221.169.0.0/16

AS4780  ·  Digital United Inc.

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Summary

Country Taiwan
Domain du.net.tw
ASN AS4780
Registry APNIC
ID SEEDNET-NET

WHOIS Details

inetnum:        221.169.0.0 - 221.169.255.255
netname:        SEEDNET-NET
descr:          Digital United I
descr:          7F,220,gangchi road
descr:          Taipei Taiwan 114
country:        TW
admin-c:        CY74-AP
tech-c:         CY74-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
last-modified:  2021-11-04T00:49:47Z
source:         APNIC

irt:            IRT-TWNIC-AP
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
e-mail:         hostmaster@twnic.tw
abuse-mailbox:  hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
remarks:        Please note that TWNIC is not an ISP and is not empowered
remarks:        to investigate complaints of network abuse.
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-09-03T04:09:06Z
source:         APNIC

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox:  hostmaster@twnic.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

person:         Chyi-Chuan Yang
nic-hdl:        CY74-AP
e-mail:         ccyang@du.net.tw
address:        9F, 125, song jiang road
address:        Taipei, 104, R.O.C
phone:          +886-2-2737-7298
fax-no:         +886-2-2739-7512
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2010-05-31T07:38:02Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 221.0.0.0/8

Range ASN Company Num of IPs
221.240.0.0/12 AS17506 ARTERIA Networks Corporation 1,048,576
221.224.0.0/13 AS137702 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS132510 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS23650 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS137697 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS9808 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS134770 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS146966 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS139080 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS131325 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS138950 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS134756 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS140292 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS141425 China Mobile Communications Corporation 524,288
221.216.0.0/13 AS4808 China Unicom Beijing province network 524,288
221.176.0.0/13 AS56040 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS4809 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS24445 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS4134 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS56048 China Mobile Communications Corporation 524,288
221.176.0.0/13 AS56046 China Mobile Communications Corporation 524,288
221.176.0.0/13 AS56044 China Mobile Communications Corporation 524,288
221.176.0.0/13 AS56042 China Mobile Communications Corporation 524,288
221.184.0.0/13 AS4713 NTT DOCOMO BUSINESS,Inc. 524,288
221.124.0.0/14 AS9304 HGC Global Communications Limited 262,144
221.232.0.0/14 AS4134 CHINANET Hubei province network 262,144
221.232.0.0/14 AS58563 CHINANET Hubei province network 262,144
221.200.0.0/14 AS4837 China Unicom Liaoning Province Network 262,144
221.214.0.0/15 AS4837 China Unicom Shandong province network 131,072
221.130.0.0/15 AS9808 China Mobile Communications Corporation 131,072
221.170.0.0/15 AS2518 BIGLOBE Inc. 131,072
221.204.0.0/15 AS4837 China Unicom Shanxi Province Network 131,072
221.8.0.0/15 AS4837 China Unicom JILIN province network 131,072
221.130.0.0/15 AS56042 China Mobile Communications Corporation 131,072
221.130.0.0/15 AS56041 China Mobile Communications Corporation 131,072
221.119.0.0/16 AS2516 KDDI CORPORATION 65,536
221.213.0.0/16 AS4837 China Unicom Yunnan province network 65,536
221.206.0.0/16 AS4837 China Unicom Heilongjiang Province Network 65,536
221.6.0.0/16 AS140717 China Unicom Jiangsu province network 65,536
221.129.0.0/16 AS23841 TIANJIN BROADCAST & TV NETWORK CO. LTD 65,536
221.10.0.0/16 AS4837 China Unicom SiChuan province network 65,536
221.6.0.0/16 AS4837 China Unicom Jiangsu province network 65,536
221.137.0.0/16 AS9812 Oriental Cable Network Co., Ltd. 65,536
221.117.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.115.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.114.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.112.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.116.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.3.128.0/17 AS4837 China Unicom Yunnan province network 32,768

Hosted domains

There are 7 domain names hosted across 5 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
221.169.206.153 micro.tw 3

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

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

IP Address ASN Details
221.169.237.1 AS4780 Digital United Inc. 0.66ms from Taipei, TW
221.169.211.1 AS4780 Digital United Inc. 3.05ms from Taipei, TW
221.169.186.1 AS4780 Digital United Inc. 3.06ms from Taipei, TW
221.169.231.255 AS4780 Digital United Inc. 2.08ms from Taipei, TW
221.169.117.0 AS4780 Digital United Inc. 0.65ms from Taipei, TW
221.169.185.255 AS4780 Digital United Inc. 3.10ms from Taipei, TW
221.169.115.1 AS4780 Digital United Inc. 0.77ms from Taipei, TW
221.169.103.0 AS4780 Digital United Inc. 3.20ms from Taipei, TW
221.169.159.0 AS4780 Digital United Inc. 3.25ms from Taipei, TW
221.169.93.255 AS4780 Digital United Inc. 3.15ms from Taipei, TW

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
20.169.197.0 AS8075 Microsoft Corporation 0.45ms from Ashburn, US
196.21.233.96 AS37520 Rhodes University 12.44ms from Cape Town, ZA
34.31.52.64 AS396982 Google LLC 0.13ms from Council Bluffs, US
172.164.239.96 AS8075 Microsoft Corporation 0.91ms from Dubai, AE
108.128.243.192 AS16509 Amazon.com, Inc. 0.16ms from Dublin, IE
217.92.98.64 AS3320 Deutsche Telekom AG 4.62ms from Frankfurt am Main, DE
188.165.157.96 AS16276 OVH SAS 0.24ms from Gravelines, FR
93.207.51.240 AS3320 Deutsche Telekom AG 4.34ms from Hamburg, DE
178.151.156.16 AS13188 CONTENT DELIVERY NETWORK LTD 0.78ms from Kyiv, UA
116.140.188.112 AS4837 CHINA UNICOM China169 Backbone 5.68ms from Liaoyang, CN
86.14.47.224 AS5089 Virgin Media Limited 10.37ms from London, GB
15.157.11.128 AS16509 Amazon.com, Inc. 0.18ms from Montreal, CA
133.207.135.96 AS2518 BIGLOBE Inc. 9.08ms from Osaka, JP
68.106.245.112 AS22773 Cox Communications Inc. 7.33ms from Phoenix, US
44.193.95.64 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
31.132.62.16 AS10557 Connect Northwest Internet Services, LLC 0.22ms from Seattle, US
43.202.241.80 AS16509 Amazon.com, Inc. 0.14ms from Seoul, KR
221.166.64.240 AS4766 Korea Telecom 1.81ms from Seoul, KR
20.70.228.128 AS8075 Microsoft Corporation 0.69ms from Sydney, AU
61.199.150.96 AS4713 NTT DOCOMO BUSINESS,Inc. 3.05ms from Tokyo, JP
71.73.54.48 AS10796 Charter Communications Inc 12.95ms from Toronto, CA
50.101.196.224 AS577 Bell Canada 5.12ms from Toronto, CA
216.220.210.0 AS8075 Microsoft Corporation 0.20ms from Toronto, CA
99.234.119.64 AS812 Rogers Communications Canada Inc. 3.83ms from Toronto, CA
172.67.227.160 AS13335 Cloudflare, Inc. 0.14ms from Yerevan, AM

Traceroute

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

$
traceroute -a -n -q1 -f5 -m10 221.169.4.137
traceroute to 221.169.4.137 (221.169.4.137): 10 hops max, 52 byte packets
5 [] 220.128.2.105 3.515 ms
7 [AS4780] 192.72.107.53 3.351 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Taichung, TW
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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