AS4657 StarHub Ltd

STARHUB-INTERNET - StarHub Ltd · registered in Singapore

IPv4 addresses392,192262 prefixes · 0.013% of announced IPv4

Rank in Singapore#6largest network in SG by IPv4 space, of 443 · 4.61% of SG

Rank worldwide#684of 79,396 networks with IPv4

IPv63 x /32 (261,991 x /48)312 prefixes

CountrySingapore457 ASNs registered there

Open AS4657 in ASN lookup Look up an IP in this network (23.206.180.1) All networks in Singapore

IPv4 prefixes

All 262 prefixes, in address order.

23.206.180.0/22
27.54.0.0/19
27.54.36.0/24
27.54.38.0/23
27.54.40.0/21
27.54.48.0/22
27.54.52.0/23
27.54.54.0/23
27.54.56.0/21
38.46.202.0/23
43.227.228.0/23
45.65.0.0/23
61.8.192.0/21
61.8.200.0/22
61.8.204.0/23
61.8.206.0/23
61.8.208.0/21
61.8.216.0/24
61.8.217.0/24
61.8.218.0/23
61.8.220.0/22
61.8.224.0/24
61.8.225.0/24
61.8.226.0/23
61.8.228.0/22
61.8.232.0/21
61.8.240.0/20
101.127.192.0/21
101.127.206.0/23
101.127.208.0/20
101.127.224.0/24
101.127.225.0/24
101.127.226.0/23
101.127.228.0/22
101.127.232.0/21
101.127.248.0/23
101.127.250.0/24
101.127.251.0/24
101.127.252.0/22
103.17.144.0/22
103.28.208.0/22
103.149.23.0/24
103.254.252.0/23
103.254.254.0/24
111.223.64.0/18
113.10.64.0/19
117.20.132.0/22
117.20.136.0/22
117.20.148.0/23
117.20.154.0/23
117.20.156.0/22
122.11.128.0/20
122.11.144.0/24
122.11.145.0/24
122.11.146.0/23
122.11.148.0/23
122.11.160.0/23
122.11.162.0/23
122.11.164.0/22
122.11.168.0/24
122.11.173.0/24
122.11.174.0/24
122.11.175.0/24
122.11.176.0/22
122.11.180.0/24
122.11.182.0/24
122.11.187.0/24
122.11.188.0/22
122.11.192.0/22
122.11.198.0/23
122.11.200.0/21
122.11.208.0/23
122.11.210.0/24
122.11.211.0/24
122.11.212.0/22
122.11.220.0/22
122.11.224.0/20
122.11.240.0/22
122.11.244.0/24
122.11.245.0/24
122.11.246.0/23
122.11.248.0/23
122.11.250.0/24
122.11.251.0/24
122.11.252.0/22
124.155.192.0/20
124.155.208.0/21
124.155.217.0/24
124.155.218.0/24
124.155.219.0/24
124.155.220.0/23
124.155.222.0/24
124.155.223.0/24
171.0.0.0/18
171.0.96.0/19
171.1.128.0/17
171.207.64.0/18
182.19.150.0/23
182.19.252.0/24
182.19.255.0/24
182.55.0.0/21
182.55.160.0/19
182.55.192.0/19
182.55.224.0/21
182.55.238.0/23
182.55.240.0/22
182.55.244.0/23
182.55.247.0/24
182.55.248.0/21
183.90.0.0/19
183.90.32.0/20
183.90.64.0/20
183.90.96.0/19
202.156.4.0/24
202.156.10.0/24
202.156.16.0/22
202.156.20.0/22
202.156.24.0/21
202.156.32.0/20
202.156.48.0/23
202.156.50.0/23
202.156.52.0/23
202.156.54.0/23
202.156.56.0/21
203.116.0.0/20
203.116.16.0/21
203.116.24.0/22
203.116.28.0/23
203.116.30.0/24
203.116.31.0/24
203.116.32.0/20
203.116.48.0/21
203.116.56.0/22
203.116.60.0/24
203.116.61.0/24
203.116.62.0/23
203.116.64.0/21
203.116.72.0/22
203.116.76.0/24
203.116.77.0/24
203.116.78.0/23
203.116.80.0/23
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203.116.96.0/23
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203.116.100.0/22
203.116.104.0/23
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203.116.109.0/24
203.116.110.0/23
203.116.112.0/23
203.116.114.0/24
203.116.117.0/24
203.116.118.0/24
203.116.120.0/23
203.116.122.0/23
203.116.124.0/22
203.116.128.0/21
203.116.136.0/24
203.116.137.0/24
203.116.138.0/23
203.116.140.0/24
203.116.141.0/24
203.116.142.0/24
203.116.143.0/24
203.116.144.0/21
203.116.152.0/22
203.116.156.0/22
203.116.160.0/20
203.116.176.0/22
203.116.180.0/24
203.116.182.0/23
203.116.184.0/21
203.116.192.0/21
203.116.200.0/22
203.116.204.0/24
203.116.205.0/24
203.116.206.0/23
203.116.208.0/21
203.116.216.0/23
203.116.218.0/23
203.116.220.0/23
203.116.222.0/23
203.116.224.0/20
203.116.240.0/21
203.116.248.0/21
203.117.0.0/21
203.117.9.0/24
203.117.10.0/23
203.117.12.0/22
203.117.16.0/22
203.117.20.0/23
203.117.22.0/24
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203.117.24.0/24
203.117.25.0/24
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203.117.28.0/22
203.117.32.0/21
203.117.42.0/23
203.117.44.0/22
203.117.48.0/23
203.117.50.0/23
203.117.54.0/23
203.117.56.0/21
203.117.64.0/21
203.117.72.0/23
203.117.74.0/23
203.117.76.0/22
203.117.80.0/20
203.117.96.0/23
203.117.99.0/24
203.117.100.0/22
203.117.104.0/22
203.117.108.0/24
203.117.109.0/24
203.117.110.0/23
203.117.112.0/20
203.117.128.0/20
203.117.144.0/21
203.117.152.0/23
203.117.154.0/23
203.117.156.0/22
203.117.160.0/19
203.117.192.0/19
203.117.224.0/21
203.117.232.0/22
203.117.236.0/22
203.117.240.0/23
203.117.242.0/24
203.117.243.0/24
203.117.244.0/23
203.117.254.0/23
203.118.0.0/21
203.118.8.0/23
203.118.10.0/24
203.118.11.0/24
203.118.12.0/23
203.118.14.0/23
203.118.16.0/21
203.118.24.0/22
203.118.28.0/23
203.118.30.0/23
203.118.32.0/24
203.118.33.0/24
203.118.34.0/23
203.118.36.0/22
203.118.40.0/22
203.118.44.0/23
203.118.46.0/24
203.118.47.0/24
203.118.48.0/22
203.118.52.0/24
203.118.53.0/24
203.118.54.0/23
203.118.56.0/23
203.118.58.0/23
203.118.60.0/22

IPv6 prefixes

All 312 prefixes.

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Other ASNs named StarHub Ltd

2 other networks use the same organisation name; together with AS4657 they announce 1,157,632 IPv4 addresses.

ASNNameIPv4 addresses

AS55430STARHUB-NGNBN - Starhub Ltd SG610,816

AS138345STARHUB-MOBILE2 - StarHub Ltd SG154,624

Similar-sized networks in Singapore

ASNNameIPv4 addresses

AS3758#3 SINGNET - SingNet693,760

AS55430#4 STARHUB-NGNBN - Starhub Ltd610,816

AS4773#5 MOBILEONELTD-AS-AP - MobileOne Ltd. Mobile/Internet Service Provider Singapore401,664

AS135354#7 NBPAP-AS-AP - NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.304,128

AS150436#8 BYTEPLUS-AS-AP - Byteplus Pte. Ltd.277,248

AS139341#9 ACE-AS-AP - ACE276,480

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources