All ASNs

Autonomous System details for AS21704

AS21704
New York City Board of Education • nyc.gov

AS21704 — New York City Board of Education

AS Name
ASN-21704
Country
United States (US)
Website
Number of IPv4
139,776
Number of IPv6
0
ASN type
Government
Status
Assigned
Registry
ARIN
Allocated
June 06, 2024
Last updated
June 06, 2024

IP Ranges

50 IPv4 prefixes
Prefix Company Number of IPs
64.125.58.0/24 Zayo Bandwidth 256
64.125.59.0/24 Zayo Bandwidth 256
165.155.0.0/16 Department of Education 65,536
165.155.16.0/22 Department of Education 1,024
165.155.20.0/22 Department of Education 1,024
165.155.32.0/20 Department of Education 4,096
165.155.48.0/20 Department of Education 4,096
165.155.64.0/18 Department of Education 16,384
165.155.64.0/23 Department of Education 512
165.155.96.0/21 Department of Education 2,048
165.155.104.0/21 Department of Education 2,048
165.155.128.0/20 Department of Education 4,096
165.155.128.0/21 Department of Education 2,048
165.155.133.0/24 Department of Education 256
165.155.134.0/24 Department of Education 256
165.155.135.0/24 Department of Education 256
165.155.136.0/21 Department of Education 2,048
165.155.141.0/24 Department of Education 256
165.155.142.0/24 Department of Education 256
165.155.143.0/24 Department of Education 256
165.155.150.0/23 Department of Education 512
165.155.152.0/22 Department of Education 1,024
165.155.152.0/23 Department of Education 512
165.155.154.0/23 Department of Education 512
165.155.160.0/20 Department of Education 4,096
165.155.160.0/21 Department of Education 2,048
165.155.165.0/24 Department of Education 256
165.155.166.0/24 Department of Education 256
165.155.167.0/24 Department of Education 256
165.155.168.0/21 Department of Education 2,048
165.155.173.0/24 Department of Education 256
165.155.174.0/24 Department of Education 256
165.155.175.0/24 Department of Education 256
165.155.176.0/20 Department of Education 4,096
165.155.176.0/21 Department of Education 2,048
165.155.182.0/23 Department of Education 512
165.155.184.0/22 Department of Education 1,024
165.155.184.0/23 Department of Education 512
165.155.186.0/23 Department of Education 512
165.155.192.0/21 Department of Education 2,048
165.155.208.0/23 Department of Education 512
165.155.212.0/23 Department of Education 512
165.155.216.0/21 Department of Education 2,048
165.155.217.0/24 Department of Education 256
165.155.220.0/22 Department of Education 1,024
165.155.224.0/21 Department of Education 2,048
165.155.225.0/24 Department of Education 256
165.155.228.0/22 Department of Education 1,024
165.155.232.0/22 Department of Education 1,024
165.155.236.0/22 Department of Education 1,024

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS21704

0 peers

AS21704 has no peers recorded.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS21704

1 upstreams

AS21704 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS21704 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS21704

0 downstreams

AS21704 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

Our IP address tools

Explore all tools

What is my IP?

Discover your public IP address and detailed information about your connection.

CIDR to IP Range Converter (IPv4 and IPv6)

Convert CIDR notation to IP address ranges and vice versa. Useful for network configuration and security.

IP to Hostname/rDNS Lookup

Perform a reverse DNS (rDNS) lookup to get the hostname for an IP address.

IPv6 Expander/Collapser

Expand or collapse IPv6 addresses to their full or shortened forms for better readability and usage.