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.
- Baseline (neutral) 65
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.2.0 — 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.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 129.34.64.0/18 | 16.4K |
0.1%
|
IBM | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS27530 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 129.34.120.0/24 | 5,325 | 2026-07-24 20:28:29 |
| 129.34.64.0/18 | 5,292 | 2026-07-24 20:28:29 |
Frequently Asked Questions
What is AS27530?
AS27530 is an Autonomous System Number assigned to IBM. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS27530 announce?
AS27530 announces 16.4K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.
Who operates AS27530?
AS27530 is operated by IBM. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS27530 registered in?
AS27530 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
