AS21704 New York City Board of Education

ASN-21704 - New York City Board of Education · registered in the United States

IPv4 addresses65,79221 prefixes · 0.002% of announced IPv4

Rank in United States#972largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,821of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS21704 in ASN lookup Look up an IP in this network (9.179.230.1) All networks in United States

IPv4 prefixes

All 21 prefixes, in address order.

9.179.230.0/24
165.155.0.0/19
165.155.32.0/21
165.155.40.0/24
165.155.41.0/24
165.155.42.0/23
165.155.44.0/22
165.155.48.0/21
165.155.56.0/24
165.155.57.0/24
165.155.58.0/23
165.155.60.0/22
165.155.64.0/18
165.155.128.0/18
165.155.192.0/20
165.155.208.0/23
165.155.210.0/23
165.155.212.0/23
165.155.214.0/23
165.155.216.0/21
165.155.224.0/19

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS22089#973 HALLMARK - Hallmark Cards Inc.65,792

AS22198#974 LAFAYE - Lafayette College65,792

AS22809#975 AMFAM-INS - American Family Insurance65,792

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