OpenSource Training Ralf Spenneberg
AS49552 is OpenSource Training Ralf Spenneberg (os-t.de). It announces 256 IPv4 addresses in 1 prefix, and 1 IPv6 prefix.
Germany· RIPE· allocated 2009-06-30· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Germany256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- OST-SPE
- name
- OpenSource Training Ralf Spenneberg
- org
- ORG-OTRS1-RIPE
- org name
- OpenSource Training Ralf Spenneberg
- org address
- Am Bahnhof 3-5, 48565 Steinfurt, DE
- org country
- DE
- country
- DE
- source
- ripe
- status
- ASSIGNED
- created
- 2009-06-30
- updated
- 2023-04-05
- descr
- OpenSource Security GmbH
- maintainer
- RIPE-NCC-END-MNT|MNT-TKRZ
- abuse name
- Abuse Open-Source Training
- abuse email
- abuse@os-t.de
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.39%
- None here
- None here
- None here
- None here
- None here
- Hosting IP256100.00%
- None here
- None here
- None here
- SSH IP2911.33%
- 0.39%
- 3.13%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 91.213.36.0/24 | Germany | valid | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:67c:24::/48 | Germany | valid | 19 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.