Host4Biz sp. z o.o.
AS61251 is Host4Biz sp. z o.o. (host4.biz). It announces 2,816 IPv4 addresses in 4 prefixes, and 1 IPv6 prefixes.
Poland· RIPE· allocated 2016-05-13· 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.
- Poland2,816 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- HOST4BIZ-AS
- name
- Host4Biz sp. z o.o.
- org
- ORG-HSZO27-RIPE
- org name
- Host4Biz sp. z o.o.
- org address
- ul. Swieradowska 47, 02-662, Warsaw, POLAND
- org country
- PL
- country
- PL
- source
- ripe
- status
- ASSIGNED
- created
- 2016-05-13
- updated
- 2026-03-06
- remarks
- ----------- Upstreams ----------- / ---------- Downstreams ---------- / ----------- Contacts ------------ / Abuse reports: abuse@host4.biz / Website: http://host4.biz
- maintainer
- RIPE-NCC-END-MNT|HOST4BIZ-MNT
- abuse name
- Abuse-C Role
- abuse email
- abuse@host4.biz
- 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.
- VPN IP274belkavpn9.73%
- 711proxy, flexyproxies0.07%
- floppydata0.04%
- None here
- None here
- None here
- Hosting IP2,30481.82%
- None here
- None here
- None here
- SSH IP57120.28%
- SMTP IP913.23%
- 1.17%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 77.73.36.0/22 | Poland | not found | 17 | 2026-10-02 |
| 91.195.12.0/23 | Poland | not found | 17 | 2026-10-02 |
| 91.232.127.0/24 | Poland | not found | 17 | 2026-10-02 |
| 185.151.244.0/22 | Poland | not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a07:7c80::/29 | Poland | not found | 20 | 2026-10-02 |
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