1. All IP Ranges
  2. 103.0.0.0/8
  3. 103.21.0.0/16
  4. AS55933  | 103.21.136.0/23

103.21.136.0/23

AS55933  ·  Cloudie Limited

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Summary

Country New Zealand
Domain itaoyun.co.nz
ASN AS55933
Registry APNIC
ID ITAOYUN

WHOIS Details

inetnum:        103.21.136.0 - 103.21.136.255
netname:        ITAOYUN
descr:          ITAOYUN LIMITED
country:        NZ
admin-c:        ZTHL1-AP
tech-c:         ZTHL1-AP
abuse-c:        AZ414-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-ITAOYUN-NZ
mnt-irt:        IRT-ZZNET-CN
last-modified:  2023-01-09T06:56:20Z
source:         APNIC

irt:            IRT-ZZNET-CN
address:        Roan 900,North Huting Road,Shanghai,China
e-mail:         kelphon@itaoyun.co.nz
abuse-mailbox:  kelphon@itaoyun.co.nz
admin-c:        ZTHL1-AP
tech-c:         ZTHL1-AP
auth:           # Filtered
remarks:        kelphon@itaoyun.co.nz was validated on 2026-01-20
mnt-by:         MAINT-ITAOYUN-NZ
last-modified:  2026-01-20T23:43:49Z
source:         APNIC

role:           ABUSE ZZNETCN
country:        ZZ
address:        Roan 900,North Huting Road,Shanghai,China
phone:          +000000000
e-mail:         kelphon@itaoyun.co.nz
admin-c:        ZTHL1-AP
tech-c:         ZTHL1-AP
nic-hdl:        AZ414-AP
remarks:        Generated from irt object IRT-ZZNET-CN
remarks:        kelphon@itaoyun.co.nz was validated on 2026-01-20
abuse-mailbox:  kelphon@itaoyun.co.nz
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-20T23:44:15Z
source:         APNIC

role:           ZhongTong Telcommunications HK Limited administr
address:        11 Castlederg Drive
country:        NZ
phone:          +64272802834
e-mail:         abuse@itaoyun.co.nz
admin-c:        ZTHL1-AP
tech-c:         ZTHL1-AP
nic-hdl:        ZTHL1-AP
mnt-by:         MAINT-ZHONGTONG-HK
last-modified:  2022-05-30T09:20:06Z
source:         APNIC

route:          103.21.136.0/24
origin:         AS55933
descr:          Shanghai Zongzhi InfoTech Co.,Ltd Roan 900 North Huting Road
mnt-by:         MAINT-ITAOYUN-NZ
last-modified:  2022-10-23T15:39:33Z
source:         APNIC

Overlapping Ranges

BGP prefixes that are contained by 103.21.136.0/23

Range ASN Company Num of IPs
103.21.136.0/24 AS55933 ITAOYUN LIMITED 256
103.21.137.0/24 AS55933 LAZYCLOUD LTD 256

Nearby Ranges

BGP prefixes that overlap with 103.21.0.0/16

Range ASN Company Num of IPs
103.21.156.0/22 AS134141 B2B Wholesale Pty Ltd 1,024
103.21.60.0/22 AS131148 Bank Of Taiwan 1,024
103.21.216.0/22 AS9905 PT. LINKNET, 1,024
103.21.176.0/22 AS9808 China Mobile Communications Corporation 1,024
103.21.128.0/22 AS58927 M.D.G. IT Pty Ltd 1,024
103.21.48.0/22 AS58750 ThinkEx Holdings Pty Ltd 1,024
103.21.252.0/22 AS131310 PLTPRO Data Centre Sdn. Bhd. 1,024
103.21.120.0/22 AS131368 Petrovietnam oil corporation 1,024
103.21.40.0/22 AS58715 EarthTelcommunication 1,024
103.21.204.0/22 AS131746 PT. Medianusa Permana 1,024
103.21.116.0/22 AS55994 Shanghai ruisu Network Technology Co.,Ltd 1,024
103.21.140.0/22 AS4812 Shanghai Meicheng Technology Information Co.,Ltd. 1,024
103.21.140.0/22 AS4811 Shanghai Meicheng Technology Information Co.,Ltd. 1,024
103.21.84.0/22 AS45786 PT Hawk Teknologi Solusi 1,024
103.21.132.0/22 AS38835 Buroserv Australia Pty Ltd 1,024
103.21.124.0/22 AS132423 Powai 1,024
103.21.32.0/22 AS132434 Maxis Broadband Sdn Bhd 1,024
103.21.148.0/22 AS38732 CMC Telecom Infrastructure Company 1,024
103.21.0.0/22 AS38195 SUPERLOOP (AUSTRALIA) PTY LTD 1,024
103.21.200.0/22 AS38091 LG HelloVision Corp. 1,024
103.21.208.0/22 AS36352 Kaifeng Guochao E-commerce Co.Ltd. 1,024
103.21.60.0/22 AS3462 Bank Of Taiwan 1,024
103.21.184.0/22 AS132453 TRIPLE PLAY BROADBAND PRIVATE LIMITED 1,024
103.21.8.0/22 AS26658 UNIT 04, 7/F, BRIGHT WA, NO. 33 MONG KOK rd, kl, HK 1,024
103.21.152.0/22 AS24028 REDtone Marketing Sdn. Bhd. 1,024
103.21.240.0/22 AS16509 Amazon Connection Technology Services (Beijing) Co., LTD 1,024
103.21.236.0/22 AS12886 LEW TelNet GmbH 1,024
103.21.116.0/22 AS138950 Shanghai ruisu Network Technology Co.,Ltd 1,024
103.21.100.0/23 AS140807 CUU LONG INTERNATIONAL DEVELOPMENT SERVICES AND TRADING JOINT STOCK COMPANY 512
103.21.68.0/23 AS136290 COUNTRY ONLINE SERVICES 512
103.21.96.0/23 AS140807 AN ANH PHONG COMPANY LIMITED 512
103.21.222.0/23 AS149829 Dream View Cable Network 512
103.21.6.0/23 AS150069 CLOUDNET INTERNET SERVICE PVT LTD 512
103.21.70.0/23 AS150070 SPIRETEL TECHNOLOGIES PRIVATE LIMITED 512
103.21.58.0/23 AS394695 P.D.R Solutions FZC 512
103.21.28.0/23 AS54187 Eze Castle Integration, Inc. - ECINet 512
103.21.18.0/23 AS58714 19th Floor, Tower C and D, Building No. 14, DLF Cyber City, 512
103.21.80.0/24 AS6453 THALES DIS FRANCE SAS 256
103.21.233.0/24 AS131210 Yashtel 256
103.21.195.0/24 AS149967 PT Indonesia China Mobile 256
103.21.232.0/24 AS131210 Yashtel 256
103.21.12.0/24 AS9927 PhilCom Corporation 256
103.21.231.0/24 AS132468 Satsol C-Band Infrastructure and clients 256
103.21.52.0/24 AS203020 HostRoyale Technologies Pvt Ltd 256
103.21.138.0/24 AS21859 ITAOYUN LIMITED IPXO 256
103.21.230.0/24 AS132468 Satsol O3B Infrastructure and clients 256
103.21.187.0/24 AS132453 TRIPLEPLAY INTERACTIVE PVT. LTD. 256
103.21.193.0/24 AS132450 New Era IT Ltd 256
103.21.175.0/24 AS132449 ALBANY 256
103.21.208.0/24 AS36352 Kaifeng Guochao E-commerce Co.Ltd. 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

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

IP Address ASN Details
103.21.136.225 AS55933 Cloudie Limited 1.10ms from Hong Kong, HK

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
143.178.183.199 AS50266 Odido Netherlands B.V. 2.47ms from Amsterdam, NL
52.41.164.151 AS16509 Amazon.com, Inc. 0.20ms from Boardman, US
81.83.157.167 AS6848 Telenet BV 6.33ms from Brussels, BE
65.190.169.199 AS11426 Charter Communications Inc 11.13ms from Charlotte, US
78.34.208.23 AS8422 NetCologne Gesellschaft fur Telekommunikation mbH 1.95ms from Duesseldorf, DE
211.186.242.119 AS9318 SK Broadband Co Ltd 5.17ms from Incheon, KR
218.251.45.199 AS17511 OPTAGE Inc. 1.72ms from Osaka, JP
180.63.182.103 AS4713 NTT DOCOMO BUSINESS,Inc. 13.11ms from Osaka, JP
18.231.22.7 AS16509 Amazon.com, Inc. 0.16ms from Osasco, BR
222.11.5.215 AS2516 KDDI CORPORATION 5.00ms from Tokyo, JP
74.248.107.39 AS8075 Microsoft Corporation 0.14ms from Warsaw, PL
27.68.51.7 AS7552 Viettel Group 5.75ms from Ho Chi Minh City, VN
4.158.81.55 AS8075 Microsoft Corporation 0.20ms from London, GB
87.178.160.183 AS3320 Deutsche Telekom AG 4.21ms from Nuernberg, DE
178.74.39.247 AS2116 GLOBALCONNECT AS 19.17ms from Oslo, NO
91.168.107.247 AS12322 Free SAS 8.05ms from Paris, FR
108.249.25.151 AS7018 AT&T Enterprises, LLC 5.09ms from Redding, US
133.203.81.71 AS2518 BIGLOBE Inc. 2.06ms from Tokyo, JP
209.127.129.103 AS53848 Mountain Telephone 11.51ms from Atlanta, US
140.179.168.151 AS55960 Beijing Guanghuan Xinwang Digital 3.44ms from Beijing, CN
108.174.6.215 AS40793 LinkedIn Corporation 0.65ms from Dallas, US
49.65.159.215 AS4134 CHINANET-BACKBONE 2.05ms from Nanjing, CN
78.193.246.71 AS12322 Free SAS 1.15ms from Paris, FR
116.34.230.183 AS17858 LG POWERCOMM 1.79ms from Seoul, KR
118.57.223.215 AS4766 Korea Telecom 7.05ms from Seoul, KR

Traceroute

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

$
traceroute -a -n -q1 -f4 103.21.136.97
traceroute to 103.21.136.97 (103.21.136.97): 64 hops max, 52 byte packets
5 *
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Hong Kong, HK
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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