AS1128
SURF B.V.
AS1128 is SURF B.V.. It announces 196,608 IPv4 addresses in 3 prefixes, and 0 IPv6 prefixes.
The Netherlands· RIPE· allocated 1993-09-01· business
196,608
IPv4 addresses announced
3
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
196,608
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 Netherlands196,608 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- TUDELFT-NL
- 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
- 2021-01-22
- descr
- DTO TUDELFT, The Netherlands - AS
- maintainer
- AS1103-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.
- draytek0.00%
- geonode, anyip, privateproxy_me0.02%
- None here
- None here
- None here
- None here
- Hosting IP4,0962.08%
- None here
- None here
- None here
- SSH IP370.02%
- 0.00%
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 130.161.0.0/16 | The Netherlands | valid | 19 | 2026-10-02 |
| 131.180.0.0/16 | The Netherlands | valid | 19 | 2026-10-02 |
| 145.94.0.0/16 | The Netherlands | valid | 19 | 2026-10-02 |
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