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AS17390
AS17390 IBM
CIO-ORGANIZATION - IBM · registered in the United States
IPv4 addresses 7,680 10 prefixes · <0.001% of announced IPv4
Rank in United States #3,492 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #11,113 of 79,396 networks with IPv4
IPv6 10,246 x /48 56 prefixes
IPv4 prefixes
All 10 prefixes, in address order.
129.41.8.0/24 129.41.46.0/23 129.41.56.0/22 129.41.86.0/23 170.224.144.0/21 170.224.152.0/24 170.225.116.0/22 170.225.122.0/23 170.225.126.0/23 192.148.16.0/22
IPv6 prefixes
All 56 prefixes.
2620:1f7:100::/40 2620:1f7:200::/40 2620:1f7:500::/40 2620:1f7:700::/46 2620:1f7:800::/37 2620:1f7:1000::/36 2620:1f7:2800::/40 2620:1f7:2900::/42 2620:1f7:2940::/45 2620:1f7:2948::/45 2620:1f7:2950::/44 2620:1f7:2960::/43 2620:1f7:2980::/41 2620:1f7:2a00::/41 2620:1f7:2a80::/43 2620:1f7:2aa0::/45 2620:1f7:2aa8::/46 2620:1f7:2aac::/47 2620:1f7:2aae::/47 2620:1f7:2ab0::/44 2620:1f7:2ac0::/42 2620:1f7:2b00::/40 2620:1f7:2c00::/38 2620:1f7:3800::/41 2620:1f7:3880::/42 2620:1f7:38c0::/45 2620:1f7:38c8::/47 2620:1f7:38ca::/47 2620:1f7:38cc::/46 2620:1f7:38d0::/44 2620:1f7:38e0::/43 2620:1f7:3900::/40 2620:1f7:3a00::/41 2620:1f7:3a80::/44 2620:1f7:3a90::/46 2620:1f7:3a94::/47 2620:1f7:3a96::/47 2620:1f7:3a98::/45 2620:1f7:3aa0::/43 2620:1f7:3ac0::/42 2620:1f7:3b00::/40 2620:1f7:3d00::/42 2620:1f7:3d40::/46 2620:1f7:3d44::/47 2620:1f7:3d46::/47 2620:1f7:3d48::/45 2620:1f7:3d50::/44 2620:1f7:3d60::/48 2620:1f7:3d61::/48 2620:1f7:3d62::/47 2620:1f7:3d64::/46 2620:1f7:3d68::/45 2620:1f7:3d70::/44 2620:1f7:3d80::/41 2620:1f7:c030::/48 2620:1f7:c040::/48
Other ASNs named IBM
12 other networks use the same organisation name; together with AS17390 they announce 99,328 IPv4 addresses.
ASN Name IPv4 addresses
AS1747 IBMWATSON-AS - IBM US 49,920
AS27477 POLAR-PUBLIC-HUB-POP-ASN - IBM US 768
AS23145 CALL-HOME-EDGE-CLOUD-FLARE - IBM US 256
AS547 ASN-IBM-LEX - IBM US 256
Similar-sized networks in United States
ASN Name IPv4 addresses
AS20448 #3489 SCIPIO-TECH-20448 - Peace Communications LLC7,680
AS4229 #3491 ZEN-NET - Zenlayer Inc7,680
AS12189 #3493 AS12189 - PhoenixNAP LLC7,680
AS400175 #3494 MICROTRONIX-ESOLUTIONS - Microtronix ESolutions, LLC7,680
AS216475 #3495 nktelecom NKtelecom INC7,680
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