43.251.4.0/22

AS4837  ·  CHINA UNICOM China169 Backbone

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Summary

Country China
Domain chinaunicom.cn
ASN AS4837
Registry APNIC
ID UNICOM-HI

WHOIS Details

inetnum:        43.251.4.0 - 43.251.7.255
netname:        UNICOM-HI
descr:          China Unicom Hainan province network
descr:          China Unicom
country:        CN
admin-c:        YZ225-AP
tech-c:         YZ225-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CUCGROUP
mnt-lower:      MAINT-CNCGROUP-HI
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2025-01-22T13:21:19Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
mnt-by:         MAINT-CNCGROUP
last-modified:  2025-11-18T00:26:20Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-17T02:26:56Z
source:         APNIC

person:         Ying Zhao
nic-hdl:        YZ225-AP
e-mail:         zhy0607@public.ty.sx.cn
address:        Taiyuan Shanxi
phone:          +86-351-4091749
fax-no:         +86-351-4088347
country:        CN
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:30:24Z
source:         APNIC

route:          43.251.4.0/22
descr:          China Unicom CHINA169 Hainan Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2014-11-24T03:20:01Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 43.251.0.0/16

Range ASN Company Num of IPs
43.251.0.0/22 AS3320 FOSTERA DIGITAL S.R.L. 1,024
43.251.204.0/22 AS38794 United Information Highway Co.,Ltd. 1,024
43.251.52.0/22 AS38835 Buroserv Australia Pty Ltd 1,024
43.251.244.0/22 AS9808 China Mobile Communications Corporation 1,024
43.251.104.0/22 AS132839 UNIT 04,7/F,BRIGHT WAY,TOWER NO. 33 MONG KOK ROAD 1,024
43.251.24.0/22 AS9381 HKBN Enterprise Solutions HK Limited 1,024
43.251.20.0/22 AS9381 HKBN Enterprise Solutions HK Limited 1,024
43.251.196.0/22 AS9381 HKBN Enterprise Solutions HK Limited 1,024
43.251.140.0/22 AS9381 HKBN Enterprise Solutions HK Limited 1,024
43.251.204.0/22 AS134100 United Information Highway Co.,Ltd. 1,024
43.251.132.0/22 AS9381 HKBN Enterprise Solutions HK Limited 1,024
43.251.200.0/22 AS9268 Telarus Pty Ltd 1,024
43.251.144.0/22 AS55547 KRISHNAM REALCON BUILDERS PRIVATE LIMITED 1,024
43.251.60.0/22 AS131593 PEGATRON 1,024
43.251.36.0/22 AS4837 China Unicom Ningxia province network 1,024
43.251.180.0/22 AS16509 Amazon.com, Inc. 1,024
43.251.120.0/22 AS17598 LG HelloVision Corp. 1,024
43.251.108.0/22 AS17766 Nexon Asia Pacific Pty Ltd 1,024
43.251.88.0/22 AS45775 AKASHNET BROADBAND AND SERVICES PRIVATE LIMITED 1,024
43.251.84.0/22 AS45766 Md. Abdul Kayum Rashed t/a T-Network 1,024
43.251.224.0/22 AS401701 I LAYER LIMITED 1,024
43.251.44.0/22 AS208525 Science-Rainbow Technology(Hong Kong) Co., Limited 1,024
43.251.76.0/22 AS208525 3RD EYE ELECTRONICS CO., LIMITED 1,024
43.251.224.0/22 AS401696 I LAYER LIMITED 1,024
43.251.16.0/23 AS55933 HongKong Virtual Internal Server Company Limited 512
43.251.14.0/23 AS10099 China Unicom Global Limited 512
43.251.18.0/23 AS141201 Jabatan Digital Negara (JDN) 512
43.251.12.0/23 AS10099 China Unicom Global Limited 512
43.251.32.0/23 AS63849 Easy Tone Network Limited 512
43.251.160.0/24 AS207252 Realtox-Media 256
43.251.84.0/24 AS45766 Triangle-Client 256
43.251.85.0/24 AS45766 Triangle 256
43.251.86.0/24 AS45766 Triangle 256
43.251.87.0/24 AS45766 Triangle 256
43.251.185.0/24 AS202736 WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD. 256
43.251.155.0/24 AS45780 PABX SOLUTIONS New Zealand 256
43.251.187.0/24 AS142622 Bunny Communications LLC 256
43.251.67.0/24 AS136462 MT HK Hong Kong 256
43.251.184.0/24 AS5065 Bunny Communications LLC 256
43.251.186.0/24 AS5065 Bunny Communications LLC 256
43.251.66.0/24 AS136462 MT HK Hong Kong 256
43.251.157.0/24 AS55799 IPTelecom Global Network 256
43.251.158.0/24 AS55799 IPTelecom Global Network 256
43.251.159.0/24 AS55799 IPTelecom Global Network 256
43.251.106.0/24 AS132839 UNIT 04,7/F,BRIGHT WAY,TOWER NO. 33 MONG KOK ROAD 256
43.251.162.0/24 AS57433 intercolo GmbH 256
43.251.163.0/24 AS57433 intercolo GmbH 256
43.251.116.0/24 AS62468 Dragon Network Int'l Co. Ltd 256
43.251.117.0/24 AS62468 Dragon Network Int'l Co. Ltd 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

Pingable IPs

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

IP Address ASN Details
43.251.7.254 AS4837 CHINA UNICOM China169 Backbone 11.66ms from Guangzhou, CN
43.251.6.253 AS4837 CHINA UNICOM China169 Backbone 11.79ms from Guangzhou, 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
66.141.132.246 AS7018 AT&T Enterprises, LLC 1.35ms from Houston, US
151.231.48.150 AS5607 Sky UK Limited 8.06ms from London, GB
94.229.214.38 AS212238 Datacamp Limited 0.20ms from Miami, US
77.158.41.54 AS15557 Societe Francaise Du Radiotelephone - SFR SA 7.05ms from Paris, FR
20.83.105.182 AS8075 Microsoft Corporation 0.16ms from Quincy, US
3.209.47.166 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
159.0.209.22 AS25019 Saudi Telecom Company JSC 1.65ms from Riyadh, SA
23.216.230.246 AS16625 Akamai Technologies, Inc. 0.09ms from Santiago de Queretaro, MX
119.214.185.102 AS4766 Korea Telecom 1.74ms from Seoul, KR
110.42.135.38 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.49ms from Shanghai, CN
203.140.42.230 AS2519 ARTERIA Networks Corporation 1.61ms from Tokyo, JP
90.152.195.38 AS8562 A1 Telekom Austria AG 8.25ms from Vienna, AT
86.38.38.198 AS212046 UAB Mezon 0.55ms from Vilnius, LT
96.88.238.38 AS7922 Comcast Cable Communications, LLC 6.55ms from Ashburn, US
45.27.182.86 AS7018 AT&T Enterprises, LLC 1.65ms from Atlanta, US
181.235.132.22 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 8.17ms from Bogota, CO
52.251.62.230 AS8075 Microsoft Corporation 0.18ms from Boydton, US
102.184.141.118 AS24835 Vodafone Data 12.70ms from Cairo, EG
72.128.88.182 AS10796 Charter Communications Inc 6.72ms from Chicago, US
198.175.51.246 AS30664 Element Vehicle Management Services 3.70ms from Cleveland, US
198.2.4.6 AS397749 McLaren Macomb 7.83ms from Detroit, US
185.226.96.198 AS212140 Grenoble-Alpes Metropole EPCI 4.91ms from Geneve, CH
183.150.38.214 AS4134 CHINANET-BACKBONE 8.41ms from Hangzhou, CN
115.195.44.246 AS4134 CHINANET-BACKBONE 6.28ms from Hangzhou, CN
175.124.6.70 AS9318 SK Broadband Co Ltd 5.39ms from Incheon, KR

Traceroute

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

$
traceroute -a -n -q1 -f3 -m8 43.251.4.174
traceroute to 43.251.4.174 (43.251.4.174): 8 hops max, 52 byte packets
3 [AS3356] 4.17.32.102 32.111 ms
4 [AS4837] 219.158.6.89 151.793 ms
5 [AS4837] 219.158.19.90 151.989 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Casper, US
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.

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