AS39912 oja.at GmbH — ASN Info Lookup

AS39912oja.at GmbHISP

WHOIS Topology

Austria · RIPE NCCoja.at

IPv4 addresses

50,176

43 announced prefixes

IPv6 addresses

2.37 × 10²⁹

3 announced prefixes

BGP neighbours

…

CAIDA rank

#2,717

Customer cone 10 ASNs

Estimated users

8.41K

APNIC Labs estimate

RPKI

98% valid

0 invalid · 1 not covered

Average purity

13 sampled IPs

IXPs / facilities

9 / 8

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
77.220.96.0/20	Valid	OJARIPE	Klagenfurt	4,096
78.142.96.0/20	Valid	AT-OJA-20070731RIPE	Poggersdorf	4,096
93.185.128.0/20	Valid	AT-OJA-20090519RIPE	Villach	4,096
95.143.80.0/20	Valid	AT-OJA-20090824RIPE	Völkermarkt	4,096
37.186.8.0/21	Valid	OJARIPE	Vienna	2,048
37.186.16.0/21	Valid	AT-OJA-20120320RIPE	Austria	2,048
77.220.120.0/21	Valid	AT-OJA-20070320RIPE	Austria	2,048
78.142.72.0/21	Valid	AT-OJA-20070731RIPE	Launsdorf	2,048
81.94.56.0/21	Valid	AT-OJA-20060512RIPE	Klagenfurt	2,048
92.63.216.0/21	Valid	AT-OJA-20080218RIPE	Feldbach	2,048
195.16.224.0/21	Valid	AT-OJA-971112RIPE	Pinggau	2,048
37.186.0.0/22	Valid	OJARIPE	Vienna	1,024
77.220.112.0/22	Valid	AT-OJA-20070320RIPE	Austria	1,024
78.142.68.0/22	Valid	AT-OJA-20070731RIPE	Launsdorf	1,024
78.142.112.0/22	Valid	AT-OJA-20070731RIPE	Poggersdorf	1,024
78.142.124.0/22	Valid	AT-OJA-20070731RIPE	Poggersdorf	1,024
81.94.48.0/22	Valid	AT-OJA-20060512RIPE	Klagenfurt	1,024
92.42.16.0/22	Valid	AT-OJA-20190304RIPE	Austria	1,024
92.63.208.0/22	Valid	AT-OJA-20080218RIPE	Feldbach	1,024
195.16.232.0/22	Valid	AT-OJA-971112RIPE	Wimpassing an der Leitha	1,024

/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 14 / 196 （7%） · flagged 0

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

77.220.96.0/201/16 with data · 0 flagged

78.142.96.0/201/16 with data · 0 flagged

93.185.128.0/201/16 with data · 0 flagged

37.186.8.0/211/8 with data · 0 flagged

37.186.16.0/211/8 with data · 0 flagged

77.220.120.0/211/8 with data · 0 flagged

92.63.216.0/211/8 with data · 0 flagged

37.186.0.0/221/4 with data · 0 flagged

77.220.112.0/221/4 with data · 0 flagged

78.142.68.0/221/4 with data · 0 flagged

78.142.124.0/221/4 with data · 0 flagged

92.42.16.0/221/4 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 1370–84 050–69 00–49 0

<0.01%

Share of IPv4 reported or blocklisted

Listed IPs

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.

Austria100.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS39912 · Last 7 days

Mobile vs. Desktop

Desktop74.1%Mobile25.9%

Bot vs. Human

Human73.3%Bot26.7%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv4> 99.9%IPv6< 0.1%

HTTP Version

HTTP/1.x

25.6%HTTP/2

43.2%HTTP/3

31.1%

HTTP vs. HTTPS

97.8% HTTPS (encrypted)

Plain HTTP 2.2%

TLS Version

TLS 1.0/1.10%TLS 1.25.8%TLS 1.362.3%QUIC31.8%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

96.0%POST

2.1%OPTIONS

1.9%

BGP Announcements

Hourly BGP route announcements over the last 7 days

233,149

7-day total

12,238

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: 18:00–19:00
Active hours: 17 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Wed

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BGP upstreams and neighbours

AS39912Standalone 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)	2026-10-15
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
IP reputation	CleanIP lookups and neighbour sampling	—

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