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Organization

IBM

IPv4 addresses
100,096
CIDR ranges
34
Category
enterprise
BGP prefixes announced
64

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About IBM

International Business Machines Corporation, doing business as IBM, is an American multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is a publicly traded company and one of the 30 companies in the Dow Jones Industrial Average.

Founded
1911
Headquarters
Armonk
Industry
software industry
Employees
377,757

Countries served by IBM

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by IBM

ASNNameIPsPrefixesCountry
AS1747 IBM 49.9K 5 US
AS27530 IBM 16.4K 1 US
AS10676 IBM 12.3K 2 US
AS15293 IBM 9.7K 3 US
AS17390 IBM 7.7K 10 US
AS27477 IBM 768 2 US
AS22538 IBM 512 2 US
AS26543 IBM 512 1 US
AS19152 IBM 512 2 US
AS23257 IBM 512 1 US
AS547 IBM 256 1 US
AS23145 IBM 256 1 US
AS393850 IBM 256 1 US
AS2538 IBM 256 1 US
AS1786 IBM 256 1 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
129.34.128.0/17 32.8K
0.0%
AS1747 US — —
129.34.0.0/18 16.4K
1.4%
AS1747 US — —
129.34.64.0/18 16.4K
0.2%
AS27530 US — —
209.95.224.0/19 8.2K
24.7%
AS10676 US — —
209.134.160.0/19 8.2K
38.1%
AS15293 US — —
216.86.224.0/20 4.1K
3.9%
AS10676 US — —
170.224.144.0/21 2.0K
0.0%
AS17390 US — —
129.41.56.0/22 1.0K
0.0%
AS17390 US — —
170.225.116.0/22 1.0K
1.6%
AS17390 US — —
192.148.16.0/22 1.0K
0.0%
AS17390 US — —
207.231.140.0/22 1.0K
34.0%
AS15293 US — —
129.41.46.0/23 512
0.0%
AS17390 US — —
129.41.58.0/23 512
0.0%
AS17390 IN Tamil Nadu Chennai
129.41.86.0/23 512
0.0%
AS17390 US New York Wappingers Falls
129.41.178.0/23 512
0.6%
AS23257 US — —
170.224.144.0/23 512
0.0%
AS17390 US — —
170.224.150.0/23 512
0.0%
AS17390 IN — —
170.225.122.0/23 512
0.0%
AS17390 US — —
170.225.126.0/23 512
0.6%
AS17390 US — —
192.86.64.0/23 512
0.0%
AS26543 US — —
192.147.88.0/23 512
0.0%
AS27477 US — —
206.253.254.0/23 512
3.1%
AS15293 US — —
12.131.3.0/24 256
0.0%
AS22538 US — —
129.33.162.0/24 256
0.0%
AS19152 US — —
129.41.8.0/24 256
0.0%
AS17390 US — —
129.41.32.0/24 256
0.0%
AS393850 US — —
129.41.46.0/24 256
0.0%
AS17390 NL North Holland Amsterdam
129.41.47.0/24 256
0.0%
AS17390 DE Hesse Frankfurt am Main
129.41.56.0/24 256
0.0%
AS17390 SG — —
129.41.57.0/24 256
0.0%
AS17390 JP Tokyo Tokyo
170.224.146.0/24 256
0.0%
AS17390 DE — —
170.224.147.0/24 256
0.0%
AS17390 NL — —
170.224.148.0/24 256
0.0%
AS17390 SG — —
170.224.149.0/24 256
0.0%
AS17390 JP — —
170.224.152.0/24 256
0.0%
AS17390 US — —
170.225.221.0/24 256
0.0%
AS1786 US — —
170.225.223.0/24 256
0.8%
AS547 US California San Jose
170.226.56.0/24 256
0.0%
AS19152 US — —
192.86.31.0/24 256
0.4%
AS2538 US — —
192.147.88.0/24 256
0.0%
AS27477 DE — —
192.147.89.0/24 256
0.0%
AS27477 US — —
192.147.91.0/24 256
0.0%
AS27477 US — —
192.148.6.0/24 256
0.0%
AS23145 US — —
198.180.207.0/24 256
0.0%
AS1747 US — —
199.164.149.0/24 256
0.0%
AS1747 US — —
199.181.149.0/24 256
0.0%
AS1747 US — —
207.120.254.0/24 256
7.8%
AS22538 US — —
129.41.178.128/25 128
0.8%
AS23257 IN — —
129.41.179.128/25 128
0.8%
AS23257 US — —
129.41.178.64/26 64
1.6%
AS23257 IN — —
129.41.179.64/26 64
0.0%
AS23257 US — —
129.41.178.32/27 32
0.0%
AS23257 IN — —
129.41.179.0/27 32
0.0%
AS23257 IN — —
129.41.179.32/27 32
0.0%
AS23257 US — —
129.41.178.0/28 16
0.0%
AS23257 IN — —
129.41.178.16/28 16
0.0%
AS23257 US — —

Frequently Asked Questions

How many IP addresses does IBM own?

IBM controls 100.1K IPv4 addresses distributed across 34 CIDR ranges. The organization is registered in United States.

What ASNs does IBM operate?

IBM operates 15 Autonomous Systems. Each ASN represents an independently routed network that IBM manages for internet traffic delivery.

What countries does IBM serve?

IBM has IP address allocations in 4 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is IBM?

IBM is categorized as enterprise. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-11-11 15:39:06 UTC
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