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AS10662 Norfolk Southern Corporation

NORFOLK-SOUTHERN - Norfolk Southern Corporation · registered in the United States

IPv4 addresses65,5368 prefixes · 0.002% of announced IPv4
Rank in United States#1,116largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#3,121of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 8 prefixes, in address order.

  • 167.121.0.0/18
  • 167.121.64.0/23
  • 167.121.66.0/23
  • 167.121.68.0/22
  • 167.121.72.0/21
  • 167.121.80.0/20
  • 167.121.96.0/19
  • 167.121.128.0/17

Similar-sized networks in United States

ASNNameIPv4 addresses
AS10448#1113 VILLANOVA-UNIV - Villanova University65,536
AS10561#1114 BRANDEIS - Brandeis University65,536
AS10631#1115 GSU10631 - Georgia State University65,536
AS10849#1117 DCCCD - Dallas College65,536
AS10955#1118 WILPATERSON - WILLIAM PATERSON UNIVERSITY65,536
AS11101#1119 PRISMA HEALTH - Prisma Health65,536

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