AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

AS680Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.ISP

WHOIS Topology

Germany · RIPE NCCdfn.de

Hosts top sitesRPKI filteringTor relaysUniversity

IPv4 addresses

7,721,472

299 announced prefixes

IPv6 addresses

6.33 × 10³⁰

25 announced prefixes

BGP neighbours

…

CAIDA rank

#1,005

Customer cone 38 ASNs

Estimated users

66.9K

APNIC: 67.8K

RPKI

83% valid

0 invalid · 54 not covered

Average purity

20 sampled IPs

IXPs / facilities

5 / 5

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
134.106.0.0/15	Not found	—	Oldenburg	131,072
141.44.0.0/15	Not found	—	Magdeburg	131,072
193.174.0.0/15	Valid	DE-DFN-930901RIPE	Flensburg	131,072
194.94.0.0/15	Valid	DE-DFN-940920RIPE	Hagen	131,072
87.77.0.0/16	Valid	FUNKLANRIPE	Berlin	65,536
128.7.0.0/16	Not found	EKONETRIPE	Wachtberg	65,536
128.176.0.0/16	Valid	DMSWWU-ETHERRIPE	Altenberge	65,536
129.26.0.0/16	Valid	GMD-DERIPE	Germany	65,536
129.70.0.0/16	Valid	UNIBIRIPE	Bielefeld	65,536
129.217.0.0/16	Valid	UNIDO-LANRIPE	Dortmund	65,536
129.247.0.0/16	Valid	DLRRIPE	Germany	65,536
130.73.0.0/16	Not found	ZIBRIPE	Germany	65,536
130.75.0.0/16	Valid	UNI-HANNOVERRIPE	Hanover	65,536
130.133.0.0/16	Valid	FUBRIPE	Berlin	65,536
130.149.0.0/16	Valid	TUBRIPE	Berlin	65,536
130.183.0.0/16	Valid	IPPNETRIPE	Munich	65,536
131.173.0.0/16	Valid	UOSRIPE	Osnabrück	65,536
131.188.0.0/16	Valid	REVUERIPE	Erlangen	65,536
131.220.0.0/16	Valid	UNI-BONNRIPE	Bonn	65,536
131.234.0.0/16	Valid	UNIPADERBORNRIPE	Höxter	65,536

/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 28 / 30,162 （<1%） · flagged 17

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

193.174.0.0/152/512 with data · 1 flagged

131.188.0.0/162/256 with data · 1 flagged

134.94.0.0/162/256 with data · 2 flagged

141.76.0.0/162/256 with data · 2 flagged

212.201.0.0/162/256 with data · 0 flagged

194.94.0.0/151/512 with data · 1 flagged

132.199.0.0/161/256 with data · 0 flagged

134.1.0.0/161/256 with data · 1 flagged

134.96.0.0/161/256 with data · 1 flagged

139.19.0.0/161/256 with data · 1 flagged

141.4.0.0/161/256 with data · 0 flagged

141.22.0.0/161/256 with data · 1 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 1470–84 350–69 10–49 2

<0.01%

Share of IPv4 reported or blocklisted

266

Listed IPs

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
134.1.7.0/24	1	1
139.19.117.0/24	1	1
192.108.48.0/24	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.

Germany100.0%
United States0.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS680 · Last 7 days

Mobile vs. Desktop

Desktop86.7%Mobile13.3%

Bot vs. Human

Human65.0%Bot35.0%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv489.7%IPv610.3%

HTTP Version

HTTP/1.x

28.7%HTTP/2

50.5%HTTP/3

20.9%

HTTP vs. HTTPS

99.2% HTTPS (encrypted)

Plain HTTP 0.8%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

91.1%POST

8.3%HEAD

0.3%OPTIONS

0.3%Other

< 0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

1,122,407

7-day total

54,368

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.

A pronounced day/night rhythm, typical of networks with human users.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 09:00–10:00
Active hours: 10 hrs
Weekend vs weekday: Weekdays heavier
Busiest day: Thu

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BGP upstreams and neighbours

AS680Standalone 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	2026-10-20
Registered address & allocation date	RIR registration data (RDAP)	2026-10-11
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-20
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	2026-10-21
IP reputation	CleanIP lookups and neighbour sampling	—

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