AS1152
SURF B.V.
AS1152 is SURF B.V.. It announces 2,560 IPv4 addresses in 2 prefixes, and 2 IPv6 prefixes.
The Netherlands· RIPE· allocated 1993-09-01· education
2,560
IPv4 addresses announced
2
IPv4 prefixes
2
IPv6 prefixes
50.00%
of its routes RPKI-valid
2,560
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- The Netherlands2,560 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SIVON-AS
- name
- SURF B.V.
- org
- ORG-Sb3-RIPE
- org name
- SURF B.V.
- org address
- P.O. Box 19035, 3501 DA, Utrecht, NETHERLANDS
- org country
- NL
- country
- NL
- source
- ripe
- status
- LEGACY
- created
- 2002-08-21
- updated
- 2019-09-03
- descr
- the Netherlands
- maintainer
- SN-LIR-MNT|RIPE-NCC-LEGACY-MNT
- abuse name
- SURF Network Maintainer
- abuse email
- cert@surfcert.nl
- abuse phone
- +31 88 7873000
- 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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 92.53.248.0/21 | The Netherlands | not found | 18 | 2026-10-02 |
| 145.116.4.0/23 | The Netherlands | valid | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a0f:d980::/32 | The Netherlands | valid | 19 | 2026-10-02 |
| 2a11:38c0::/29 | The Netherlands | not found | 19 | 2026-10-02 |
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