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Autonomous System

AS218648

MasterBase OU

Announced IPs
3,584
CIDR prefixes
8
ASN
AS218648

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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
108.175.104.0/22 1.0K
98.4%
MasterBase OU US — —
108.175.100.0/23 512
98.6%
MasterBase OU US — —
108.175.108.0/23 512
98.4%
MasterBase OU US — —
191.102.34.0/23 512
98.2%
MasterBase OU CL — —
191.102.32.0/24 256
98.4%
MasterBase OU CL — —
192.231.140.0/24 256
98.4%
MasterBase OU CL — —
194.0.177.0/24 256
99.2%
MasterBase OU EE — —
200.9.128.0/24 256
98.0%
MasterBase OU CL — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS218648 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.231.140.0/24 11,325 2026-10-21 17:42:34
191.102.35.0/24 10,473 2026-10-21 17:42:34
108.175.109.0/24 10,133 2026-10-21 17:42:34
200.9.128.0/24 9,952 2026-10-21 17:42:34
191.102.34.0/24 5,966 2026-10-21 17:42:34
191.102.32.0/24 5,007 2026-10-21 17:42:34
108.175.107.0/24 2,470 2026-10-21 17:42:34
108.175.108.0/24 2,468 2026-10-21 17:42:34
108.175.105.0/24 2,417 2026-10-21 17:42:34
108.175.106.0/24 2,416 2026-10-21 17:42:34
108.175.104.0/24 2,412 2026-10-21 17:42:34
108.175.101.0/24 2,337 2026-10-21 17:42:34
108.175.100.0/24 2,336 2026-10-21 17:42:34
194.0.177.0/24 862 2026-10-21 17:42:34

Frequently Asked Questions

What is AS218648?

AS218648 is an Autonomous System Number assigned to MasterBase OU. 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 AS218648 announce?

AS218648 announces 3.6K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Estonia.

Who operates AS218648?

AS218648 is operated by MasterBase OU. The organization is based in Estonia. You can view all IP ranges and related ASNs on the organization page.

What country is AS218648 registered in?

AS218648 is registered in Estonia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-21 17:54:05 UTC
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