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Autonomous System

AS203329

NTT Global Data Centers EMEA GmbH

Announced IPs
81,664
CIDR prefixes
10
ASN
AS203329

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.

59/100
Caution
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 50-100Gbps
Geographic scope Global
Traffic ratio Not Disclosed
Peering policy Selective
IRR record AS-ESH

Present at 2 internet exchanges: DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, BCIX: BCIX Peering LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
141.77.0.0/16 65.5K
0.2%
NTT Global Data Centers EMEA GmbH DE
149.233.0.0/19 8.2K
3.2%
NTT Global Data Centers EMEA GmbH DE
46.252.80.0/20 4.1K
0.1%
NTT Global Data Centers EMEA GmbH GB
149.233.0.0/21 2.0K
0.0%
DE
149.233.24.0/21 2.0K
0.0%
DE
149.233.8.0/22 1.0K
0.0%
DE
149.233.16.0/22 1.0K
0.0%
DE
185.138.140.0/22 1.0K
7.2%
NTT Global Data Centers EMEA GmbH DE Hesse Frankfurt am Main
185.152.236.0/22 1.0K
0.0%
NTT Global Data Centers EMEA GmbH DE
149.233.22.0/23 512
0.0%
DE
185.138.142.0/23 512
0.0%
DE
193.193.166.0/23 512
99.0%
NTT Global Data Centers EMEA GmbH DE
195.182.196.0/23 512
0.0%
NTT Global Data Centers EMEA GmbH DE
16.41.252.0/24 256
0.0%
NTT Global Data Centers EMEA GmbH US
149.233.13.0/24 256
0.0%
DE
149.233.15.0/24 256
0.0%
DE
149.233.20.0/24 256
0.0%
DE
149.233.21.0/24 256
0.0%
ES
185.33.149.0/24 256
0.0%
NTT Global Data Centers EMEA GmbH GB
185.138.140.0/24 256
0.0%
DE
194.99.84.0/24 256
0.4%
NTT Global Data Centers EMEA GmbH DE
149.233.12.128/25 128
0.0%
NL
149.233.14.128/25 128
0.0%
DE
149.233.14.64/26 64
0.0%
DE
185.138.141.64/26 64
0.0%
DE
185.138.141.128/26 64
0.0%
DE
149.233.12.32/27 32
0.0%
NL
149.233.12.96/27 32
0.0%
NL
185.138.141.32/27 32
0.0%
DE
149.233.12.16/28 16
0.0%
NL
149.233.12.80/28 16
0.0%
NL
149.233.14.0/28 16
0.0%
NL
149.233.14.48/28 16
0.0%
DE
185.138.141.240/28 16
0.0%
DE
149.233.12.8/29 8
0.0%
NL
149.233.12.72/29 8
0.0%
NL
149.233.14.24/29 8
0.0%
DE
149.233.14.32/29 8
0.0%
NL
149.233.14.40/29 8
0.0%
DE
185.138.141.0/29 8
0.0%
DE
185.138.141.24/29 8
0.0%
DE
185.138.141.192/29 8
0.0%
DE
185.138.141.232/29 8
0.0%
DE
149.233.12.4/30 4
0.0%
NL
149.233.12.64/30 4
0.0%
DE
149.233.12.68/30 4
0.0%
NL
149.233.14.20/30 4
0.0%
GB
185.138.141.8/30 4
0.0%
DE
185.138.141.20/30 4
0.0%
DE
185.138.141.200/30 4
0.0%
DE
185.138.141.204/30 4
0.0%
NL
185.138.141.212/30 4
0.0%
NL
185.138.141.220/30 4
0.0%
DE
185.138.141.228/30 4
0.0%
DE
149.233.14.16/31 2
0.0%
GB
149.233.14.18/31 2
0.0%
NL
185.138.141.12/31 2
0.0%
DE
185.138.141.18/31 2
0.0%
DE
185.138.141.208/31 2
0.0%
NL
185.138.141.216/31 2
0.0%
NL
185.138.141.226/31 2
0.0%
DE
149.233.12.0 1
0.0%
NL
149.233.12.1 1
0.0%
DE
149.233.12.2 1
0.0%
DE
149.233.12.3 1
0.0%
NL
185.138.141.14 1
0.0%
DE
185.138.141.15 1
0.0%
NL
185.138.141.16 1
0.0%
NL
185.138.141.17 1
0.0%
DE
185.138.141.210 1
0.0%
DE
185.138.141.211 1
0.0%
NL
185.138.141.218 1
0.0%
DE
185.138.141.219 1
0.0%
NL
185.138.141.224 1
0.0%
DE
185.138.141.225 1
0.0%
ES

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS203329 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
141.77.0.0/16 11,071 2026-07-19 20:39:33
149.233.0.0/19 8,337 2026-07-19 20:39:34
193.193.166.0/23 8,294 2026-07-19 20:39:34
185.138.140.0/22 8,285 2026-07-19 20:38:30
185.152.236.0/22 8,214 2026-07-19 20:38:30
195.182.196.0/23 8,209 2026-07-19 20:39:33
194.99.84.0/24 8,114 2026-07-19 20:38:30
185.33.149.0/24 8,003 2026-07-19 20:38:30
46.252.80.0/20 7,688 2026-07-19 20:39:31
46.252.80.0/22 5,884 2026-07-19 20:23:22
185.138.140.0/24 5,539 2026-07-19 20:25:15
16.41.252.0/24 5,514 2026-07-19 20:39:33
149.233.21.0/24 3,665 2026-07-19 20:24:57
149.233.9.0/24 3,148 2026-07-19 20:24:57
149.233.6.0/24 3,107 2026-07-19 20:24:57
149.233.20.0/24 3,076 2026-07-19 20:24:57

Frequently Asked Questions

What is AS203329?

AS203329 is an Autonomous System Number assigned to NTT Global Data Centers EMEA 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 AS203329 announce?

AS203329 announces 81.7K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in Germany.

Who operates AS203329?

AS203329 is operated by NTT Global Data Centers EMEA GmbH. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.

What country is AS203329 registered in?

AS203329 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-19 20:40:32 UTC
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