221.133.20.0/22

AS7602 · Sai gon Postel Corporation

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Summary

Country	Vietnam
Domain	spt.vn
ASN	AS7602
Registry	APNIC
ID	SPT-VN

WHOIS Details

inetnum:        221.133.0.0 - 221.133.31.255
netname:        SPT-VN
country:        VN
descr:          Sai gon Postel Corporation
descr:          10 Co Giang, Cau Ong Lanh Ward, District 1, Ho Chi Minh City, Vietnam
admin-c:        NTKD1-AP
tech-c:         NBAD1-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
mnt-lower:      MAINT-VN-SPT
mnt-routes:     MAINT-VN-SPT
last-modified:  2022-09-26T08:39:02Z
source:         APNIC

irt:            IRT-VNNIC-AP
address:        Ha Noi, VietNam
phone:          +84-24-35564944
fax-no:         +84-24-37821462
e-mail:         hm-changed@vnnic.vn
abuse-mailbox:  hm-changed@vnnic.vn
admin-c:        NTTT1-AP
tech-c:         NTTT1-AP
auth:           # Filtered
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-11-17T23:08:34Z
source:         APNIC

person:         Nguyen Ba Anh Dung
address:        SPT-VN
country:        VN
phone:          +84-2854041168
phone:          +84-834554344
e-mail:         dung.n@spt.vn
nic-hdl:        NBAD1-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2022-09-20T06:31:10Z
source:         APNIC

person:         Nguyen Thi Kim Dan
nic-hdl:        NTKD1-AP
e-mail:         kimdan@spt.vn
address:        SPT-VN
address:        10 Co Giang, Dist.1, Ho Chi Minh City
phone:          +84-28-54040121
country:        VN
mnt-by:         MAINT-VN-SPT
last-modified:  2022-09-20T06:34:22Z
source:         APNIC

route:          221.133.0.0/19
descr:          SPT-VN
origin:         AS7602
mnt-by:         MAINT-VN-SPT
last-modified:  2022-09-24T18:53:22Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 221.133.0.0/16

Range	ASN	Company	Num of IPs
221.133.64.0/18	AS17534	KANAZAWA CABLE TELEVISION NET CO.,LTD.	16,384
221.133.128.0/18	AS38096	SK Broadband Co Ltd	16,384
221.133.128.0/18	AS9689	SK Broadband Co Ltd	16,384
221.133.192.0/19	AS703	Verizon Australia PTY Limited	8,192
221.133.32.0/21	AS134809	MacroLynx Sdn Bhd	2,048
221.133.40.0/21	AS134809	MacroLynx Sdn Bhd	2,048
221.133.24.0/22	AS7602	ADSL service	1,024
221.133.16.0/22	AS7602	ISP tai POP Ha Noi	1,024
221.133.12.0/22	AS7602	Core Network	1,024
221.133.1.0/24	AS7602	ISP tai HCM	256
221.133.63.0/24	AS9712	INet Technologies Co., Ltd.	256
221.133.55.0/24	AS55615	DOUZONEBIZON	256
221.133.54.0/24	AS9712	INet Technologies Co., Ltd.	256
221.133.61.0/24	AS9712	INet Technologies Co., Ltd.	256
221.133.0.0/24	AS7602	IXP tai HCM	256

Hosted domains

There are 2 domain names hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
221.133.22.156	apparelgroup.com.vn	2

Hosted domains API

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Useful for Cybersecurity

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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
24.196.226.70	AS20115 Charter Communications LLC	`7.04ms` from Atlanta, US
117.13.195.6	AS4837 CHINA UNICOM China169 Backbone	`5.05ms` from Beijing, CN
51.54.114.22	AS8070 Microsoft Corporation	`0.62ms` from Boydton, US
2.204.204.166	AS3209 Vodafone GmbH	`8.56ms` from Frankfurt am Main, DE
43.136.50.182	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.19ms` from Guangzhou, CN
67.11.163.70	AS11427 Charter Communications Inc	`7.88ms` from Houston, US
211.223.74.118	AS4766 Korea Telecom	`7.30ms` from Incheon, KR
1.232.57.6	AS9318 SK Broadband Co Ltd	`1.25ms` from Incheon, KR
86.141.253.246	AS2856 British Telecommunications PLC	`10.49ms` from London, GB
201.157.142.246	AS28376 Gigacable de Aguascalientes, S.A. de C.V.	`8.47ms` from Mexico City, MX
76.113.203.214	AS7922 Comcast Cable Communications, LLC	`5.53ms` from Minneapolis, US
223.65.67.6	AS56046 China Mobile communications corporation	`1.74ms` from Nanjing, CN
50.196.40.70	AS7922 Comcast Cable Communications, LLC	`8.17ms` from New York City, US
133.208.136.134	AS2518 BIGLOBE Inc.	`0.43ms` from Osaka, JP
39.75.115.102	AS4837 CHINA UNICOM China169 Backbone	`4.97ms` from Qingdao, CN
201.42.51.182	AS27699 TELEFÔNICA BRASIL S.A	`1.64ms` from Sao Paulo, BR
83.255.177.246	AS1257 Tele2 Sverige AB	`6.87ms` from Stockholm, SE
203.98.73.102	AS55803 Hostopia Australia Web Pty Ltd	`0.31ms` from Sydney, AU
113.233.81.134	AS4837 CHINA UNICOM China169 Backbone	`7.95ms` from Tieling, CN
129.132.17.198	AS559 SWITCH	`0.57ms` from Zuerich, CH
173.93.206.214	AS11426 Charter Communications Inc	`13.30ms` from Atlanta, US
221.223.183.54	AS4808 China Unicom Beijing Province Network	`3.26ms` from Beijing, CN
41.10.136.134	AS36994 Vodacom	`2.56ms` from Cape Town, ZA
162.205.126.38	AS7018 AT&T Enterprises, LLC	`4.07ms` from Chicago, US
50.206.175.150	AS7922 Comcast Cable Communications, LLC	`1.01ms` from Denver, US

Traceroute

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

traceroute -a -n -q1 -m7 221.133.21.128

traceroute to 221.133.21.128 (221.133.21.128): 7 hops max, 52 byte packets

1 [AS21277] 130.193.160.19 0.259 ms

2 *

3 *

4 [AS6453] 5.23.0.72 62.971 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Erbil, IQ

On March 20th 2026

What are IP address ranges?

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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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