Autonomous System

AS45133 Singapore Polytechnic

EducationActiveSingaporeAPNIC

AS45133 (Singapore-Polytechnic-AS-AP) is an education network operated by Singapore Polytechnic in Singapore, registered with APNIC. It has 3 IPv4 prefixes with 66,048 addresses and 1 IPv6 prefix, which makes it the 3,400th largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses66,048in 3 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#3,400of 82,283 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationSingapore Polytechnic
AS nameSingapore-Polytechnic-AS-AP
Websitesp.edu.sg
Country Singapore (SG)
Network typeEducation
RegistryAPNIC
Abuse contactnoc@sp.edu.sg
Registered—
Last updated2020-07-08

IPv4 prefixes

3 prefixes · 66,048 addresses
NetworkAddressesFirst – last address
164.78.0.0/1665,536164.78.0.0 – 164.78.255.255
164.78.248.0/24256164.78.248.0 – 164.78.248.255
164.78.252.0/24256164.78.252.0 – 164.78.252.255

IPv6 prefixes

1 prefix
  • 2403:e900::/32

Query AS45133 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS45133&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS45133, with or without a key:

curl "https://api.ipapi.is/?q=164.78.0.1"

Largest networks in Singapore

AS9506 Singapore Telecommunications Ltd, Magix Services1,450,240 IPv4 addressesAS63949 Akamai Technologies, Inc.1,385,472 IPv4 addressesAS4657 Starhub Ltd.844,800 IPv4 addressesAS3758 SingNet Pte Ltd795,136 IPv4 addressesAS4773 M1 LIMITED747,520 IPv4 addressesAS55430 Starhub Ltd.741,888 IPv4 addresses