219.158.32.0/20

AS4837 · CHINA UNICOM China169 Backbone

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Summary

Country	China
Domain	chinaunicom.cn
ASN	AS4837
Registry	APNIC
ID	CNCGROUP-BACKBONE

WHOIS Details

inetnum:        219.158.32.0 - 219.158.63.255
netname:        CNCGROUP-BACKBONE
country:        CN
descr:          Backbone of CNC group
admin-c:        CH444-AP
tech-c:         CH444-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-CNCGROUP
mnt-routes:     MAINT-CNCGROUP-RR
last-modified:  2008-09-04T07:01:29Z
source:         APNIC

person:         CNCGroup Hostmaster
nic-hdl:        CH444-AP
e-mail:         [email protected]
address:        No.21,Financial Street
address:        Beijing,100033,P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CN-CUCGROUP
last-modified:  2017-09-05T06:36:14Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 219.158.0.0/16

Range	ASN	Company	Num of IPs
219.158.128.0/17	AS4808	China Unicom Beijing province network	32,768

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

Read more

Pingable IPs

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

IP Address	ASN	Details
219.158.45.177	AS4837 CHINA UNICOM China169 Backbone	`1.38ms` from San Jose, US
219.158.43.21	AS4837 CHINA UNICOM China169 Backbone	`0.22ms` from Frankfurt am Main, DE
219.158.40.18	AS4837 CHINA UNICOM China169 Backbone	`1.86ms` from Beijing, CN
219.158.38.105	AS4837 CHINA UNICOM China169 Backbone	`0.21ms` from Frankfurt am Main, DE
219.158.32.209	AS4837 CHINA UNICOM China169 Backbone	`0.21ms` from Frankfurt am Main, DE
219.158.46.141	AS4837 CHINA UNICOM China169 Backbone	`2.44ms` from Shanghai, CN
219.158.44.46	AS4837 CHINA UNICOM China169 Backbone	`1.07ms` from Taipei, TW
219.158.37.149	AS4837 CHINA UNICOM China169 Backbone	`0.20ms` from Frankfurt am Main, DE
219.158.35.165	AS4837 CHINA UNICOM China169 Backbone	`0.21ms` from Frankfurt am Main, DE
219.158.39.2	AS4837 CHINA UNICOM China169 Backbone	`1.71ms` from Beijing, CN
219.158.42.238	AS4837 CHINA UNICOM China169 Backbone	`0.20ms` from Frankfurt am Main, DE
219.158.41.97	AS4837 CHINA UNICOM China169 Backbone	`0.35ms` from Frankfurt am Main, DE
219.158.36.161	AS4837 CHINA UNICOM China169 Backbone	`0.25ms` from Frankfurt am Main, DE
219.158.33.153	AS4837 CHINA UNICOM China169 Backbone	`0.23ms` from Frankfurt am Main, DE
219.158.34.93	AS4837 CHINA UNICOM China169 Backbone	`0.19ms` from Frankfurt am Main, DE

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
92.66.54.132	AS1136 KPN B.V.	`0.46ms` from Amsterdam, NL
87.229.108.20	AS202791 Clouvider Limited	`0.18ms` from Amsterdam, NL
97.128.252.132	AS6167 Verizon Business	`19.85ms` from Ashburn, US
172.200.175.52	AS8075 Microsoft Corporation	`1.11ms` from Boydton, US
90.204.17.68	AS5607 Sky UK Limited	`1.12ms` from London, GB
93.50.177.4	AS12874 Fastweb SpA	`1.31ms` from Milan, IT
67.247.126.84	AS12271 Charter Communications Inc	`4.52ms` from New York City, US
109.171.117.52	AS21127 Joint Stock Company TransTeleCom	`3.63ms` from Novosibirsk, RU
89.82.27.116	AS5410 Bouygues Telecom SA	`5.35ms` from Paris, FR
122.4.237.36	AS4134 CHINANET-BACKBONE	`4.50ms` from Qingdao, CN
3.82.107.212	AS14618 Amazon.com, Inc.	`0.41ms` from Reston, US
119.71.83.196	AS17858 LG POWERCOMM	`3.42ms` from Seoul, KR
121.161.73.84	AS4766 Korea Telecom	`1.74ms` from Seoul, KR
5.30.121.68	AS15802 Emirates Integrated Telecommunications Company PJSC	`3.62ms` from Dubai, AE
112.66.76.180	AS4134 CHINANET-BACKBONE	`1.17ms` from Haikou, CN
171.239.180.84	AS7552 Viettel Group	`0.99ms` from Ho Chi Minh City, VN
41.57.7.4	AS327688 Screamer Telecommunications	`3.66ms` from Johannesburg, ZA
195.88.73.228	AS48897 OOO KB Avia	`0.48ms` from Kharkiv, UA
81.17.96.20	AS51167 Contabo GmbH	`0.17ms` from Lauterbourg, FR
85.28.57.244	AS209372 WS Telecom Inc	`0.24ms` from London, GB
51.52.223.228	AS31655 Gamma Telecom Holdings Ltd	`4.16ms` from Manchester, GB
61.8.190.100	AS63134 Developpement Innovations Haut-Richelieu	`0.49ms` from Montreal, CA
50.28.107.4	AS53824 Liquid Web, L.L.C	`0.24ms` from Phoenix, US
73.193.109.84	AS7922 Comcast Cable Communications, LLC	`3.69ms` from Seattle, US
83.180.186.180	AS1257 Tele2 Sverige AB	`0.65ms` from Stockholm, SE

Traceroute

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

traceroute -a -n -q1 -f4 219.158.45.181

traceroute to 219.158.45.181 (219.158.45.181): 64 hops max, 52 byte packets

4 [AS7922] 50.248.116.137 2.31 ms

5 [AS4837] 219.158.45.181 2.883 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On January 30th 2026

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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