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Autonomous System

AS203446

SMARTNET Germany GmbH

Announced IPs
4,352
CIDR prefixes
17
ASN
AS203446

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 →

Network profile

Source: PeeringDB →
Network type Enterprise
Traffic level 300-500Gbps
Geographic scope Europe
Traffic ratio Balanced
Peering policy Selective
IRR record AS-ALEX0220

Present at 7 internet exchanges: MegaIX Frankfurt, Giganet IXN: Global exchange, SmartIX, GNM-IX, Giganet IXN Frankfurt, ERA-IX Frankfurt, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS203446 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
2.56.246.0/24 27,117 2026-10-03 15:42:41
5.83.141.0/24 20,796 2026-10-03 15:42:56
45.137.70.0/24 17,877 2026-10-03 15:42:41
45.134.39.0/24 17,875 2026-10-03 15:42:41
45.131.65.0/24 17,852 2026-10-03 15:42:41
163.5.195.0/24 17,789 2026-10-03 15:42:56
37.114.41.0/24 17,659 2026-10-03 15:42:41
92.242.166.0/24 17,543 2026-10-03 15:42:46
194.62.248.0/24 16,932 2026-10-03 15:42:41
93.90.74.0/24 15,694 2026-10-03 15:42:41
185.50.255.0/24 14,755 2026-10-03 15:42:31
64.204.182.0/24 13,840 2026-10-03 15:42:31
86.38.156.0/24 10,989 2026-09-09 17:06:40
64.204.203.0/24 10,348 2026-10-03 14:06:02
51.241.141.0/24 7,744 2026-10-03 15:42:31
46.37.101.0/24 7,724 2026-10-03 15:42:31
91.109.45.0/24 7,564 2026-10-03 15:42:31
89.213.171.0/24 7,552 2026-10-03 15:42:31
91.143.180.0/24 7,280 2026-08-13 12:23:36
87.84.224.0/24 7,213 2026-08-13 12:23:36
64.204.166.0/24 5,468 2026-06-26 16:13:17
140.150.224.0/24 4,370 2026-07-13 06:46:16
82.47.19.0/24 4,328 2026-07-13 06:46:16
82.29.103.0/24 4,117 2026-07-13 06:46:16

Frequently Asked Questions

What is AS203446?

AS203446 is an Autonomous System Number assigned to SMARTNET Germany GmbH. 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 AS203446 announce?

AS203446 announces 4.4K IPv4 addresses distributed across 17 routed CIDR prefixes. The network is registered in Germany.

Who operates AS203446?

AS203446 is operated by SMARTNET Germany GmbH. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.

What country is AS203446 registered in?

AS203446 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-03 16:09:05 UTC
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