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AS23494
AS23494 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas
HSC - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas · registered in the United States
IPv4 addresses 1,024 4 prefixes · <0.001% of announced IPv4
Rank in United States #8,355 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #36,747 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 4 prefixes, in address order.
205.172.133.0/24 205.172.134.0/24 208.79.24.0/24 208.79.26.0/24
Other ASNs named Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas
5 other networks use the same organisation name; together with AS23494 they announce 2,304 IPv4 addresses.
ASN Name IPv4 addresses
AS21608 HCSCNET10 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas US 256 AS399432 AS-MS-78058 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas US 256 AS399433 AS-MS-78058 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas US 256 AS399721 AS-MS-78065 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas US 256 AS399722 AS-MS-78065 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas US 256
Similar-sized networks in United States
ASN Name IPv4 addresses
AS23441 #8352 JNJMOBILE - JNJ Mobile, Inc.1,024 AS23444 #8353 TESTAMERICA - TestAmerica Laboratories, Inc.1,024 AS23462 #8354 SAUNSTAR-PARKPLAZA - SaunStar Operating Company, LLC1,024 AS23515 #8356 ITSOLUTIONS - IT Solutions Consulting, LLC1,024 AS23531 #8357 SUNRISE-BANKS - Sunrise Banks1,024 AS23539 #8358 TCF-NETWORK-01 - Tel-Star Communications Of Florida, Inc.1,024
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