IP Tracker

AS1103

SURF B.V.

NLUnknown2026-09-26

Announced prefixes 110

129.125.0.0/16130.37.0.0/16131.174.0.0/16131.211.0.0/16131.224.0.0/16132.229.0.0/16134.221.0.0/16136.231.0.0/16137.56.0.0/16137.120.0.0/16137.224.0.0/16139.63.0.0/16141.252.0.0/16143.121.0.0/16145.0.0.0/16145.1.0.0/17145.2.0.0/15145.5.0.0/16145.9.0.0/16145.19.0.0/16145.20.0.0/16145.23.0.0/16145.24.0.0/16145.28.0.0/15145.33.0.0/16145.37.0.0/16145.38.0.0/15145.41.0.0/16145.44.0.0/16145.48.0.0/15145.51.0.0/16145.52.0.0/16145.74.0.0/15145.76.0.0/16145.81.0.0/16145.85.0.0/16145.88.0.0/15145.90.0.0/16145.91.0.0/16145.92.0.0/15145.95.0.0/16145.96.0.0/16145.97.0.0/20145.97.16.0/22145.97.20.0/22145.97.24.0/21145.97.48.0/20145.97.64.0/18145.97.128.0/18145.97.192.0/18145.98.0.0/16145.98.16.0/24145.100.0.0/15145.102.0.0/16145.103.0.0/16145.107.0.0/16145.107.24.0/22145.108.0.0/16145.116.64.0/18145.116.128.0/18145.116.192.0/20145.116.224.0/19145.117.0.0/16145.118.0.0/16145.120.0.0/14145.124.0.0/15145.126.0.0/16145.127.0.0/17145.136.0.0/15145.137.128.0/18145.138.0.0/16145.140.0.0/14145.144.0.0/12145.160.0.0/12145.216.0.0/17145.217.0.0/18145.217.64.0/18145.217.128.0/18156.83.0.0/16192.16.188.0/23192.31.231.0/24192.33.36.0/24192.42.113.0/24192.42.114.0/23192.42.120.0/22192.42.124.0/22192.43.212.0/24192.87.0.0/16192.104.140.0/24193.176.235.0/24193.177.176.0/22194.13.112.0/21194.26.8.0/22194.26.12.0/22194.53.88.0/24194.53.89.0/24194.53.92.0/24194.53.94.0/24194.53.95.0/24194.104.124.0/23194.104.240.0/20194.171.0.0/16195.169.0.0/162001:610::/292001:610:168::/482001:610:16a::/482001:610:16b::/482001:610:16c::/482001:67c:1200::/482001:67c:262c::/48

Snapshot history

DateNameCountryClassPrefixes
2026-11-11SURF B.V.NLUnknown103
2026-11-10SURF B.V.NLUnknown103
2026-11-09SURF B.V.NLUnknown103
2026-11-08SURF B.V.NLUnknown103
2026-11-07SURF B.V.NLUnknown103
2026-11-06SURF B.V.NLUnknown103
2026-11-05SURF B.V.NLUnknown103
2026-11-04SURF B.V.NLUnknown103
2026-11-03SURF B.V.NLUnknown103
2026-11-02SURF B.V.NLUnknown103
2026-11-01SURF B.V.NLUnknown103
2026-10-31SURF B.V.NLUnknown103
2026-10-30SURF B.V.NLUnknown103
2026-10-29SURF B.V.NLUnknown103
2026-10-28SURF B.V.NLUnknown103
2026-10-27SURF B.V.NLUnknown103
2026-10-26SURF B.V.NLUnknown102
2026-10-25SURF B.V.NLUnknown102
2026-10-24SURF B.V.NLUnknown102
2026-10-23SURF B.V.NLUnknown102
2026-10-22SURF B.V.NLUnknown102
2026-10-21SURF B.V.NLUnknown102
2026-10-20SURF B.V.NLUnknown103
2026-10-19SURF B.V.NLUnknown103
2026-10-18SURF B.V.NLUnknown103
2026-10-17SURF B.V.NLUnknown103
2026-10-16SURF B.V.NLUnknown103
2026-10-15SURF B.V.NLUnknown103
2026-10-14SURF B.V.NLUnknown103
2026-10-13SURF B.V.NLUnknown103
2026-10-12SURF B.V.NLUnknown103
2026-10-11SURF B.V.NLUnknown103
2026-10-10SURF B.V.NLUnknown103
2026-10-09SURF B.V.NLUnknown103
2026-10-08SURF B.V.NLUnknown103
2026-10-07SURF B.V.NLUnknown103
2026-10-06SURF B.V.NLUnknown103
2026-10-05SURF B.V.NLUnknown103
2026-10-04SURF B.V.NLUnknown103
2026-10-03SURF B.V.NLUnknown103
2026-10-02SURF B.V.NLUnknown102
2026-10-01SURF B.V.NLUnknown102
2026-09-30SURF B.V.NLUnknown102
2026-09-29SURF B.V.NLUnknown102
2026-09-28SURF B.V.NLUnknown102
2026-09-27SURF B.V.NLUnknown102
2026-09-26SURF B.V.NLUnknown110
2026-09-25SURF B.V.NLUnknown112
2026-09-24SURF B.V.NLUnknown112
2026-09-23SURF B.V.NLUnknown112
2026-09-22SURF B.V.NLUnknown102
2026-09-21SURF B.V.NLUnknown102
2026-09-20SURF B.V.NLUnknown102
2026-09-19SURF B.V.NLUnknown102
2026-09-18SURF B.V.NLUnknown102
2026-09-17SURF B.V.NLUnknown102
2026-09-16SURF B.V.NLUnknown102
2026-09-15SURF B.V.NLUnknown102
2026-09-14SURF B.V.NLUnknown102
2026-09-13SURF B.V.NLUnknown102
2026-09-12SURF B.V.NLUnknown102
2026-09-11SURF B.V.NLUnknown102
2026-09-10SURF B.V.NLUnknown102
2026-09-09SURF B.V.NLUnknown102
2026-09-08SURF B.V.NLUnknown102
2026-09-07SURF B.V.NLUnknown102
2026-09-06SURF B.V.NLUnknown102
2026-09-05SURF B.V.NLUnknown102
2026-09-04SURF B.V.NLUnknown102
2026-09-03SURF B.V.NLUnknown102
2026-09-02SURF B.V.NLUnknown102
2026-09-01SURF B.V.NLUnknown102
2026-08-31SURF B.V.NLUnknown102
2026-08-30SURF B.V.NLUnknown102
2026-08-29SURF B.V.NLUnknown102
2026-08-28SURF B.V.NLUnknown102
2026-08-27SURF B.V.NLUnknown102
2026-08-26SURF B.V.NLUnknown102
2026-08-25SURF B.V.NLUnknown102
2026-08-24SURF B.V.NLUnknown102
2026-08-23SURF B.V.NLUnknown102
2026-08-22SURF B.V.NLUnknown102
2026-08-21SURF B.V.NLUnknown102
2026-08-20SURF B.V.NLUnknown102
2026-08-19SURF B.V.NLUnknown102
2026-08-18SURF B.V.NLUnknown102
2026-08-17SURF B.V.NLUnknown102
2026-08-16SURF B.V.NLUnknown102
2026-08-15SURF B.V.NLUnknown102
2026-08-14SURF B.V.NLUnknown102
2026-08-13SURF B.V.NLUnknown102
2026-08-12SURF B.V.NLUnknown103
2026-08-11SURF B.V.NLUnknown103
2026-08-10SURF B.V.NLUnknown103
2026-08-09SURF B.V.NLUnknown103
2026-08-08SURF B.V.NLUnknown103
2026-08-07SURF B.V.NLUnknown103
2026-08-06SURF B.V.NLUnknown103
2026-08-05SURF B.V.NLUnknown103
2026-08-04SURF B.V.NLUnknown103
2026-08-03SURF B.V.NLUnknown103
2026-08-02SURF B.V.NLUnknown103
2026-08-01SURF B.V.NLUnknown103
2026-07-31SURF B.V.NLUnknown103
2026-07-30SURF B.V.NLUnknown103
2026-07-29SURF B.V.NLUnknown103
2026-07-28SURF B.V.NLUnknown103
2026-07-27SURF B.V.NLUnknown103
2026-07-26SURF B.V.NLUnknown103
2026-07-25SURF B.V.NLUnknown103
2026-07-24SURF B.V.NLUnknown103
2026-07-23SURF B.V.NLUnknown103
2026-07-22SURF B.V.NLUnknown103
2026-07-21SURF B.V.NLUnknown103
2026-07-20SURF B.V.NLUnknown103
2026-07-19SURF B.V.NLUnknown103
2026-07-18SURF B.V.NLUnknown103
2026-07-17SURF B.V.NLUnknown103
2026-07-16SURF B.V.NLUnknown103
2026-07-15SURF B.V.NLUnknown103
2026-07-14SURF B.V.NLUnknown103
2026-07-13SURF B.V.NLUnknown103
2026-07-12SURF B.V.NLUnknown103
2026-07-11SURF B.V.NLUnknown103
2026-07-10SURF B.V.NLUnknown103
2026-07-09SURF B.V.NLUnknown103
2026-07-08SURF B.V.NLUnknown103
2026-07-07SURF B.V.NLUnknown103
2026-07-06SURF B.V.NLUnknown103
2026-07-05SURF B.V.NLUnknown103
2026-07-04SURF B.V.NLUnknown103
2026-07-03SURF B.V.NLUnknown103
2026-07-02SURF B.V.NLUnknown103
2026-07-01SURF B.V.NLUnknown103
2026-06-30SURF B.V.NLUnknown103
2026-06-29SURF B.V.NLUnknown103
2026-06-28SURF B.V.NLUnknown103
2026-06-27SURF B.V.NLUnknown103
2026-06-26SURF B.V.NLUnknown103
2026-06-25SURF B.V.NLUnknown103
2026-06-24SURF B.V.NLUnknown103
2026-06-23SURF B.V.NLUnknown103
2026-06-22SURF B.V.NLUnknown103
2026-06-21SURF B.V.NLUnknown103
2026-06-20SURF B.V.NLUnknown103
2026-06-19SURF B.V.NLUnknown103
2026-06-18SURF B.V.NLUnknown103
2026-06-17SURF B.V.NLUnknown103
2026-06-16SURF B.V.NLUnknown103
2026-06-15SURF B.V.NLUnknown103
2026-06-14SURF B.V.NLUnknown103
2026-06-13SURF B.V.NLUnknown103

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-10-272001:678:1334::/48AcquiredAS1653AS1103, AS1653
2026-10-212001:610:5ea::/48ReleasedAS1103—
2026-10-032001:610:5ea::/48AcquiredAS1199AS1103
2026-09-27145.216.0.0/17ReleasedAS1103—
2026-09-27145.217.0.0/18ReleasedAS1103—
2026-09-27145.217.64.0/18ReleasedAS1103—
2026-09-27145.217.128.0/18ReleasedAS1103—
2026-09-272001:610:168::/48ReleasedAS1103—
2026-09-272001:610:16a::/48ReleasedAS1103—
2026-09-272001:610:16b::/48ReleasedAS1103—
2026-09-272001:610:16c::/48ReleasedAS1103—
2026-09-26145.216.128.0/17ReleasedAS1103—
2026-09-262001:610:169::/48ReleasedAS1103—
2026-09-23145.216.0.0/17Acquired—AS1103
2026-09-23145.216.128.0/17Acquired—AS1103
2026-09-23145.217.0.0/18Acquired—AS1103
2026-09-23145.217.64.0/18Acquired—AS1103
2026-09-23145.217.128.0/18Acquired—AS1103
2026-09-232001:610:168::/48Acquired—AS1103
2026-09-232001:610:169::/48Acquired—AS1103
2026-09-232001:610:16a::/48Acquired—AS1103
2026-09-232001:610:16b::/48Acquired—AS1103
2026-09-232001:610:16c::/48Acquired—AS1103
2026-08-13194.13.16.0/20ReleasedAS1103—
Changes page 1