SURF B.V.
AS1101 is SURF B.V. (ripe.net). It announces 1,773,056 IPv4 addresses in 16 prefixes, and 3 IPv6 prefixes.
The Netherlands· RIPE· 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 Netherlands1,773,056 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- IP-EEND-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
- 2026-09-24
- descr
- IP-EEND BV
- remarks
- For security/abuse issues: / contact <abuse@as1101.net>
- maintainer
- RIPE-NCC-LEGACY-MNT|AS1101-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.
- VPN IP110.00%
- None here
- None here
- None here
- 0.00%
- None here
- Hosting IP8,4480.48%
- None here
- None here
- None here
- SSH IP4,4540.25%
- SMTP IP2,3150.13%
- 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 |
|---|---|---|---|---|
| 44.137.0.0/16 | The Netherlands | not found | 19 | 2026-10-02 |
| 145.99.0.0/16 | The Netherlands | valid | 19 | 2026-10-02 |
| 145.102.4.0/23 | The Netherlands | valid | 17 | 2026-10-02 |
| 145.192.0.0/12 | The Netherlands | valid | 18 | 2026-10-02 |
| 145.208.0.0/13 | The Netherlands | valid | 18 | 2026-10-02 |
| 145.220.0.0/16 | The Netherlands | valid | 19 | 2026-10-02 |
| 185.17.73.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 185.100.59.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.12.54.0/24 | The Netherlands | not found | 19 | 2026-10-02 |
| 192.16.200.0/24 | The Netherlands | not found | 19 | 2026-10-02 |
| 192.42.117.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.42.118.0/23 | The Netherlands | not found | 19 | 2026-10-02 |
| 192.42.118.0/24 | The Netherlands | not found | 7 | 2026-10-02 |
| 192.42.119.0/24 | The Netherlands | not found | 7 | 2026-10-02 |
| 192.42.128.0/22 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.150.94.0/24 | The Netherlands | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:67c:6ec::/48 | The Netherlands | valid | 20 | 2026-10-02 |
| 2001:67c:12d8::/48 | The Netherlands | valid | 20 | 2026-10-02 |
| 2a04:601::/32 | The Netherlands | valid | 20 | 2026-10-02 |
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