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AS21704 ASN-21704 - New York City Board of Education

United States · Autonomous System

IPv4 announced

122.6K

0.01 × /8

IPv6 announced

/48 blocks

Prefixes

routed

Country

United States

Topology (CAIDA AS Rank)

The network's position in the inter-domain routing hierarchy: its customer cone, connectivity, and transit role.

Customer cone

edge network — no downstream ASes

AS rank

#67,693

by customer-cone size (1 = largest)

Connectivity

1 providers · 0 peers · 0 customers

Transit role

Enterprise / stub

edge network, buys transit only

Upstream providers

Settlement-free peers

Downstream customers

Peering & transit neighbours (CAIDA)

Inferred AS-level relationships: 1 upstream providers, 0 peers and 0 downstream customers. The graph shows the largest few of each; the lists link through.

Upstream providers1

give this network transit

AS46887 CROWNCASTLE-AS46887 - Crown Castle Fiber LLC

Settlement-free peers0

exchange traffic directly

None recorded.

Downstream customers0

buy transit from it

None recorded.

Relationships are inferred from BGP by CAIDA and refreshed monthly. Transit links are well captured; some private and IXP peering is under-observed, so peer counts are a lower bound.

Routing hygiene & RPKI

How well this network secures and documents its BGP announcements — RPKI origin validation, IRR registration, and an overall hygiene score.

Hygiene score

0–100 · RPKI × IRR × consistency

RPKI coverage

0 of 122.6K routed addrs valid

RPKI invalid

no invalid prefixes

IRR registered

17%

4 of 24 prefixes documented

Announcement composition24 routed prefixes

IPv6 deployment

Measured share of this network's users reaching the Internet over IPv6 (APNIC end-user measurement, United States).

IPv6 capable

15.5%

users that can reach IPv6-only content

IPv6 preferred

0.8%

users that use IPv6 when both are offered

Capable15.5%

Has working IPv6 connectivity, even if it isn't always chosen.

Preferred0.8%

IPv6 wins when a destination is dual-stacked — the real-world usage rate.

Announced prefixes

Currently announced prefixes, live from RIPEstat.

24 prefixes currently seen by RIPEstat.

165.155.48.0/22165.155.56.0/24165.155.36.0/22165.155.176.0/20165.155.52.0/229.179.230.0/24165.155.40.0/24165.155.64.0/18165.155.144.0/20165.155.224.0/21165.155.212.0/23165.155.216.0/21165.155.128.0/20165.155.192.0/21165.155.160.0/20165.155.16.0/22165.155.48.0/20165.155.0.0/16165.155.32.0/20165.155.20.0/22165.155.32.0/22165.155.236.0/22165.155.232.0/22165.155.208.0/23

Fetching announced prefixes from RIPEstat…