AS547 IBM

ASN-IBM-LEX - IBM · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,591largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#62,864of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS547 in ASN lookup Look up an IP in this network (170.225.223.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

170.225.223.0/24

Other ASNs named IBM

12 other networks use the same organisation name; together with AS547 they announce 99,328 IPv4 addresses.

ASNNameIPv4 addresses

AS1747IBMWATSON-AS - IBM US49,920

AS27530CORNEJO - IBM US16,384

AS10676GLOBALEC - IBM US12,288

AS15293ASN-ISS-ATL - IBM US9,728

AS17390CIO-ORGANIZATION - IBM US7,680

AS27477POLAR-PUBLIC-HUB-POP-ASN - IBM US768

AS22538IBM-CIOUS - IBM US512

AS23257IBMCCH-DAL-EQU - IBM US512

AS26543IBM-CMS-RPL - IBM US512

AS23145CALL-HOME-EDGE-CLOUD-FLARE - IBM US256

AS2538IBM-PLP - IBM US256

AS393850CLEVERSAFE - IBM US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS461#13588 AFCONC-BLOCK1-AS - Air Force Systems Networking256

AS463#13589 AFCONC-BLOCK1-AS - Air Force Systems Networking256

AS511#13590 PRISMA HEALTH - Prisma Health256

AS607#13592 RNM-15-ASN-01 - Revelation Network Management, Inc.256

AS656#13593 DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD)256

AS670#13594 DNIC-AS-00670 - Headquarters, USAISC256

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