SURF B.V.
AS1199 is SURF B.V.. It announces 590,848 IPv4 addresses in 3 prefixes, and 1 IPv6 prefix.
The Netherlands· RIPE NCC· allocated 1993-09-01· Education
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 Netherlands590,848 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SPEELTUIN-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
- 2002-09-20
- updated
- 2026-09-24
- descr
- SURFnet / NL
- 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
- 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 |
|---|---|---|---|---|
| 145.102.136.0/22 | The Netherlands | Valid | 4 | 2026-10-22 |
| 145.111.0.0/16 | The Netherlands | Valid | 18 | 2026-10-22 |
| 145.152.0.0/13 | The Netherlands | Valid | 3 | 2026-10-24 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:610:5ea::/48 | The Netherlands | Valid | 10 | 2026-10-22 |
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