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Autonomous System

AS5033

Key Information Systems, Inc.

Announced IPs
41,984
CIDR prefixes
11
ASN
AS5033

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS5033 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
207.178.157.0/24 51,984 2026-06-01 19:48:22
207.178.200.0/24 18,590 2026-05-31 20:30:33
64.162.116.0/24 15,507 2026-07-24 11:03:49
207.178.203.0/24 9,011 2026-06-23 13:24:11
64.160.254.0/24 6,392 2026-07-24 10:39:26
66.127.154.0/24 6,382 2026-07-24 10:39:26
63.204.233.0/24 6,378 2026-07-24 10:39:26
216.38.111.0/24 6,341 2026-07-24 10:39:07
209.239.248.0/21 6,129 2026-07-24 11:02:04
207.213.112.0/22 5,905 2026-07-24 11:00:46
207.178.128.0/17 5,825 2026-07-24 11:00:46
209.239.224.0/20 5,805 2026-07-24 11:02:04
207.213.142.0/23 5,786 2026-07-24 11:00:46
207.178.188.0/24 5,482 2026-07-24 11:00:46
207.178.224.0/24 5,482 2026-07-24 11:00:46
208.84.25.0/24 5,004 2026-07-24 11:01:15
207.178.141.0/24 3,972 2026-06-26 09:41:07
207.178.155.0/24 2,558 2026-05-26 22:58:26
207.178.214.0/24 2,420 2026-05-21 22:44:57
207.178.142.0/24 2,008 2026-05-21 13:42:00

Frequently Asked Questions

What is AS5033?

AS5033 is an Autonomous System Number assigned to Key Information Systems, Inc.. 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 AS5033 announce?

AS5033 announces 42.0K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in United States.

Who operates AS5033?

AS5033 is operated by Key Information Systems, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS5033 registered in?

AS5033 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 11:10:36 UTC
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