AS2909 Citigroup Inc.

CITI2 - Citigroup Inc. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,666largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#62,988of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS2909 in ASN lookup Look up an IP in this network (192.193.180.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

192.193.180.0/24

Other ASNs named Citigroup Inc.

14 other networks use the same organisation name; together with AS2909 they announce 40,448 IPv4 addresses.

ASNNameIPv4 addresses

AS1696CITIGROUP-1696 - Citigroup Inc. US6,144

AS4996SBI - Citigroup Inc. US5,632

AS32287SOLANA-CITIPLEX - Citigroup Inc. US5,376

AS3081CITI15 - Citigroup Inc. US4,864

AS2912CITI5 - Citigroup Inc. US3,584

AS25883CITIGROUP - Citigroup Inc. US3,584

AS32111CITIGROUP-JAPAN - Citigroup Inc. US2,560

AS2908CITI1 - Citigroup Inc. US1,536

AS153595CITIGROUPINC-AS-AP - Citigroup Inc. US1,536

AS3073CITI7 - Citigroup Inc. US1,280

AS30284CITIGROUP-BANAMEX - Citigroup Inc. US1,280

AS35967LAVATRADING-CITI01 - Citigroup Inc. US1,280

AS22081CITILAB - Citigroup Inc. US1,024

AS33463CITIGROUP-GLOBAL-ANYCAST-DNS - Citigroup Inc. US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS2725#13663 BES-NET - Berkeley Educational Services of New Jersey, Inc.256

AS2738#13664 AS-SHIELDS-COM - Shields Health Care Group256

AS2886#13665 AS2886 - Anton Kapela, Sole Proprietorship256

AS3066#13667 RS-AS - Robert E. Seastrom256

AS3134#13668 USAID-ASN - U.S. Agency for International Development256

AS3291#13669 PSINet-Europe GTT Communications Inc.256

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