1. All IP Ranges
  2. 103.0.0.0/8
  3. 103.21.0.0/16
  4. AS132454  | 103.21.168.0/24

103.21.168.0/24

AS132454  ·  Philippine Telegraph and Telephone Corporation,

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Summary

Country Philippines
Domain ptt.com.ph
ASN AS132454
Registry APNIC
ID PTT

WHOIS Details

inetnum:        103.21.168.0 - 103.21.171.255
netname:        PTT
descr:          Philippine Telelgraph & Telephone
descr:          Spirit of Communications Center Building
descr:          # 106 Carlos Palanca Jr. St
descr:          Legaspi Village
country:        PH
org:            ORG-PTT1-AP
admin-c:        PTTN1-AP
tech-c:         PTTN1-AP
abuse-c:        AP987-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-PTT
mnt-routes:     MAINT-PH-PTT
mnt-irt:        IRT-PTT-PH
last-modified:  2020-08-19T06:30:39Z
source:         APNIC

irt:            IRT-PTT-PH
address:        Spirit of Communications Center Building
address:        
e-mail:         noc@ptt.com.ph
abuse-mailbox:  abuse@ptt.com.ph
admin-c:        PTTN1-AP
tech-c:         PTTN1-AP
auth:           # Filtered
remarks:        abuse@ptt.com.ph is valid
remarks:        abuse@ptt.com.ph was validated on 2026-02-17
remarks:        noc@ptt.com.ph was validated on 2026-03-04
mnt-by:         MAINT-PH-PTT
last-modified:  2026-03-04T00:33:16Z
source:         APNIC

organisation:   ORG-PTT1-AP
org-name:       Philippine Telelgraph & Telephone
org-type:       LIR
country:        PH
address:        Spirit of Communications Center Building
address:        # 106 Carlos Palanca Jr. St
address:        Legaspi Village
phone:          +63-2-8726-8888
e-mail:         noc@ptt.com.ph
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:52Z
source:         APNIC

role:           ABUSE PTTPH
country:        ZZ
address:        Spirit of Communications Center Building
address:        
phone:          +000000000
e-mail:         noc@ptt.com.ph
admin-c:        PTTN1-AP
tech-c:         PTTN1-AP
nic-hdl:        AP987-AP
remarks:        Generated from irt object IRT-PTT-PH
remarks:        abuse@ptt.com.ph was validated on 2026-02-17
remarks:        noc@ptt.com.ph was validated on 2026-03-04
abuse-mailbox:  abuse@ptt.com.ph
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-04T00:33:26Z
source:         APNIC

role:           Philippine Telegraph and Telephone Corporation IP Network
address:        Spirit of Communications Center Building
address:        #106 Carlos Palanca St Legaspi Village, Makati City
country:        PH
phone:          +63-2-8159961
fax-no:         +63-2-8159961
remarks:        ###############################################
remarks:        # Send ABUSE reports to abuse@ptt.com.ph #
remarks:        # Send SPAM reports to abuse@ptt.com.ph   #
remarks:        # Please include detailed information and     #
remarks:        # times in UTC                                #
remarks:        ###############################################
remarks:        www.ptt.com.ph
admin-c:        EBP2-AP
tech-c:         EBP2-AP
nic-hdl:        PTTN1-AP
e-mail:         noc@ptt.com.ph
notify:         noc@ptt.com.ph
mnt-by:         MAINT-PH-PTT
last-modified:  2022-07-04T07:39:28Z
source:         APNIC

route:          103.21.168.0/22
origin:         AS132454
descr:          Philippine Telelgraph & Telephone Spirit of Communications Center Building Legaspi Village
mnt-by:         MAINT-PH-PTT
last-modified:  2017-07-06T05:06:39Z
source:         APNIC

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
103.21.116.0/22 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
103.21.204.0/22 AS131746 PT. Medianusa Permana 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
103.21.234.0/24 AS131210 Yashtel 256
103.21.195.0/24 AS149967 PT Indonesia China Mobile 256
103.21.232.0/24 AS131210 Yashtel 256
103.21.15.0/24 AS9927 PhilCom Corporation 256
103.21.230.0/24 AS132468 Satsol O3B 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
103.21.231.0/24 AS132468 Satsol C-Band 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
103.21.210.0/24 AS36352 Kaifeng Guochao E-commerce Co.Ltd. 256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
103.21.168.26 fsi.com.ph 1

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
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Pingable IPs

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

IP Address ASN Details
103.21.168.9 AS132454 Philippine Telegraph and Telephone Corporation, 0.37ms 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
34.214.244.24 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
68.50.58.200 AS7922 Comcast Cable Communications, LLC 9.12ms from Chicago, US
108.84.149.40 AS7018 AT&T Enterprises, LLC 7.98ms from Columbus, US
34.185.207.40 AS396982 Google LLC 0.11ms from Frankfurt am Main, DE
20.79.159.168 AS8075 Microsoft Corporation 0.22ms from Frankfurt am Main, DE
92.119.77.168 AS42807 CIZGI TELEKOMUNIKASYON ANONIM SIRKETI 0.46ms from Istanbul, TR
18.134.237.152 AS16509 Amazon.com, Inc. 0.21ms from London, GB
85.193.159.24 AS61124 Marston's Telecoms Limited 7.03ms from London, GB
185.22.61.168 AS199274 Serveroid, LLC 1.41ms from Moscow, RU
59.95.81.136 AS9829 National Internet Backbone 17.79ms from Mumbai, IN
182.166.235.88 AS17511 OPTAGE Inc. 2.33ms from Osaka, JP
61.46.225.104 AS9617 JCOM Co., Ltd. 7.79ms from Osaka, JP
84.229.72.216 AS12400 Partner Communications Ltd. 1.36ms from Rosh Ha‘Ayin, IL
201.162.98.200 AS262673 VERO S.A 10.94ms from Sao Paulo, BR
179.157.45.200 AS28573 Claro NXT Telecomunicacoes Ltda 9.39ms from Sao Paulo, BR
74.37.14.136 AS5650 Frontier Communications of America, Inc. 7.04ms from Secaucus, US
192.185.167.152 AS19871 Network Solutions, LLC 0.35ms from Atlanta, US
101.204.251.120 AS4837 CHINA UNICOM China169 Backbone 2.57ms from Chengdu, CN
23.120.8.200 AS7018 AT&T Enterprises, LLC 7.74ms from Dallas, US
67.120.174.200 AS7018 AT&T Enterprises, LLC 1.80ms from Los Angeles, US
60.246.108.72 AS4609 Companhia de Telecomunicacoes de Macau SARL 1.39ms from Macau, MO
89.96.151.200 AS12874 Fastweb SpA 1.48ms from Milan, IT
58.189.30.24 AS17511 OPTAGE Inc. 2.10ms from Osaka, JP
119.193.60.24 AS4766 Korea Telecom 1.42ms from Seoul, KR
126.9.13.168 AS17676 SoftBank Corp. 2.96ms from Tokyo, JP

Traceroute

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

$
traceroute -a -n -q1 -f3 103.21.168.1
traceroute to 103.21.168.1 (103.21.168.1): 64 hops max, 52 byte packets
5 *
Measurement taken from IPinfo ProbeNet in Manila, PH
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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