121.54.112.0/21

AS10139 · Smart Broadband, Inc.

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Summary

Country	Philippines
Domain	smart.com.ph
ASN	AS10139
Parent Range	121.54.0.0/17
Registry	APNIC
ID	SMARTBRO-PH

WHOIS Details

inetnum:        121.54.0.0 - 121.54.127.255
netname:        SMARTBRO-PH
descr:          Smart Broadband Incorporated
descr:          Wireless Broadband Access
descr:          Ayala Avenue, Makati City
country:        PH
org:            ORG-SBI2-AP
admin-c:        SBT16-AP
tech-c:         SBT16-AP
abuse-c:        AS2810-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-PH-SMARTBRO
mnt-routes:     MAINT-PH-SMARTBRO
mnt-irt:        IRT-SMARTBRO-PH
last-modified:  2020-10-20T01:09:33Z
source:         APNIC

irt:            IRT-SMARTBRO-PH
address:        Smart Tower
address:        6799 Ayala Avenue Makati City
address:        1226 Philippines
e-mail:         allsmarttscipbb@smart.com.ph
abuse-mailbox:  allsmarttscipbb@smart.com.ph
admin-c:        SBT16-AP
tech-c:         SBT16-AP
auth:           # Filtered
remarks:        allsmarttscipbb@smart.com.ph is invalid
mnt-by:         MAINT-PH-SMARTBRO
last-modified:  2025-11-26T13:12:36Z
source:         APNIC

organisation:   ORG-SBI2-AP
org-name:       Smart Broadband, Inc.
org-type:       LIR
country:        PH
address:        SMART LEC Bldg., UPS5 Subd.,
address:        Filipinas Ave., Sucat Road,
phone:          +632-541-5772
fax-no:         +632-541-5530
e-mail:         ccabecina@pldt.com.ph
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:48Z
source:         APNIC

role:           ABUSE SMARTBROPH
country:        ZZ
address:        Smart Tower
address:        6799 Ayala Avenue Makati City
address:        1226 Philippines
phone:          +000000000
e-mail:         allsmarttscipbb@smart.com.ph
admin-c:        SBT16-AP
tech-c:         SBT16-AP
nic-hdl:        AS2810-AP
remarks:        Generated from irt object IRT-SMARTBRO-PH
remarks:        allsmarttscipbb@smart.com.ph is invalid
abuse-mailbox:  allsmarttscipbb@smart.com.ph
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-26T13:12:56Z
source:         APNIC

role:           Smart Broadband Team
address:        Smart Tower
address:        6799 Ayala Avenue Makati City
address:        1226 Philippines
country:        PH
phone:          +632-511-6354
fax-no:         +632-511-2610
e-mail:         raclaron@smart.com.ph
admin-c:        RC668-AP
tech-c:         RC668-AP
nic-hdl:        SBT16-AP
notify:         raclaron@smart.com.ph
abuse-mailbox:  insirt@smart.com.ph
mnt-by:         MAINT-PH-SMARTBRO
last-modified:  2016-10-06T03:55:49Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 121.54.112.0/21

Range	ASN	Company	Num of IPs
121.54.0.0/17	AS10139	Smart Broadband Incorporated	32,768

Nearby Ranges

BGP prefixes that overlap with 121.54.0.0/16

Range	ASN	Company	Num of IPs
121.54.0.0/17	AS10139	Smart Broadband Incorporated	32,768
121.54.192.0/18	AS38091	LG HelloVision Corp.	16,384
121.54.128.0/19	AS4826	VOCUS PTY LTD	8,192
121.54.168.0/21	AS152194	Sun Network (Hong Kong) Limited	2,048
121.54.184.0/22	AS212581	SGX FX SYSTEMS UK LIMITED	1,024
121.54.160.0/22	AS132839	POWER LINE (HK) CO., LIMITED	1,024
121.54.164.0/22	AS134739	AGB Communication Co., Ltd	1,024
121.54.173.0/24	AS152194	MEGA-II IDC	256
121.54.174.0/24	AS152194	MEGA-II IDC	256
121.54.175.0/24	AS152194	MEGA-II IDC	256
121.54.190.0/24	AS62468	7F,World peace center,55 wo tong tsui st,kwai chung	256
121.54.191.0/24	AS62468	7F,World peace center,55 wo tong tsui st,kwai chung	256
121.54.164.0/24	AS134739	AGB Communication Co., Ltd	256
121.54.165.0/24	AS134739	AGB Communication Co., Ltd	256
121.54.166.0/24	AS134739	AGB Communication Co., Ltd	256
121.54.167.0/24	AS134739	AGB Communication Co., Ltd	256
121.54.168.0/24	AS152194	MEGA-II IDC	256
121.54.171.0/24	AS152194	MEGA-II IDC	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

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

IP Address	ASN	Details
121.54.117.97	AS10139 Smart Broadband, Inc.	`19.30ms` from Manila, PH

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
24.131.87.101	AS7922 Comcast Cable Communications, LLC	`12.62ms` from Ashburn, US
121.69.100.53	AS4808 China Unicom Beijing Province Network	`6.53ms` from Beijing, CN
35.158.13.197	AS16509 Amazon.com, Inc.	`0.17ms` from Frankfurt am Main, DE
183.24.146.5	AS4134 CHINANET-BACKBONE	`3.77ms` from Guangzhou, CN
150.40.222.101	AS136907 HUAWEI CLOUDS	`1.16ms` from Hong Kong, HK
204.100.137.37	AS18558 Riverside County Office of Education	`2.12ms` from Los Angeles, US
4.59.59.181	AS3356 Level 3 Parent, LLC	`0.33ms` from Los Angeles, US
79.238.129.117	AS3320 Deutsche Telekom AG	`4.83ms` from Nuernberg, DE
108.189.215.101	AS33363 Charter Communications, Inc	`13.03ms` from Orlando, US
74.109.13.37	AS701 Verizon Business	`0.71ms` from Philadelphia, US
149.169.195.85	AS2900 Arizona Tri University Network	`0.87ms` from Phoenix, US
13.223.165.197	AS14618 Amazon.com, Inc.	`0.18ms` from Reston, US
151.27.6.149	AS1267 WIND TRE S.P.A.	`3.83ms` from Rome, IT
13.83.107.85	AS8075 Microsoft Corporation	`0.60ms` from San Jose, US
114.45.74.85	AS3462 Data Communication Business Group	`1.82ms` from Taipei, TW
184.67.164.133	AS6327 Shaw Communications	`8.67ms` from Toronto, CA
23.254.229.37	AS54290 Hostwinds LLC.	`0.19ms` from Amsterdam, NL
34.208.93.133	AS16509 Amazon.com, Inc.	`0.21ms` from Boardman, US
16.146.222.229	AS16509 Amazon.com, Inc.	`0.18ms` from Boardman, US
203.63.106.21	AS2764 AAPT Limited	`1.10ms` from Brisbane, AU
104.229.205.85	AS11351 Charter Communications Inc	`16.70ms` from Chicago, US
98.29.90.21	AS10796 Charter Communications Inc	`11.44ms` from Columbus, US
89.101.153.245	AS6830 Liberty Global Europe Holding B.V.	`0.52ms` from Dublin, IE
88.130.219.21	AS8881 1&1 Versatel GmbH	`7.65ms` from Frankfurt am Main, DE
39.153.204.117	AS9808 China Mobile Communications Group Co., Ltd.	`11.21ms` from Hohhot, CN

Traceroute

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

traceroute -a -n -q1 -f2 -m6 121.54.119.62

traceroute to 121.54.119.62 (121.54.119.62): 6 hops max, 52 byte packets

2 [AS58061] 38.180.36.1 0.27 ms

3 [AS200590] 188.94.153.128 0.856 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Almaty, KZ

On January 9th 2026

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