AS21693 Xcel Energy Inc.

BGP-ASN-21693 - Xcel Energy Inc. · registered in the United States

IPv4 addresses134,1448 prefixes · 0.004% of announced IPv4

Rank in United States#453largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#1,462of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS21693 in ASN lookup Look up an IP in this network (151.215.0.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

151.215.0.0/16
170.152.0.0/16
192.234.135.0/24
192.234.136.0/22
192.234.140.0/24
198.179.151.0/24
198.179.152.0/22
198.179.156.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS3701#450 LINK-OREGON - University of Oregon134,912

AS46475#451 LIMESTONENETWORKS - Limestone Networks, Inc.134,144

AS10497#452 WORLDBANK - IBRD134,144

AS3724#454 ALASKA-ANET - State of Alaska133,888

AS7321#455 LNET-ASN - LocalNet Corporation133,888

AS9#456 CMU-ROUTER - Carnegie Mellon University133,634

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