AS3140 The Thomas Jefferson High School for Science and Tech.

TJHSST-AS - The Thomas Jefferson High School for Science and Tech. · registered in the United States

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in United States#4,571largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,510of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS3140 in ASN lookup Look up an IP in this network (198.38.16.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

198.38.16.0/20

IPv6 prefixes

All 1 prefix.

2001:468:cc0::/48

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AS16813#4573 AMNH - American Museum of Natural History4,096

AS19718#4574 NCNI - MCNC4,096

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