Network Research Belgium S.A.
AS204013 is Network Research Belgium S.A. (nrb.be). It announces 6,144 IPv4 addresses in 18 prefixes, and 2 IPv6 prefixes.
Belgium· RIPE· allocated 2025-11-05· 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.
- Belgium6,144 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NRB
- name
- Network Research Belgium S.A.
- org
- ORG-NRB1-RIPE
- org name
- Network Research Belgium S.A.
- org address
- Seconde Avenue, 65 Parc Industriel des Hauts Sarts, 4040, Herstal, BELGIUM
- org country
- BE
- country
- BE
- source
- ripe
- status
- ASSIGNED
- created
- 2025-11-05
- updated
- 2026-04-21
- maintainer
- RIPE-NCC-END-MNT|NRB-MNT
- abuse name
- Abuse-C Role
- abuse email
- ripe-tech@nrb.be
- 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 IP120.20%
- anyip0.02%
- None here
- None here
- None here
- None here
- Hosting IP76812.50%
- None here
- None here
- None here
- 0.07%
- 0.02%
- 0.03%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 217.117.32.0/19 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.32.0/20 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.32.0/24also AS12942 | Belgium | not found | 12 | 2026-10-02 |
| 217.117.34.0/24also AS12942 | Belgium | not found | 12 | 2026-10-02 |
| 217.117.36.0/24 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.37.0/24also AS12942 | Belgium | not found | 12 | 2026-10-02 |
| 217.117.38.0/24also AS12942 | Belgium | not found | 12 | 2026-10-02 |
| 217.117.39.0/24also AS12942 | Belgium | not found | 12 | 2026-10-02 |
| 217.117.40.0/24 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.41.0/24 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.43.0/24 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.44.0/24 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.46.0/24 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.48.0/20 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.50.0/24also AS12942 | Belgium | not found | 12 | 2026-10-02 |
| 217.117.56.0/24also AS12942 | Belgium | not found | 12 | 2026-10-02 |
| 217.117.61.0/24 | Belgium | not found | 17 | 2026-10-02 |
| 217.117.63.0/24also AS12942 | Belgium | not found | 12 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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.