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AS400060 Ernst & Young LLP

EY-AS-DSFW - Ernst & Young LLP · registered in the United States

IPv4 addresses1,5365 prefixes · <0.001% of announced IPv4
Rank in United States#7,211largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#27,458of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 5 prefixes, in address order.

  • 198.134.51.0/24
  • 198.134.52.0/24
  • 199.49.30.0/23
  • 199.49.38.0/24
  • 199.49.160.0/24

Other ASNs named Ernst & Young LLP

3 other networks use the same organisation name; together with AS400060 they announce 12,800 IPv4 addresses.

ASNNameIPv4 addresses
AS609EY-AS-L - Ernst & Young LLP US4,864
AS3571EY-AS - Ernst & Young LLP US4,608
AS40810EY-AS-SG - Ernst & Young LLP US1,792

Similar-sized networks in United States

ASNNameIPv4 addresses
AS399457#7208 NWTEL-CATV - NEW WINDSOR TELEPHONE CO1,536
AS399856#7209 PRATTINSTITUTE-1 - Pratt Institute1,536
AS399893#7210 RTC-MA-ASN-01 - Richmond Telephone Company LLC1,536
AS400063#7212 PTCBB - Pennsylvania Telephone Company1,536
AS400132#7213 RTU-ASN - Reinbeck Telecommunications Utility1,536
AS400137#7214 COZYCLOUD - CozyCloud IT1,536

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