AS3495 US Senate

SENATE-AS - US Senate · registered in the United States

IPv4 addresses65,53616 prefixes · 0.002% of announced IPv4

Rank in United States#1,046largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,957of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS3495 in ASN lookup Look up an IP in this network (156.33.0.1) All networks in United States

IPv4 prefixes

All 16 prefixes, in address order.

156.33.0.0/17
156.33.128.0/18
156.33.192.0/21
156.33.200.0/21
156.33.208.0/22
156.33.212.0/23
156.33.214.0/23
156.33.216.0/21
156.33.224.0/21
156.33.232.0/22
156.33.236.0/23
156.33.238.0/23
156.33.240.0/23
156.33.242.0/23
156.33.244.0/22
156.33.248.0/21

IPv6 prefixes

All 2 prefixes.

2600:803:618::/48
2620:0:8a0::/48

Similar-sized networks in United States

ASNNameIPv4 addresses

AS33503#1043 MCW-1-AS - Medical College of Wisconsin65,536

AS33703#1044 HOFSTRA-UNIVERSITY - Hofstra University65,536

AS70#1045 NLM-GW - National Library of Medicine65,536

AS1657#1047 LOUISVILLE - University of Louisville65,536

AS2640#1048 AMESLAB-AS - Ames Laboratory65,536

AS3681#1049 FIU - Florida International University65,536

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