FIRST SERVER LIMITED
AS204154 is FIRST SERVER LIMITED (first-server.net). It announces 2,304 IPv4 addresses in 7 prefixes, and 3 IPv6 prefixes.
United Kingdom· RIPE· allocated 2018-04-11· hosting
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States2,304 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- FIRST-SERVER-US-AS
- name
- FIRST SERVER LIMITED
- org
- ORG-FSL27-RIPE
- org name
- FIRST SERVER LIMITED
- org address
- 71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ
- org country
- GB
- country
- GB
- source
- ripe
- status
- ASSIGNED
- created
- 2018-04-11
- updated
- 2025-05-01
- remarks
- FIRST PROJECT
- maintainer
- RIPE-NCC-END-MNT|FIRSTBYTE-MNT
- abuse name
- FIRST SERVER ABUSE Contact Role Object
- abuse email
- audit@first-server.net
- 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 IP51gubernievs_antizapretvpn, giamping, rodnetvpn2.21%
- proxyseller, geonix, geonode1.09%
- floppydata0.04%
- None here
- None here
- None here
- Hosting IP2,304100.00%
- None here
- None here
- None here
- SSH IP1,37459.64%
- SMTP IP351.52%
- 0.95%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 45.86.47.0/24 | United States | valid | 18 | 2026-10-02 |
| 46.8.180.0/23 | United States | valid | 17 | 2026-10-02 |
| 46.17.107.0/24 | United States | valid | 18 | 2026-10-02 |
| 92.118.10.0/24 | United States | valid | 18 | 2026-10-02 |
| 132.243.28.0/23 | United States | valid | 17 | 2026-10-02 |
| 185.172.129.0/24 | United States | valid | 18 | 2026-10-02 |
| 185.200.191.0/24 | United States | valid | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a04:5201:1::/48 | United States | valid | 20 | 2026-10-02 |
| 2a0c:5d00:3009::/48 | United States | valid | 20 | 2026-10-02 |
| 2a0c:5d00:ff07::/48 | United States | valid | 20 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.