ProxySpace

APNIC · updated daily

Singapore IP ranges

1,906 IPv4 blocks with 28,957,248 addresses and 527 IPv6 prefixes, registered to Singapore, the 19th largest IPv4 holding of 239 countries.

IPv4 addresses

29M

IPv4 blocks

1,906

IPv6 prefixes

527

Share of all IPv4

0.79%

Format

SG.txt

Largest networks in Singapore

Autonomous systems by the IPv4 addresses they announce inside these ranges.

NetworkASNIPv4 addresses
Alibaba (US) Technology Co., Ltd.AS451023,067,136
Hangzhou Alibaba Advertising Co.,Ltd.AS379632,588,160
Shenzhen Tencent Computer Systems Company LimitedAS1322031,829,376
HUAWEI INTERNATIONAL PTE. LTD.AS1369071,052,416
Singapore Telecommunications Ltd, Magix ServicesAS9506918,784
Microsoft CorporationAS8075875,008
Starhub Internet Pte LtdAS55430712,704
SingNet Pte LtdAS3758693,248
M1 LIMITEDAS4773401,664
Starhub Ltd.AS4657390,400

ASN data: IP Geolocation by DB-IP (CC BY 4.0).

Largest IPv4 blocks

The biggest single block is 43.0.0.0/9.

BlockAddressesAllocated
43.0.0.0/98,388,6081989-02-21
8.128.0.0/104,194,3041992-12-01
8.208.0.0/121,048,5761992-12-01
43.160.0.0/121,048,5761989-02-21
120.160.0.0/121,048,5762008-04-14
43.128.0.0/13524,2881989-02-21
43.152.0.0/13524,2881989-02-21
178.100.0.0/14262,1442009-11-18
42.60.0.0/15131,0722011-02-18
43.146.0.0/15131,0721989-02-21
116.14.0.0/15131,0722007-03-27
116.86.0.0/15131,0722007-05-18
118.200.0.0/15131,0722007-10-19
171.0.0.0/15131,0722011-03-30
178.96.0.0/15131,0722009-11-18

Allocations per year

IPv4 addresses assigned to networks in Singapore each year, by registration date.

1984: 8,192 addresses. 1985: 65,536 addresses. 1986: 65,536 addresses. 1987: 65,536 addresses. 1988: 131,072 addresses. 1989: 10,797,824 addresses. 10.8M 1990: 396,288 addresses. 1991: 847,360 addresses. 1992: 6,032,384 addresses. 1993: 384,256 addresses. 1994: 371,200 addresses. 1995: 75,520 addresses. 1996: 146,688 addresses. 1997: 144,384 addresses. 1998: 102,400 addresses. 1999: 217,344 addresses. 2000: 437,248 addresses. 2001: 272,640 addresses. 2002: 164,864 addresses. 2003: 252,160 addresses. 2004: 393,472 addresses. 2005: 236,800 addresses. 2006: 504,064 addresses. 2007: 1,143,552 addresses. 2008: 1,595,904 addresses. 2009: 1,124,352 addresses. 2010: 1,002,240 addresses. 2011: 851,712 addresses. 2012: 37,632 addresses. 2013: 50,688 addresses. 2014: 77,824 addresses. 2015: 138,752 addresses. 2016: 68,608 addresses. 2017: 56,576 addresses. 2018: 44,800 addresses. 2019: 42,752 addresses. 2020: 19,968 addresses. 2021: 19,456 addresses. 2022: 12,544 addresses. 2023: 13,056 addresses. 2024: 11,520 addresses. 2025: 523,520 addresses. 2026: 9,024 addresses. 1984 2026

Most recent allocations

BlockAddressesAllocated
23.165.204.0/242562026-10-12
23.165.180.0/242562026-10-08
23.161.36.0/242562026-10-07
23.165.116.0/242562026-10-07
23.165.132.0/242562026-10-07
23.165.100.0/242562026-10-05
163.52.193.0/242562026-09-17
163.61.161.128/26642026-08-27
85.8.245.0/242562026-08-21
160.236.60.0/235122026-07-03

Use the list

$curl -s https://proxyspace.pro/Ranges/SG.txt -o SG.txt
# Block Singapore with ipset + iptables
ipset create sg4 hash:net
while read net; do ipset add sg4 "$net"; done < SG.txt
iptables -I INPUT -m set --match-set sg4 src -j DROP

# Is an address in Singapore? (Python)
import ipaddress
nets = [ipaddress.ip_network(l) for l in open("SG.txt") if l.strip()]
print(any(ipaddress.ip_address("1.21.224.1") in n for n in nets))

Singapore IP ranges: questions

How many IP addresses does Singapore have?

Singapore holds 28,957,248 IPv4 addresses in 1,906 blocks and 527 IPv6 prefixes, the 19th largest IPv4 holding of 239 countries (0.79% of all allocated IPv4). Compare it with other countries on the IP ranges by country page.

Which networks use the most Singapore IP addresses?

Alibaba (US) Technology Co., Ltd. (AS45102, 3.1M addresses), Hangzhou Alibaba Advertising Co.,Ltd. (AS37963, 2.6M addresses) and Shenzhen Tencent Computer Systems Company Limited (AS132203, 1.8M addresses). Look up any single address with the IP lookup tool.

How do I block all Singapore IP addresses?

Download the list above in the format of your firewall: iptables/ipset, nginx, Apache, ufw or MikroTik. Turn on "aggregate" to merge adjacent blocks into fewer rules. The raw list is at /Ranges/SG.txt, one CIDR per line. To inspect a single block use the CIDR calculator.

Who assigns IP addresses in Singapore?

APNIC, the regional internet registry for Asia-Pacific. ProxySpace downloads its delegation file every day; the most recent Singapore allocation in it is 2026-10-12.

Are there free proxies in Singapore?

Yes, 145 in the current lists. See free Singapore proxies for the lists per protocol, refreshed every 20 minutes.