203.99.43.0/24

AS24471 · USsoftware P Ltd.

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Summary

Country	India
Domain	ust.com
ASN	AS24471
Registry	APNIC
ID	USTRNET

WHOIS Details

inetnum:        203.99.40.0 - 203.99.47.255
netname:        USTRNET
descr:          USTRNET,Technopark, Trivandrum, Software Services Company/Call
descr:          Centre, Kerala, India
country:        IN
org:            ORG-UPL6-AP
admin-c:        DM229-AP
tech-c:         DM229-AP
abuse-c:        AU224-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-IN-UST
mnt-routes:     MAINT-IN-UST
mnt-irt:        IRT-USTR-IN
last-modified:  2020-10-20T01:06:39Z
source:         APNIC

irt:            IRT-USTR-IN
address:        721
address:        Nila
address:        Technopark
address:        Trivandrum - 695 581
e-mail:         ITSecurity@ust-global.com
abuse-mailbox:  ITSecurity@ust-global.com
admin-c:        DM229-AP
tech-c:         DM229-AP
auth:           # Filtered
remarks:        itsecurity@ust-global.com is invalid
mnt-by:         MAINT-IN-UST
last-modified:  2025-11-18T00:27:36Z
source:         APNIC

organisation:   ORG-UPL6-AP
org-name:       USsoftware P Ltd.
org-type:       LIR
country:        IN
address:        721
address:        Nila
address:        Technopark
phone:          +91-471-2335777
fax-no:         +91-471-2527276
e-mail:         network@ust-global.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:02Z
source:         APNIC

role:           ABUSE USTRIN
country:        ZZ
address:        721
address:        Nila
address:        Technopark
address:        Trivandrum - 695 581
phone:          +000000000
e-mail:         ITSecurity@ust-global.com
admin-c:        DM229-AP
tech-c:         DM229-AP
nic-hdl:        AU224-AP
remarks:        Generated from irt object IRT-USTR-IN
remarks:        itsecurity@ust-global.com is invalid
abuse-mailbox:  ITSecurity@ust-global.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-04T18:15:16Z
source:         APNIC

person:         Dinesh Madhu
nic-hdl:        DM229-AP
e-mail:         dinesh.madhu@ustri.com
address:        721
address:        Nila
address:        Technopark
address:        Trivandrum - 695 581
address:        Kerala
phone:          +91-471-2335777
fax-no:         +91-471-2527276
country:        IN
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:23Z
source:         APNIC

route:          203.99.40.0/21
descr:          USTRNET,Technopark, Trivandrum, Software Services Company
descr:          Call Centre, Kerala, India
country:        IN
origin:         AS24471
mnt-by:         MAINT-IN-UST
last-modified:  2008-09-04T07:54:47Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.99.0.0/16

Range	ASN	Company	Num of IPs
203.99.160.0/19	AS17557	Pakistan Telecommunication Company Limited	8,192
203.99.48.0/20	AS23674	Nayatel (Pvt) Ltd	4,096
203.99.72.0/21	AS131909	OCC Co., Ltd.	2,048
203.99.224.0/21	AS23836	RELATION Co., Ltd.	2,048
203.99.240.0/21	AS24270	ITOCHU Techno-Solutions Corporation	2,048
203.99.72.0/22	AS131909	OCC Co., Ltd.	1,024
203.99.136.0/22	AS38891	Measat Satellite Systems Sdn. Bhd.	1,024
203.99.156.0/22	AS38800	Digicel Samoa Ltd	1,024
203.99.196.0/22	AS17903	Cognizant Technology Solution India Pvt Ltd, India Net block	1,024
203.99.204.0/22	AS17903	Cognizant Technology Solution India Pvt Ltd, India Net block	1,024
203.99.150.0/23	AS152097	Centrefit Communications	512
203.99.130.0/23	AS45287	PT. Varnion Technology Semesta	512
203.99.252.0/23	AS24190	The Stock Exchange of Thailand	512
203.99.146.0/23	AS150756	Floppy Ltd.	512
203.99.13.0/24	AS23764	Chinatelecom Next Carrying Network backbone	256
203.99.138.0/24	AS38891	M5 Network Services	256
203.99.145.0/24	AS137453	Exabyte ltd	256
203.99.143.0/24	AS45485	5th Floor, Lakeside 2	256
203.99.165.0/24	AS17557	DSLAM Management IP's for 60K project	256
203.99.144.0/24	AS137453	Asia Pacific Network Information Centre	256
203.99.255.0/24	AS17993	Vodafone Samoa Limited	256
203.99.10.0/24	AS23764	Chinatelecom Next Carrying Network backbone	256
203.99.11.0/24	AS23764	Chinatelecom Next Carrying Network backbone	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
203.99.43.255	AS24471 USsoftware P Ltd.	`0.61ms` from Chennai, IN

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
86.86.67.120	AS1136 KPN B.V.	`3.10ms` from Amsterdam, NL
3.102.146.248	AS16509 Amazon.com, Inc.	`0.63ms` from Auckland, NZ
103.155.10.56	AS134528 MYANMAR PI TECHNOLOGY CO., LTD	`11.67ms` from Bangkok, TH
44.228.133.184	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
82.144.175.248	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`11.44ms` from Budapest, HU
218.6.147.8	AS4134 CHINANET-BACKBONE	`2.85ms` from Chengdu, CN
68.58.8.120	AS7922 Comcast Cable Communications, LLC	`9.81ms` from Chicago, US
27.9.114.104	AS4837 CHINA UNICOM China169 Backbone	`7.68ms` from Chongqing, CN
91.32.117.184	AS3320 Deutsche Telekom AG	`2.53ms` from Duesseldorf, DE
184.27.143.120	AS16625 Akamai Technologies, Inc.	`0.35ms` from Frankfurt am Main, DE
121.46.24.8	AS135391 AOFEI DATA INTERNATIONAL COMPANY LIMITED	`2.42ms` from Guangzhou, CN
49.172.188.40	AS17858 LG POWERCOMM	`1.80ms` from Incheon, KR
45.141.150.248	AS214382 Bulent Aydin trading as Hostlayici	`0.26ms` from Istanbul, TR
95.5.41.248	AS9121 Turk Telekomunikasyon Anonim Sirketi	`17.95ms` from Istanbul, TR
66.127.174.72	AS7018 AT&T Enterprises, LLC	`1.74ms` from Los Angeles, US
159.147.50.8	AS12430 VODAFONE ESPANA S.A.U.	`5.65ms` from Madrid, ES
60.148.201.200	AS17676 SoftBank Corp.	`3.51ms` from Osaka, JP
81.51.66.216	AS3215 Orange S.A.	`9.17ms` from Paris, FR
77.48.166.88	AS16019 Vodafone Czech Republic a.s.	`0.40ms` from Prague, CZ
73.116.19.136	AS7922 Comcast Cable Communications, LLC	`11.13ms` from Santa Clara, US
140.113.148.248	AS9916 National Yang Ming Chiao Tung University	`2.14ms` from Taipei, TW
102.25.193.104	AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom)	`11.53ms` from Tunis, TN
24.41.53.216	AS7029 Windstream Communications LLC	`0.64ms` from Ashburn, US
107.129.147.56	AS7018 AT&T Enterprises, LLC	`16.14ms` from Atlanta, US
121.44.67.72	AS7545 TPG Telecom Limited	`1.80ms` from Brisbane, AU

Traceroute

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

traceroute -a -n -q1 -f5 203.99.43.255

traceroute to 203.99.43.255 (203.99.43.255): 64 hops max, 52 byte packets

5 [AS24471] 203.99.43.255 0.773 ms

Measurement taken from

IPinfo ProbeNet in Chennai, IN

On March 20th 2026

What are IP address ranges?

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