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AS2912
AS2912 Citigroup Inc.
CITI5 - Citigroup Inc. · registered in the United States
IPv4 addresses 3,584 8 prefixes · <0.001% of announced IPv4
Rank in United States #5,036 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #17,121 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 8 prefixes, in address order.
192.193.64.0/24 192.193.66.0/23 192.193.70.0/23 192.193.72.0/24 192.193.149.0/24 192.193.156.0/23 192.193.160.0/22 192.193.191.0/24
Other ASNs named Citigroup Inc.
14 other networks use the same organisation name; together with AS2912 they announce 40,448 IPv4 addresses.
ASN Name IPv4 addresses
AS1696 CITIGROUP-1696 - Citigroup Inc. US 6,144 AS4996 SBI - Citigroup Inc. US 5,632 AS32287 SOLANA-CITIPLEX - Citigroup Inc. US 5,376 AS3081 CITI15 - Citigroup Inc. US 4,864 AS25883 CITIGROUP - Citigroup Inc. US 3,584 AS32111 CITIGROUP-JAPAN - Citigroup Inc. US 2,560 AS2908 CITI1 - Citigroup Inc. US 1,536 AS153595 CITIGROUPINC-AS-AP - Citigroup Inc. US 1,536 AS3073 CITI7 - Citigroup Inc. US 1,280 AS30284 CITIGROUP-BANAMEX - Citigroup Inc. US 1,280 AS35967 LAVATRADING-CITI01 - Citigroup Inc. US 1,280 AS22081 CITILAB - Citigroup Inc. US 1,024 AS33463 CITIGROUP-GLOBAL-ANYCAST-DNS - Citigroup Inc. US 512 AS2909 CITI2 - Citigroup Inc. US 256
Similar-sized networks in United States
ASN Name IPv4 addresses
AS17117 #5033 RITSNET - RITSnet, Inc.3,584 AS903 #5034 UNIFIED-COMMUNICATIONS-TECHNOLOGIES - Unified Communications Technologies, LLC3,584 AS1406 #5035 MOTOROLA-MOBILITY - Motorola Inc3,584 AS10353 #5037 STCC-5 - Southwest Tennessee Community College3,584 AS10655 #5038 BUREAU-NAT-AFF - BLOOMBERG INDUSTRY GROUP3,584 AS13877 #5039 WENDYS-DUBLIN - Wendy's International, Inc.3,584
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