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6 dimensions · leaks / fingerprint / consistency

ASN lookup result for AS51167 Contabo GmbH — network size, BGP routing and registration

DEAS51167Contabo GmbHIDC
WHOIS Topology

Germany · RIPE NCCcontabo.com

RPKI filteringTor relaysVPN servicesVPS hosting

IPv4 addresses

542,720

568 announced prefixes

IPv6 addresses

3.96 × 10²⁹

5 announced prefixes

BGP neighbours

…

CAIDA rank

#7,956

Customer cone 2 ASNs

Estimated users

301K

APNIC Labs estimate

RPKI

97% valid

0 invalid · 15 not covered

Average purity

58

178 sampled IPs

IXPs / facilities

0 / 2

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

PrefixRPKIRegistrationGeolocationAddresses
169.58.0.0/17ValidDETT-20260630RIPEFRLauterbourgCross-border32,768
169.58.128.0/17ValidDETT-20260630RIPEFRLauterbourgCross-border32,768
13.140.128.0/18ValidDETT-20260601RIPEFRLauterbourgCross-border16,384
194.163.128.0/18ValidDEDE-GIGA-HOSTING-19950516RIPEFRLauterbourgCross-border16,384
38.242.192.0/19Not found—FRLauterbourg8,192
38.242.224.0/19Not found—FRLauterbourg8,192
75.119.128.0/19ValidDEDE-GIGA-HOSTING-20060512RIPEFRLauterbourgCross-border8,192
84.247.160.0/19ValidDETT-20240115RIPEFRLauterbourgCross-border8,192
161.97.128.0/19ValidDECONTABORIPEFRLauterbourgCross-border8,192
173.212.192.0/19ValidDECONTABORIPEFRLauterbourgCross-border8,192
5.189.128.0/20ValidDECONTABORIPEFRLauterbourgCross-border4,096
5.189.144.0/20ValidDECONTABORIPEFRLauterbourgCross-border4,096
5.189.160.0/20ValidDECONTABORIPEFRLauterbourgCross-border4,096
5.189.176.0/20ValidDECONTABORIPEFRLauterbourgCross-border4,096
37.60.224.0/20ValidDETT-20240125RIPEFRLauterbourgCross-border4,096
37.60.240.0/20ValidDETT-20240125RIPEFRLauterbourgCross-border4,096
62.84.176.0/20ValidDETT-20240627RIPEFRLauterbourgCross-border4,096
84.46.240.0/20ValidLTLT-LRTC-20041011RIPEFRLauterbourgCross-border4,096
84.247.128.0/20ValidDETT-20240111RIPEFRLauterbourgCross-border4,096
89.117.48.0/20ValidLTLRTC_INETNUM_RENTRIPEFRLauterbourgCross-border4,096

Only the first 500 prefixes are listed; address counts and geography use all prefixes.

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 1,360 / 2,120 （64%） · flagged 1,350

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

169.58.128.0/1788/128 with data · 86 flagged

169.58.0.0/1787/128 with data · 85 flagged

13.140.128.0/1855/64 with data · 55 flagged

194.163.128.0/1849/64 with data · 49 flagged

75.119.128.0/1924/32 with data · 24 flagged

173.212.192.0/1924/32 with data · 24 flagged

84.247.160.0/1921/32 with data · 21 flagged

161.97.128.0/1919/32 with data · 19 flagged

109.199.112.0/2015/16 with data · 15 flagged

5.189.144.0/2014/16 with data · 14 flagged

37.60.224.0/2014/16 with data · 14 flagged

213.199.32.0/2014/16 with data · 14 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 070–84 7750–69 410–49 60

4.12%

Share of IPv4 reported or blocklisted

22,338

Listed IPs

178

Analysed IPs

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

  • FR France
  • DE Germany
  • GB United Kingdom
Scope
Regional
In registered country
11.1%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS51167 · Last 7 days
Mobile vs. Desktop
Desktop 92.7%Mobile 7.3%
Desktop92.7%Mobile7.3%
Bot vs. Human
Human 5.7%Bot 94.3%
Human5.7%Bot94.3%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 62.8%IPv6 37.2%37.2%IPv6
IPv462.8%IPv637.2%
HTTP Version
HTTP/1.x
73.8%HTTP/2
23.7%HTTP/3
2.5%
HTTP vs. HTTPS
91.9% HTTPS (encrypted)
Plain HTTP 8.1%
TLS Version
TLS 1.0/1.1< 0.1%TLS 1.23.9%TLS 1.393.4%QUIC2.7%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks
GET
90.9%POST
8.3%HEAD
0.6%Other
0.2%

BGP Announcements

Hourly BGP route announcements over the last 7 days

1,945,806
7-day total
88,738
Hourly peak

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

Fairly flat around the clock, typical of server or hosting networks.

00061218
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Times in UTCLessMore
Peak hour
18:00–19:00
Active hours
24 hrs
Weekend vs weekday
Weekdays ≈ weekends
Busiest day
Fri

Datacenter Presence

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BGP upstreams and neighbours

AS51167Standalone page
Loading upstreams and neighbours…

WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

InformationSourceUpdated
Registered countryRIR daily delegation statistics2026-10-22
Registered address & allocation dateRIR registration data (RDAP)2026-10-07
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-22
Exchanges & facilitiesOperator self-reported interconnection data2026-10-21
Announced prefixes & BGP neighboursPublic BGP routing data2026-10-22
IPv4 geographyGeolocation database—
RPKI validationRPKI ROA validation data2026-10-22
Rank & customer coneCAIDA AS Rank2026-10-01
Estimated users (APNIC)APNIC Labs user estimates2026-10-19
Network tagsPublic routing data community tags2026-10-22
IP reputationCleanIP lookups and neighbour sampling—

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Multi-source cross-checks · In-house reputation data · Real data only

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