Autonomous System

AS21704 New York City Board of Education

EducationActiveUnited StatesARIN

AS21704 (ASN-21704) is an education network operated by New York City Board of Education in United States, registered with ARIN. It has 22 IPv4 prefixes with 114,432 addresses, which makes it the 2,141st largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses114,432in 22 prefixes
IPv6 prefixes0none
Size rank#2,141of 82,558 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationNew York City Board of Education
AS nameASN-21704
Websitenyc.gov
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactnetwork-complaints@schools.nyc.gov
Registered2024-06-06
Last updated2024-06-06

IPv4 prefixes

22 prefixes · 114,432 addresses
NetworkAddressesFirst – last address
165.155.0.0/1665,536165.155.0.0 – 165.155.255.255
165.155.64.0/1816,384165.155.64.0 – 165.155.127.255
165.155.32.0/204,096165.155.32.0 – 165.155.47.255
165.155.48.0/204,096165.155.48.0 – 165.155.63.255
165.155.144.0/204,096165.155.144.0 – 165.155.159.255
165.155.176.0/204,096165.155.176.0 – 165.155.191.255
165.155.192.0/212,048165.155.192.0 – 165.155.199.255
165.155.216.0/212,048165.155.216.0 – 165.155.223.255
165.155.224.0/212,048165.155.224.0 – 165.155.231.255
165.155.16.0/221,024165.155.16.0 – 165.155.19.255
165.155.20.0/221,024165.155.20.0 – 165.155.23.255
165.155.32.0/221,024165.155.32.0 – 165.155.35.255
165.155.36.0/221,024165.155.36.0 – 165.155.39.255
165.155.48.0/221,024165.155.48.0 – 165.155.51.255
165.155.52.0/221,024165.155.52.0 – 165.155.55.255
165.155.232.0/221,024165.155.232.0 – 165.155.235.255
165.155.236.0/221,024165.155.236.0 – 165.155.239.255
165.155.208.0/23512165.155.208.0 – 165.155.209.255
165.155.212.0/23512165.155.212.0 – 165.155.213.255
9.179.230.0/242569.179.230.0 – 9.179.230.255
165.155.40.0/24256165.155.40.0 – 165.155.40.255
165.155.56.0/24256165.155.56.0 – 165.155.56.255

IPv6 prefixes

No IPv6 prefixes.

Query AS21704 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=AS21704&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS21704, with or without a key:

curl "https://api.ipapi.is/?q=165.155.0.1"

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