222.28.224.0/20

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 222.28.0.0/14
Registry APNIC
ID BJR-CERNET

WHOIS Details

inetnum:        222.28.0.0 - 222.31.255.255
netname:        BJR-CERNET
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
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:23Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] was validated on 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-11-18T00:26:28Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2025-08-15
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
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:         [email protected]
remarks:        [email protected]
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 222.28.224.0/20

Range ASN Company Num of IPs
222.28.0.0/14 AS4538 China Education and Research Network 262,144

Nearby Ranges

BGP prefixes that overlap with 222.28.0.0/16

Range ASN Company Num of IPs
222.28.0.0/14 AS4538 China Education and Research Network 262,144

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

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

IP Address ASN Details
222.28.239.160 AS4538 China Education and Research Network Center 1.97ms 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
145.5.1.68 AS1103 SURF B.V. 3.55ms from Amsterdam, NL
94.189.233.68 AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o. 5.07ms from Belgrade, RS
128.2.37.132 AS9 Carnegie Mellon University 5.35ms from Cleveland, US
107.4.78.100 AS7922 Comcast Cable Communications, LLC 6.88ms from Flint, US
18.192.45.4 AS16509 Amazon.com, Inc. 0.46ms from Frankfurt am Main, DE
203.195.195.36 AS45090 Shenzhen Tencent Computer Systems Company Limited 2.02ms from Guangzhou, CN
117.52.86.164 AS3786 LG DACOM Corporation 0.98ms from Incheon, KR
166.104.237.52 AS9321 Hanyang University 1.96ms from Incheon, KR
67.225.137.180 AS32244 Liquid Web, L.L.C 0.25ms from Lansing, US
147.162.143.132 AS137 Consortium GARR 4.48ms from Milan, IT
47.18.216.228 AS6128 Cablevision Systems Corp. 1.83ms from New York City, US
190.166.16.212 AS6400 Compañía Dominicana de Teléfonos S. A. 6.01ms from Santo Domingo, DO
213.3.198.20 AS3303 Swisscom (Switzerland) Ltd 0.70ms from Zuerich, CH
31.14.129.100 AS31034 Aruba S.p.A. 0.27ms from Arezzo, IT
172.253.10.4 AS15169 Google LLC 0.23ms from Ashburn, US
34.145.180.180 AS396982 Google LLC 0.13ms from Ashburn, US
117.247.166.164 AS9829 National Internet Backbone 1.46ms from Chennai, IN
184.55.8.52 AS10796 Charter Communications Inc 10.57ms from Chicago, US
96.109.149.20 AS7922 Comcast Cable Communications, LLC 9.06ms from Dallas, US
20.98.185.116 AS8075 Microsoft Corporation 0.16ms from Des Moines, US
106.122.250.36 AS133774 Fuzhou 2.11ms from Fuzhou, CN
60.183.71.100 AS4134 CHINANET-BACKBONE 7.40ms from Hangzhou, CN
68.229.179.68 AS22773 Cox Communications Inc. 9.20ms from Kansas City, US
95.146.197.116 AS2856 British Telecommunications PLC 1.70ms from London, GB
45.50.89.20 AS20001 Charter Communications Inc 4.25ms from Los Angeles, US

Traceroute

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

$
traceroute -a -n -q1 -f4 -m14 222.28.238.34
traceroute to 222.28.238.34 (222.28.238.34): 14 hops max, 52 byte packets
4 [] 116.119.164.32 69.898 ms
5 [] 27.111.229.147 99.407 ms
6 *
7 [AS174] 38.150.75.1 116.426 ms
8 [AS4538] 101.4.114.181 139.157 ms
9 *
10 *
11 [AS4538] 101.4.116.94 134.677 ms
12 *
13 *
14 *
Measurement taken from IPinfo ProbeNet in Kolkata, IN
On

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