AS44486 Oliver Horscht trading as "SYNLINQ"

AS44486Oliver Horscht trading as "SYNLINQ"IDC

WHOIS Topology

Germany · RIPE NCCsynlinq.de

RPKI filteringTor relaysVPS hosting

IPv4 addresses

32,512

101 announced prefixes

IPv6 addresses

5.78 × 10³⁰

16 announced prefixes

BGP neighbours

…

CAIDA rank

#1,771

Customer cone 18 ASNs

Estimated users

9.71K

APNIC Labs estimate

RPKI

94% valid

1 invalid · 6 not covered

Average purity

39 sampled IPs

IXPs / facilities

3 / 10

Operator self-reported

History

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

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IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
45.82.120.0/22	Valid	DE-ROETHUNDBECK-20190523RIPE	Frankfurt am Main	1,024
45.88.108.0/22	Valid	DE-LIVING-BOTS-20190619RIPE	Germany	1,024
45.135.200.0/22	Valid	DE-LIVING-BOTS-20190731RIPE	Germany	1,024
91.218.64.0/22	Valid	DE-LIVING-BOTS-20180420RIPE	Germany	1,024
103.252.88.0/22	Valid	STUB-103-252-88SLASH22APNIC	Germany	1,024
154.43.52.0/22	Not found	—	Offenbach	1,024
154.47.144.0/22	Not found	—	Offenbach	1,024
5.180.252.0/23	Valid	DE-RUB-08RIPE	Frankfurt am Main	512
5.180.254.0/23	Valid	DE-RUB-09RIPE	Frankfurt am Main	512
45.145.224.0/23	Valid	Prepaid-HosterRIPE	Offenbach	512
45.152.160.0/23	Not found	DE-MOS-IPS-20190912RIPE	Frankfurt am Main	512
46.243.76.0/23	Valid	DE-MOS-IPS-20181224RIPE	Germany	512
212.87.214.0/23	Valid	Prepaid-HosterRIPE	Germany	512
5.39.251.0/24	Not found	interlirRIPE	United KingdomCross-border	256
5.83.145.0/24	Valid	DE-PREPAID-HOST-COMRIPE	Germany	256
5.175.220.0/24	Valid	DE-RUB-FRARIPE	Frankfurt am Main	256
5.231.26.0/24	Valid	DE-RUB-FRARIPE	Germany	256
5.231.253.0/24	Valid	DE-RUB-FRARIPE	Germany	256
5.253.244.0/24	Valid	DE-RUB-06RIPE	Frankfurt am Main	256
37.44.215.0/24	Valid	DE-IPONE-20210525RIPE	Germany	256

/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 40 / 127 （31%） · flagged 38

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

45.82.120.0/223/4 with data · 3 flagged

91.218.64.0/222/4 with data · 2 flagged

103.252.88.0/222/4 with data · 2 flagged

5.180.252.0/232/2 with data · 2 flagged

154.43.52.0/221/4 with data · 1 flagged

45.145.224.0/231/2 with data · 1 flagged

45.152.160.0/231/2 with data · 1 flagged

212.87.214.0/231/2 with data · 1 flagged

5.175.220.0/241/1 with data · 1 flagged

5.231.26.0/241/1 with data · 1 flagged

37.44.215.0/241/1 with data · 1 flagged

37.114.34.0/241/1 with data · 0 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 3350–69 60–49 0

1.48%

Share of IPv4 reported or blocklisted

474

Listed IPs

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
185.245.61.0/24	1	1
37.114.42.0/24	1	1
45.82.121.0/24	1	1
94.103.173.0/24	1	1

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.

Germany86.6%
Austria5.5%
United States3.9%
Malta0.8%
United Kingdom0.8%
Switzerland0.8%

Scope: Regional
In registered country: 86.6%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS44486 · Last 7 days

Mobile vs. Desktop

Desktop89.7%Mobile10.3%

Bot vs. Human

Human21.7%Bot78.3%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv474.0%IPv626.0%

HTTP Version

HTTP/1.x

51.8%HTTP/2

42.7%HTTP/3

5.5%

HTTP vs. HTTPS

92.6% HTTPS (encrypted)

Plain HTTP 7.4%

TLS Version

TLS 1.0/1.10%TLS 1.23.7%TLS 1.390.4%QUIC5.9%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

63.2%HEAD

28.3%POST

8.1%PUT

0.2%OPTIONS

0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

667,696

7-day total

39,405

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.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 16:00–17:00
Active hours: 24 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Tue

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BGP upstreams and neighbours

AS44486Standalone page

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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.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-22
Registered address & allocation date	RIR registration data (RDAP)	2026-10-10
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-22
Exchanges & facilities	Operator self-reported interconnection data	2026-10-21
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-22
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-22
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-19
Network tags	Public routing data community tags	2026-10-22
IP reputation	CleanIP lookups and neighbour sampling	—

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