1. All IP Ranges
  2. 121.0.0.0/8
  3. 121.200.0.0/16
  4. AS4628  | 121.200.251.0/24

121.200.251.0/24

AS4628  ·  Pacific Internet Pte Ltd

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Summary

Country Singapore
Domain pacificinternet.com
ASN AS4628
Parent Range 121.200.240.0/20
Registry APNIC
ID OSINET

WHOIS Details

inetnum:        121.200.251.0 - 121.200.251.255
netname:        OSINet
descr:          OSINet
country:        SG
admin-c:        PIPL13-AP
tech-c:         PIPL13-AP
abuse-c:        AO315-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-OSINET-COMMS-SG
mnt-lower:      MAINT-OSINET-COMMS-SG
mnt-routes:     MAINT-OSINET-COMMS-SG
mnt-irt:        IRT-OSINET-COMMS-SG
last-modified:  2022-08-11T08:22:46Z
source:         APNIC

irt:            IRT-OSINET-COMMS-SG
address:        1 Tai Seng Avenue,
e-mail:         noc@pacificinternet.com
abuse-mailbox:  noc@pacificinternet.com
admin-c:        OCPL1-AP
tech-c:         OCPL1-AP
auth:           # Filtered
remarks:        OSINet has renamed to Pacific Internet (S) Pte Ltd
remarks:        noc@pacificinternet.com was validated on 2025-09-05
mnt-by:         MAINT-OSINET-COMMS-SG
last-modified:  2025-11-18T00:26:40Z
source:         APNIC

role:           ABUSE OSINETCOMMSSG
country:        ZZ
address:        1 Tai Seng Avenue,
phone:          +000000000
e-mail:         noc@pacificinternet.com
admin-c:        OCPL1-AP
tech-c:         OCPL1-AP
nic-hdl:        AO315-AP
remarks:        Generated from irt object IRT-OSINET-COMMS-SG
remarks:        noc@pacificinternet.com was validated on 2025-09-05
abuse-mailbox:  noc@pacificinternet.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-05T01:41:32Z
source:         APNIC

role:           PACIFIC INTERNET PTE LTD
address:        1 Tai Seng Avenue, #06-01 Tai Seng Exchange (TSX),  Tower A,  Singapore 536464
country:        SG
phone:          +65 6746 3822
e-mail:         noc@pacificinternet.com
admin-c:        PIPL13-AP
tech-c:         PIPL13-AP
nic-hdl:        PIPL13-AP
notify:         noc@pacificinternet.com
mnt-by:         MAINT-SG-PACIFIC
last-modified:  2024-06-05T06:42:01Z
source:         APNIC

route:          121.200.251.0/24
origin:         AS4628
descr:          PACIFIC INTERNET (S) PTE. LTD. 1 Fusionopolis Walk #06-02 South Tower SOLARIS Singapore
mnt-by:         MAINT-SG-PACIFIC
last-modified:  2019-03-26T09:09:12Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 121.200.251.0/24

Range ASN Company Num of IPs
121.200.240.0/20 AS4628 Pacific Internet Pte Ltd 4,096

Nearby Ranges

BGP prefixes that overlap with 121.200.0.0/16

Range ASN Company Num of IPs
121.200.128.0/18 AS18144 Enecom,Inc. 16,384
121.200.64.0/18 AS17849 SK Broadband Co Ltd 16,384
121.200.0.0/19 AS4764 Wideband Networks Pty Ltd 8,192
121.200.32.0/20 AS10214 Pentanet Limited 4,096
121.200.224.0/20 AS38809 VOCUS PTY LTD 4,096
121.200.240.0/20 AS4628 Pacific Internet Pte Ltd 4,096
121.200.200.0/21 AS2497 Internet Initiative Japan Inc. 2,048
121.200.222.0/23 AS140686 Nabunturan Cable TV Network Inc. 512
121.200.39.0/24 AS10214 Pentanet Limited 256
121.200.40.0/24 AS10214 Pentanet Limited 256
121.200.41.0/24 AS10214 Pentanet Limited 256
121.200.42.0/24 AS10214 Pentanet Limited 256
121.200.43.0/24 AS10214 Pentanet Limited 256
121.200.44.0/24 AS10214 Pentanet Limited 256
121.200.46.0/24 AS10214 Pentanet Limited 256
121.200.47.0/24 AS10214 Pentanet Limited 256
121.200.0.0/24 AS136943 Aussie Broadband 256
121.200.0.0/24 AS136943 Aussie Broadband 256
121.200.57.0/24 AS136987 VISPL-IN Public 256
121.200.58.0/24 AS136987 VISPL-IN Public 256
121.200.240.0/24 AS4628 PACIFIC-INTERNET 256
121.200.241.0/24 AS4628 OSINet 256
121.200.242.0/24 AS4628 OSINet 256
121.200.243.0/24 AS4628 OSINet 256
121.200.244.0/24 AS4628 OSINet 256
121.200.245.0/24 AS4628 OSINet 256
121.200.246.0/24 AS4628 OSINet 256
121.200.247.0/24 AS4628 PACIFIC INTERNET BROADBAND 256
121.200.248.0/24 AS4628 OSINet 256
121.200.249.0/24 AS4628 OSINet 256
121.200.250.0/24 AS4628 OSINet 256
121.200.252.0/24 AS4628 OSINet 256
121.200.253.0/24 AS4628 PACIFIC INTERNET SG 256
121.200.254.0/24 AS4628 OSINet 256
121.200.255.0/24 AS4628 PACIFIC INTERNET (S) PTE LTD 256
121.200.0.0/24 AS4764 Aussie Broadband 256
121.200.0.0/24 AS4764 Aussie Broadband 256
121.200.45.0/24 AS50889 Pentanet Limited 256
121.200.62.0/24 AS55828 DRIK ICT Limited 256
121.200.32.0/24 AS10214 Pentanet Limited 256
121.200.33.0/24 AS10214 Pentanet Limited 256
121.200.34.0/24 AS10214 Pentanet Limited 256
121.200.35.0/24 AS10214 Pentanet Limited 256
121.200.36.0/24 AS10214 Pentanet Limited 256
121.200.37.0/24 AS10214 Pentanet Limited 256
121.200.38.0/24 AS10214 Pentanet Limited 256

Hosted domains

There are 5 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP

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
Read more

Pingable IPs

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

IP Address ASN Details
121.200.251.1 AS4628 Pacific Internet Pte Ltd 0.94ms from Singapore, SG

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
174.108.43.136 AS11426 Charter Communications Inc 6.28ms from Charlotte, US
50.25.255.136 AS19108 Optimum 16.03ms from Dallas, US
88.152.188.8 AS3209 Vodafone GmbH 10.52ms from Frankfurt am Main, DE
34.128.119.200 AS396982 Google LLC 0.12ms from Jakarta, ID
92.245.173.136 AS48544 Tecnotel Servizi Tecnologici srl 0.27ms from Milan, IT
143.244.202.232 AS14061 DigitalOcean, LLC 0.12ms from New York City, US
189.159.41.72 AS8151 UNINET 13.62ms from Santiago de Queretaro, MX
154.244.49.24 AS36947 Telecom Algeria 8.78ms from Valencia, ES
42.233.84.152 AS4837 CHINA UNICOM China169 Backbone 5.73ms from Zhengzhou, CN
81.205.59.136 AS1136 KPN B.V. 1.26ms from Amsterdam, NL
120.3.86.72 AS4837 CHINA UNICOM China169 Backbone 11.68ms from Beijing, CN
186.80.37.88 AS10620 Telmex Colombia S.A. 12.47ms from Bogota, CO
102.43.119.72 AS8452 TE-AS 15.74ms from Cairo, EG
18.117.144.152 AS16509 Amazon.com, Inc. 0.66ms from Columbus, US
80.128.73.40 AS3320 Deutsche Telekom AG 8.02ms from Frankfurt am Main, DE
223.215.176.152 AS4134 CHINANET-BACKBONE 7.64ms from Huai'an, CN
108.165.124.104 AS21859 Zenlayer Inc 0.86ms from London, GB
177.142.122.40 AS28573 Claro NXT Telecomunicacoes Ltda 1.58ms from Rio de Janeiro, BR
9.142.209.56 AS11404 Wave Broadband 1.24ms from San Jose, US
20.198.250.168 AS8075 Microsoft Corporation 0.72ms from Singapore, SG
111.242.171.152 AS3462 Data Communication Business Group 5.13ms from Taichung, TW
194.230.122.200 AS6730 Sunrise GmbH 2.18ms from Zuerich, CH
52.174.141.24 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
24.13.193.56 AS7922 Comcast Cable Communications, LLC 5.88ms from Chicago, US
84.158.92.232 AS3320 Deutsche Telekom AG 4.61ms from Duesseldorf, DE

Traceroute

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

$
traceroute -a -n -q1 -f5 121.200.251.1
traceroute to 121.200.251.1 (121.200.251.1): 64 hops max, 52 byte packets
6 [] 103.16.102.96 5.699 ms
8 [AS4628] 121.200.251.1 1.069 ms
Measurement taken from IPinfo ProbeNet in Singapore, SG
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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