AS1103
SURF B.V. — surfcert.nl
Summary
| Country |
|
| Organization | SURF B.V. |
| Domain | surfcert.nl |
| Number of IPv4 | 8,083,968 |
| Number of IPv6 | 6.3383× 1029 |
| AS Type | Education |
| Registry | RIPE NCC |
| Allocated | September 23, 2002 (about 23 years ago) |
| Updated | April 30, 2025 (about 5 months ago) |
IP Ranges
AS1103 announces 109 IPv4 ranges and 3 IPv6 ranges.
That's a total of 8,083,968 IPv4 addresses and 6.3383× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 129.125.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 130.37.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 130.115.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 131.174.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 131.211.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 131.224.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 132.229.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 134.203.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 134.221.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 136.231.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 137.56.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 137.120.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 137.224.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 139.63.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 141.252.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 143.121.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.0.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.1.0.0/17 |
|
32,768 | RIPE NCC | LEGACY |
| 145.2.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.5.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.9.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.19.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.20.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.23.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.24.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.28.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.33.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.37.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.38.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.41.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.44.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.48.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.51.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.52.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.67.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.74.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.76.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.81.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.85.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.88.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.90.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.91.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.92.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.95.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.96.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.97.0.0/20 |
|
4,096 | RIPE NCC | LEGACY |
| 145.97.16.0/22 |
|
1,024 | RIPE NCC | LEGACY |
| 145.97.20.0/22 |
|
1,024 | RIPE NCC | LEGACY |
| 145.97.24.0/21 |
|
2,048 | RIPE NCC | LEGACY |
| 145.97.48.0/20 |
|
4,096 | RIPE NCC | LEGACY |
| 145.97.64.0/18 |
|
16,384 | RIPE NCC | LEGACY |
| 145.97.128.0/18 |
|
16,384 | RIPE NCC | LEGACY |
| 145.97.192.0/18 |
|
16,384 | RIPE NCC | LEGACY |
| 145.98.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.98.16.0/24 |
|
256 | RIPE NCC | LEGACY |
| 145.100.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.102.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.103.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.107.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.107.24.0/22 |
|
1,024 | RIPE NCC | LEGACY |
| 145.108.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.116.0.0/20 |
|
4,096 | RIPE NCC | LEGACY |
| 145.116.16.0/21 |
|
2,048 | RIPE NCC | LEGACY |
| 145.116.24.0/21 |
|
2,048 | RIPE NCC | LEGACY |
| 145.116.64.0/18 |
|
16,384 | RIPE NCC | LEGACY |
| 145.116.128.0/18 |
|
16,384 | RIPE NCC | LEGACY |
| 145.116.192.0/20 |
|
4,096 | RIPE NCC | LEGACY |
| 145.116.224.0/19 |
|
8,192 | RIPE NCC | LEGACY |
| 145.117.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.118.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.120.0.0/14 |
|
262,144 | RIPE NCC | LEGACY |
| 145.124.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.126.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.127.0.0/17 |
|
32,768 | RIPE NCC | LEGACY |
| 145.134.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.136.0.0/13 |
|
524,288 | RIPE NCC | LEGACY |
| 145.136.0.0/15 |
|
131,072 | RIPE NCC | LEGACY |
| 145.137.128.0/18 |
|
16,384 | RIPE NCC | LEGACY |
| 145.138.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 145.140.0.0/14 |
|
262,144 | RIPE NCC | LEGACY |
| 145.144.0.0/12 |
|
1,048,576 | RIPE NCC | LEGACY |
| 145.160.0.0/12 |
|
1,048,576 | RIPE NCC | LEGACY |
| 156.83.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 192.16.188.0/23 |
|
512 | RIPE NCC | LEGACY |
| 192.31.231.0/24 |
|
256 | RIPE NCC | LEGACY |
| 192.33.36.0/24 |
|
256 | RIPE NCC | LEGACY |
| 192.42.113.0/24 |
|
256 | RIPE NCC | LEGACY |
| 192.42.114.0/23 |
|
512 | RIPE NCC | LEGACY |
| 192.42.120.0/22 |
|
1,024 | RIPE NCC | LEGACY |
| 192.42.124.0/22 |
|
1,024 | RIPE NCC | LEGACY |
| 192.43.212.0/24 |
|
256 | RIPE NCC | LEGACY |
| 192.87.0.0/16 |
|
65,536 | RIPE NCC | LEGACY |
| 192.104.140.0/24 |
|
256 | RIPE NCC | LEGACY |
| 193.176.235.0/24 |
|
256 | RIPE NCC | ASSIGNED PI |
| 193.177.176.0/22 |
|
1,024 | RIPE NCC | ASSIGNED PI |
| 194.13.16.0/20 |
|
4,096 | RIPE NCC | ASSIGNED PI |
| 194.13.112.0/21 |
|
2,048 | RIPE NCC | ASSIGNED PI |
| 194.26.8.0/22 |
|
1,024 | RIPE NCC | ASSIGNED PI |
| 194.26.12.0/22 |
|
1,024 | RIPE NCC | ASSIGNED PI |
| 194.53.88.0/24 |
|
256 | RIPE NCC | ASSIGNED PI |
| 194.53.88.0/21 |
|
2,048 | RIPE NCC | ASSIGNED PI |
| 194.53.89.0/24 |
|
256 | RIPE NCC | ASSIGNED PI |
| 194.53.92.0/24 |
|
256 | RIPE NCC | ASSIGNED PI |
| 194.53.94.0/24 |
|
256 | RIPE NCC | ASSIGNED PI |
| 194.53.95.0/24 |
|
256 | RIPE NCC | ASSIGNED PI |
| 194.104.124.0/23 |
|
512 | RIPE NCC | ASSIGNED PI |
| 194.104.240.0/20 |
|
4,096 | RIPE NCC | ASSIGNED PI |
| 194.171.0.0/16 |
|
65,536 | RIPE NCC | ASSIGNED PA |
| 195.169.0.0/16 |
|
65,536 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:610::/29 |
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-LIR |
| 2001:67c:1200::/48 |
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:262c::/48 |
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
Peers
AS1103 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS1103 connects to the global Internet via at least 5 upstream providers. In this setup, AS1103 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS1103 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS1103's role in extending Internet access beyond its own infrastructure.