219.142.51.0/24

AS4847 · China Networks Inter-Exchange

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Summary

Country	China
Domain	bjtelecom.net
ASN	AS4847
Parent Range	219.142.0.0/17
Registry	APNIC
ID	AIR-CHINA

WHOIS Details

inetnum:        219.142.51.0 - 219.142.51.255
netname:        Air-China
country:        CN
descr:          No.16 Tianzhu West Road Airport Industrial District A Area ,Shunyi District, Beijing,P.R.China
admin-c:        HC55-AP
tech-c:         HC55-AP
status:         ASSIGNED NON-PORTABLE
changed:        bjnic@bjtelecom.net 20060509
mnt-by:         MAINT-CHINANET-BJ
source:         APNIC

person:         Hostmaster of Beijing Telecom corporation CHINA   TELECOM
nic-hdl:        HC55-AP
e-mail:         bjnic@bjtelecom.net
address:        Beijing Telecom
address:        No. 107 XiDan Beidajie, Xicheng District Beijing
phone:          +86-010-58503461
fax-no:         +86-010-58503054
country:        cn
changed:        bjnic@bjtelecom.net 20040115
mnt-by:         MAINT-CHINATELECOM-BJ
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 219.142.51.0/24

Range	ASN	Company	Num of IPs
219.142.0.0/17	AS4847	Beijing Kuanjie Net communication technology Ltd	32,768

Nearby Ranges

BGP prefixes that overlap with 219.142.0.0/16

Range	ASN	Company	Num of IPs
219.142.0.0/17	AS4847	Beijing Kuanjie Net communication technology Ltd	32,768
219.142.128.0/18	AS4847	BeiJing Telecom Broad Band Consumer	16,384
219.142.192.0/18	AS4847	Beijing Kuanjie Net communication technology Ltd	16,384
219.142.118.0/24	AS23724	Jing'an Center Idc,Chaoyang District, Beijing,P.R.China	256
219.142.91.0/24	AS4847	NO.15 Xisanqi Jiancai East Road,Haidian District,Beijing,P.R.China	256
219.142.78.0/24	AS23724	Jing'an Center Idc,Chaoyang District, Beijing,P.R.China	256
219.142.43.0/24	AS4847	Beijing Jianguomen street NO.6	256

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

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
160.179.249.248	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`16.25ms` from Casablanca, MA
89.41.79.72	AS8926 Moldtelecom SA	`2.97ms` from Chisinau, MD
76.158.181.56	AS7922 Comcast Cable Communications, LLC	`4.42ms` from Fremont, US
223.239.106.88	AS45609 Bharti Airtel Ltd. AS for GPRS Service	`15.23ms` from Kolkata, IN
79.206.74.72	AS3320 Deutsche Telekom AG	`3.53ms` from Nuernberg, DE
131.100.41.104	AS61754 I3 Telecomunicacoes - EIRELI	`0.27ms` from Osasco, BR
13.66.196.136	AS8075 Microsoft Corporation	`0.14ms` from Quincy, US
221.137.24.184	AS9812 Oriental Cable Network Co., Ltd.	`6.81ms` from Shanghai, CN
43.106.48.104	AS45102 Alibaba (US) Technology Co., Ltd.	`0.93ms` from Singapore, SG
124.163.126.88	AS4837 CHINA UNICOM China169 Backbone	`6.08ms` from Taiyuan, CN
122.135.163.56	AS2518 BIGLOBE Inc.	`9.90ms` from Tokyo, JP
119.100.28.24	AS4134 CHINANET-BACKBONE	`5.16ms` from Wuhan, CN
98.192.75.216	AS7922 Comcast Cable Communications, LLC	`1.35ms` from Atlanta, US
54.191.165.216	AS16509 Amazon.com, Inc.	`0.18ms` from Boardman, US
184.56.6.200	AS10796 Charter Communications Inc	`9.64ms` from Columbus, US
34.173.142.72	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
194.9.116.72	AS16509 Amazon.com, Inc.	`0.13ms` from Frankfurt am Main, DE
154.200.4.8	AS395793 Arisk Communications inc.	`0.60ms` from Ho Chi Minh City, VN
154.16.233.8	AS138997 Eons Data Communications Limited	`0.27ms` from Hong Kong, HK
207.246.93.120	AS20473 The Constant Company, LLC	`0.20ms` from Piscataway, US
4.254.56.152	AS8075 Microsoft Corporation	`0.64ms` from Sydney, AU
114.35.168.104	AS3462 Data Communication Business Group	`5.15ms` from Taichung, TW
111.165.19.216	AS4837 CHINA UNICOM China169 Backbone	`4.75ms` from Beijing, CN
141.135.252.168	AS6848 Telenet BV	`7.54ms` from Brussels, BE
172.76.185.248	AS5650 Frontier Communications of America, Inc.	`8.78ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f3 -m17 219.142.51.61

traceroute to 219.142.51.61 (219.142.51.61): 17 hops max, 52 byte packets

3 [AS749] 7.152.4.78 1.409 ms

4 [AS749] 7.152.10.126 1.815 ms

5 *

6 *

7 [AS147038] 60.164.37.17 0.752 ms

8 *

9 *

10 *

11 [AS4847] 124.127.60.210 25.64 ms

12 [AS4847] 219.142.9.210 21.866 ms

13 [AS4847] 219.142.9.209 26.734 ms

14 [AS4847] 219.142.9.210 27.75 ms

15 *

16 *

17 *

Measurement taken from

IPinfo ProbeNet in Qingyang, CN

On March 21st 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.

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