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Autonomous System

AS31103

Keyweb AG

Announced IPs
37,632
CIDR prefixes
20
ASN
AS31103

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 →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 10-20Gbps
Geographic scope Europe
Traffic ratio Mostly Outbound
Peering policy Open
IRR record AS-KEYWEB

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

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
87.118.64.0/18 16.4K
95.7%
Keyweb AG DE Thuringia Erfurt
84.19.160.0/19 8.2K
0.0%
Keyweb AG DE
84.19.176.0/20 4.1K
96.9%
Keyweb AG DE
217.114.208.0/20 4.1K
87.4%
Keyweb AG DE
62.141.48.0/21 2.0K
90.3%
Keyweb AG DE
84.19.168.0/21 2.0K
90.9%
Keyweb AG DE
95.169.184.0/21 2.0K
0.0%
Keyweb AG DE
62.141.56.0/22 1.0K
90.5%
Keyweb AG DE
84.19.160.0/22 1.0K
93.0%
Keyweb AG DE
195.160.228.0/22 1.0K
30.2%
Keyweb AG DE
62.141.60.0/23 512
91.0%
Keyweb AG DE
84.19.164.0/23 512
93.2%
Keyweb AG DE
95.169.160.0/23 512
66.2%
Keyweb AG DE
95.169.182.0/23 512
76.4%
Keyweb AG DE
84.19.166.0/24 256
40.6%
Keyweb AG DE
91.213.60.0/24 256
99.6%
Keyweb AG DE
95.169.169.0/24 256
0.8%
Keyweb AG DE
95.169.181.0/24 256
100.0%
Keyweb AG DE
130.117.189.0/24 256
0.0%
Keyweb AG US
193.7.184.0/24 256
100.0%
Keyweb AG DE

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS31103 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
84.19.174.0/24 54,399 2026-09-11 21:20:13
87.118.68.0/24 51,903 2026-09-11 21:20:13
87.118.67.0/24 51,880 2026-09-11 21:20:13
87.118.126.0/24 51,502 2026-09-11 21:20:13
87.118.92.0/24 51,363 2026-09-11 21:20:13
84.19.182.0/24 51,349 2026-09-11 21:20:13
87.118.114.0/24 51,278 2026-09-11 21:20:13
95.169.183.0/24 46,553 2026-09-11 21:20:13
95.169.182.0/24 46,540 2026-09-11 21:20:13
87.118.90.0/24 45,798 2026-09-11 21:20:13
87.118.91.0/24 45,768 2026-09-11 21:20:13
193.7.184.0/24 43,634 2026-09-11 21:20:13
87.118.86.0/24 43,614 2026-09-11 21:20:13
95.169.189.0/24 43,602 2026-09-11 21:20:13
84.19.188.0/24 43,483 2026-09-11 21:20:13
95.169.188.0/24 43,479 2026-09-11 21:20:13
95.169.187.0/24 43,474 2026-09-11 21:20:13
95.169.181.0/24 43,389 2026-09-11 21:20:13
95.169.186.0/24 43,304 2026-09-11 21:20:13
95.169.160.0/24 43,087 2026-09-11 21:20:13
95.169.190.0/23 42,887 2026-09-11 21:20:13
95.169.184.0/22 42,817 2026-09-11 21:20:13
87.118.82.0/24 40,623 2026-09-11 21:22:18
87.118.127.0/24 40,487 2026-09-11 21:22:18
95.169.169.0/24 30,394 2026-09-11 21:20:13
84.19.160.0/19 17,211 2026-09-11 20:20:11
62.141.56.0/22 17,187 2026-09-11 20:20:11
87.118.64.0/18 17,179 2026-09-11 20:20:11
62.141.60.0/23 17,169 2026-09-11 20:20:11
62.141.48.0/21 17,153 2026-09-11 20:20:11
217.114.208.0/20 17,095 2026-09-11 20:20:11
195.160.230.0/24 17,060 2026-09-11 20:19:01
195.160.231.0/24 17,017 2026-09-11 20:19:01
95.169.161.0/24 16,959 2026-09-11 20:19:01
195.160.229.0/24 16,847 2026-09-11 20:19:01
195.160.228.0/24 16,834 2026-09-11 20:19:01
91.213.60.0/24 16,555 2026-09-11 20:19:01
130.117.189.0/24 14,954 2026-09-11 21:23:35
95.169.184.146/32 111 2026-09-11 18:03:59
95.169.182.69/32 110 2026-09-11 18:03:59
95.169.191.250/32 109 2026-09-11 18:03:59
84.19.188.11/32 108 2026-09-11 18:03:59
87.118.124.134/32 108 2026-09-11 18:03:59
87.118.124.104/32 108 2026-09-11 18:03:59
84.19.189.11/32 107 2026-09-11 18:03:59
87.118.125.134/32 107 2026-09-11 18:03:59
84.19.184.40/32 106 2026-09-11 18:03:59
84.19.190.61/32 4 2026-06-16 11:06:21

Frequently Asked Questions

What is AS31103?

AS31103 is an Autonomous System Number assigned to Keyweb AG. 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 AS31103 announce?

AS31103 announces 37.6K IPv4 addresses distributed across 20 routed CIDR prefixes. The network is registered in Germany.

Who operates AS31103?

AS31103 is operated by Keyweb AG. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.

What country is AS31103 registered in?

AS31103 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 21:26:09 UTC
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