80.100.117 AS14230 ARK Data Centers LLC 6.01ms from Cleveland, US
84.238.44.117 AS33796 BOLIGNET-AARHUS F.M.B.A. 3.55ms from Copenhagen, DK
200.166.128.149 AS4230 CLARO S.A. 0.54ms from Fortaleza, BR
213.146.233.181 AS25579 SKYTRON Communications GmbH & Co KG 2.86ms from Frankfurt am Main, DE
90.101.220.197 AS3215 Orange S.A. 7.66ms from Frankfurt am Main, DE
113.160.93.117 AS45899 VNPT Corp 0.88ms from Hanoi, VN
86.132.249.21 AS2856 British Telecommunications PLC 6.93ms from London, GB
92.25.167.69 AS13285 TalkTalk Communications Limited 7.47ms from Manchester, GB
151.2.212.133 AS31655 Gamma Telecom Holdings Ltd 3.84ms from Manchester, GB
136.174.197.21 AS22498 Pinellas County Government 7.75ms from Miami, US
125.200.179.69 AS4713 NTT DOCOMO BUSINESS,Inc. 4.88ms from Osaka, JP
222.146.175.85 AS4713 NTT DOCOMO BUSINESS,Inc. 4.97ms from Osaka, JP
23.97.125.133 AS8075 Microsoft Corporation 0.64ms from Rio de Janeiro, BR
14.87.9.133 AS4766 Korea Telecom 1.79ms from Seoul, KR
124.255.33.181 AS4686 BEKKOAME INTERNET INC. 18.17ms from Tokyo, JP
220.180.4.69 AS4134 CHINANET-BACKBONE 6.45ms from Wuhan, CN
50.85.14.149 AS8075 Microsoft Corporation 0.28ms from Amsterdam, NL
70.21.14.133 AS701 Verizon Business 2.16ms from Ashburn, US
91.191.82.69 AS28952 O2 Business Services, a.s 12.68ms from Bratislava, SK
102.66.14.101 AS328471 HERO TELECOMS (PTY) LTD 11.43ms from Cape Town, ZA

Traceroute

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

$
traceroute -a -n -q1 -f5 -m11 219.242.183.0
traceroute to 219.242.183.0 (219.242.183.0): 11 hops max, 52 byte packets
5 [AS4538] 101.4.114.181 217.778 ms
6 *
7 *
8 [AS4538] 101.4.113.201 247.886 ms
9 *
10 *
11 *
Measurement taken from IPinfo ProbeNet in Hong Kong, HK
On

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