222.19.64.0/19

AS4538  ·  China Education and Research Network Center

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Summary

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

WHOIS Details

inetnum:        222.18.0.0 - 222.19.255.255
netname:        CDR-CERNET
descr:          China Education and Research Network
descr:          ChengDu 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:        CDR-CERNET
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:26Z
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

Nearby Ranges

BGP prefixes that overlap with 222.19.0.0/16

No nearby ranges found.

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
20.41.47.211 AS8075 Microsoft Corporation 0.32ms from Boydton, US
34.38.147.195 AS396982 Google LLC 0.15ms from Brussels, BE
192.225.244.3 AS394111 Foothills Rural Telephone Cooperative Corporation, Inc. 5.76ms from Columbus, US
131.165.175.3 AS6834 KMD A/S 2.08ms from Copenhagen, DK
52.48.127.67 AS16509 Amazon.com, Inc. 0.14ms from Dublin, IE
123.18.63.195 AS45899 VNPT Corp 2.72ms from Hanoi, VN
69.120.83.67 AS6128 Cablevision Systems Corp. 7.74ms from New York City, US
119.179.15.51 AS4837 CHINA UNICOM China169 Backbone 10.84ms from Qingdao, CN
64.118.111.51 AS14750 Sierra Tel Internet 13.31ms from San Jose, US
220.127.50.147 AS4766 Korea Telecom 1.58ms from Seoul, KR
13.63.81.227 AS16509 Amazon.com, Inc. 0.14ms from Stockholm, SE
90.191.26.67 AS3249 Telia Eesti AS 1.43ms from Tallinn, EE
161.202.130.211 AS36351 IBM Cloud 0.55ms from Tokyo, JP
210.20.185.99 AS9824 JCOM Co., Ltd. 11.54ms from Tokyo, JP
73.143.176.67 AS7922 Comcast Cable Communications, LLC 7.17ms from Boston, US
109.61.114.115 AS197248 Dravanet Co Ltd. 0.38ms from Budapest, HU
65.154.242.3 AS209 CenturyLink Communications, LLC 1.56ms from Denver, US
71.207.59.147 AS7922 Comcast Cable Communications, LLC 17.96ms from Flint, US
2.16.41.35 AS20940 Akamai International B.V. 0.24ms from Frankfurt am Main, DE
221.148.76.19 AS4766 Korea Telecom 1.01ms from Incheon, KR
91.203.12.3 AS34814 Osnova-Internet LLC 2.82ms from Kyiv, UA
2.98.25.179 AS13285 TalkTalk Communications Limited 2.54ms from Manchester, GB
93.180.62.99 AS2848 Federal State Budgetary Educational Institution of Higher Education Lomonosov Moscow State University 1.46ms from Moscow, RU
64.113.24.3 AS4213 Krypt Technologies 0.40ms from New York City, US
95.140.11.163 AS25540 Alphalink SASU 0.62ms from Paris, FR

Traceroute

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

$
traceroute -a -n -q1 -f6 -m15 222.19.78.240
traceroute to 222.19.78.240 (222.19.78.240): 15 hops max, 52 byte packets
8 *
9 *
10 *
11 *
12 [AS4538] 101.4.118.98 95.39 ms
13 *
14 *
15 *
Measurement taken from IPinfo ProbeNet in Shenzhen, CN
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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