BigDataCloud
API Packages
IP Geolocation
Reverse Geocoding
Phone & Email Verification
Network Engineering
Free API
Tools
What is my IP?
IP Lookup
ASN Lookup
Network Lookup
Insights
Daily IP Geolocation Accuracy Report
ASN Rank by IPv4 space
Tor Exit Nodes
Bogon Routes
IPv4 Address Space Report
IPv6 Address Space Report
Resources
Getting Started
Support Articles
Blog
Sign In
Sign Up
API Packages
IP Geolocation
Reverse Geocoding
Phone & Email Verification
Network Engineering
Free API
Tools
What is my IP?
IP Lookup
ASN Lookup
Network Lookup
Insights
Daily IP Geolocation Accuracy Report
ASN Rank by IPv4 space
Tor Exit Nodes
Bogon Routes
IPv4 Address Space Report
IPv6 Address Space Report
Resources
Getting Started
Support Articles
Blog
Sign In
Sign Up
ASN Lookup Tool
AS39912 i3B-AS
Powered By:
ASN Extended Info API
&
BGP Active Prefixes API
Home
Asn Lookup
As39912
ASN DETAILS
MAP
JSON VIEW
ASN Details
ASN
AS39912
Organisation
oja.at GmbH
Name
i3B-AS
Total IPv4 Addresses
49,920
Total IPv4 Prefixes
46
Total IPv6 Prefixes
3
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,152 out of 79,125
Registry
Ripe
Registered Country
AT
Registered Country Name
Austria
Registered Date
2006-05-16
Registration Last Change
2025-08-12
Receiving From
ASN
Organisation
AS33891
Core-Backbone GmbH
AS56662
Marcin Gondek
AS4230
CLARO S.A.
AS7713
Telekomunikasi Indonesia (PT)
AS3303
Swisscom (Schweiz) AG
Showing 5 of 38
View More >
Transit To
ASN
Organisation
AS44752
oja.at GmbH
AS62155
oja.at GmbH
AS62373
futurenet.gmbH
AS61438
ip-it consult GmbH
AS59456
HMB Holding GmbH
Showing 5 of 13
View More >
IPv4 Active Prefixes
Prefix
Range From
Range To
37.186.0.0/22
37.186.0.0
37.186.3.255
37.186.4.0/24
37.186.4.0
37.186.4.255
37.186.6.0/23
37.186.6.0
37.186.7.255
37.186.8.0/21
37.186.8.0
37.186.15.255
37.186.16.0/21
37.186.16.0
37.186.23.255
Showing 5 of 46
View More >
IPv6 Active Prefixes
Prefix
Range From
Range To
2a00:e98::/32
2a00:e98::
2a00:e98:ffff:ffff:ffff:ffff:ffff:ffff
2a01:f8::/32
2a01:f8::
2a01:f8:ffff:ffff:ffff:ffff:ffff:ffff
2a01:100::/32
2a01:100::
2a01:100:ffff:ffff:ffff:ffff:ffff:ffff
Look Up
Enter AS Number eg: AS714 or 714