Autonomous System details

AS1101

SURF B.V. — surfcert.nl

Summary

Country
NL Netherlands
Organization SURF B.V.
Domain surfcert.nl
Number of IPv4 1,904,128
Number of IPv6 2.4179× 1024
AS Type Education
Registry RIPE NCC
Allocated August 21, 2002 (about 22 years ago)
Updated December 20, 2024 (about 25 days ago)

IP Ranges

AS1101 announces 13 IPv4 ranges and 2 IPv6 ranges.

That's a total of 1,904,128 IPv4 addresses and 2.4179× 1024 IPv6 addresses.

Prefix Organization Size Registry Status
44.137.0.0/16
US Amateur Radio Digital Communications
65,536 ARIN ALLOCATION
145.99.0.0/16
NL COOL-DOWN-i
65,536 RIPE NCC LEGACY
145.102.4.0/23
NL Onweer Service Provider
512 RIPE NCC LEGACY
145.192.0.0/12
NL SURF B.V.
1,048,576 RIPE NCC LEGACY
145.208.0.0/13
NL SURF B.V.
524,288 RIPE NCC LEGACY
145.216.0.0/15
NL SURF B.V.
131,072 RIPE NCC LEGACY
145.220.0.0/16
NL SURF B.V.
65,536 RIPE NCC LEGACY
185.100.59.0/24
NL NL-DARKNESS-REIGNS-EFNET
256 RIPE NCC ASSIGNED PA
192.12.54.0/24
NL IP-EEND-192-12-54
256 RIPE NCC LEGACY
192.16.200.0/24
NL Surfnet BV
256 RIPE NCC LEGACY
192.42.116.0/22
NL Hart Voor Internetvrijheid
1,024 RIPE NCC LEGACY
192.42.128.0/22
NL Surfnet BV
1,024 RIPE NCC LEGACY
192.150.94.0/24
NL IP-EEND-192-150-94
256 RIPE NCC LEGACY
Prefix Organization Size Registry Status
2001:67c:6ec::/48
NL SURF B.V.
1.2089× 1024 RIPE NCC ASSIGNED PI
2001:67c:12d8::/48
NL Darkness Reigns (holding) B.V.
1.2089× 1024 RIPE NCC ASSIGNED PI

Upstreams

There are 1 upstream for AS1101:

AS1103

Downstreams

There are 2 downstreams for AS1101:

AS1102 AS214380

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