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조직

SURF B.V.

IPv4 주소
9,540,864
CIDR 범위
156
카테고리
enterprise
BGP prefixes announced
141

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About SURFnet

SURF is an organization that develops, implements and maintains the national research and education network (NREN) of the Netherlands. It operates the national research network formally called SURFnet.

Founded
1989
Headquarters
Utrecht
Parent
SURF (Samenwerkende Universitaire Rekenfaciliteiten)

Operates 3 networks present at 5 internet exchanges with a open peering policy.

SURF B.V. — 전 세계 IP 발자취

도시 위치 SURF B.V. 측정 가능한 IPv4 할당을 가지고 있습니다. 점을 클릭하여 해당 도시 페이지를 엽니다. 크기와 색상은 IP 수에 따라 달라집니다.

SURF B.V.이(가) 서비스를 제공하는 국가

이 조직이 IPv4 할당을 보유한 모든 국가, 보유 IP 수 기준 순위.

SURF B.V.이(가) 소유한 ASN

ASN이름IP프리픽스국가
AS1103 SURF B.V. 7.20M 120 NL
AS1101 SURF B.V. 1.90M 15 NL
AS1199 SURF B.V. 590.8K 3 NL
AS1128 SURF B.V. 196.6K 3 NL
AS1161 SURF B.V. 69.6K 2 NL
AS1133 SURF B.V. 65.5K 1 NL
AS1147 SURF B.V. 34.8K 2 NL
AS1145 SURF B.V. 4.1K 1 NL
AS1152 SURF B.V. 2.6K 2 NL
AS1102 SURF B.V. 1.3K 4 NL
AS1149 SURF B.V. 1.0K 3 NL

가장 큰 CIDR 범위

CIDRIPPTR DensityASN국가StateCity
145.144.0.0/12 1.05M
86.5%
AS1103 NL Gelderland Wehl
145.160.0.0/12 1.05M
0.0%
AS1103 NL
145.192.0.0/12 1.05M
99.8%
AS1101 NL
145.144.0.0/13 524.3K
73.1%
AS1103 NL Gelderland Wehl
145.152.0.0/13 524.3K
100.0%
AS1199 NL
145.208.0.0/13 524.3K
97.7%
AS1101 NL
145.88.0.0/14 262.1K
18.5%
AS1103 NL South Holland Leiden
145.120.0.0/14 262.1K
50.0%
AS1103 NL Gelderland Barneveld
145.140.0.0/14 262.1K
75.0%
AS1103 NL South Holland Rotterdam
145.148.0.0/14 262.1K
0.0%
AS1103 NL
145.2.0.0/15 131.1K
25.2%
AS1103 NL Overijssel Deventer
145.28.0.0/15 131.1K
10.8%
AS1103 NL North Holland Spierdijk
145.38.0.0/15 131.1K
1.3%
AS1103 NL
145.48.0.0/15 131.1K
0.0%
AS1103 NL North Brabant Oosterhout
145.74.0.0/15 131.1K
14.7%
AS1103 NL Gelderland Nijmegen
145.92.0.0/15 131.1K
0.0%
AS1103 NL North Brabant Eindhoven
145.124.0.0/15 131.1K
0.2%
AS1103 NL
145.136.0.0/15 131.1K
57.9%
AS1103 NL South Holland Rotterdam
145.216.0.0/15 131.1K
95.3%
AS1101 NL
44.137.0.0/16 65.5K
6.2%
AS1101 US
129.125.0.0/16 65.5K
32.7%
AS1103 NL Groningen Groningen
130.37.0.0/16 65.5K
14.0%
AS1103 NL North Holland Amsterdam
130.89.0.0/16 65.5K
20.3%
AS1133 NL Overijssel Enschede
130.161.0.0/16 65.5K
2.0%
AS1128 NL
131.155.0.0/16 65.5K
44.1%
AS1161 NL North Brabant Eindhoven
131.174.0.0/16 65.5K
5.4%
AS1103 NL Gelderland Wijchen
131.180.0.0/16 65.5K
3.5%
AS1128 NL South Holland Delft
131.211.0.0/16 65.5K
19.6%
AS1103 NL Utrecht Utrecht
131.224.0.0/16 65.5K
0.8%
AS1103 NL Utrecht De Bilt
132.229.0.0/16 65.5K
10.2%
AS1103 NL South Holland Leiden
134.221.0.0/16 65.5K
3.2%
AS1103 NL
136.231.0.0/16 65.5K
11.8%
AS1103 NL South Holland Delft
137.56.0.0/16 65.5K
48.7%
AS1103 NL North Brabant Tilburg
137.120.0.0/16 65.5K
1.8%
AS1103 NL Limburg Maastricht
137.224.0.0/16 65.5K
0.8%
AS1103 NL Gelderland Wageningen
139.63.0.0/16 65.5K
11.2%
AS1103 NL South Holland Delft
141.252.0.0/16 65.5K
0.1%
AS1103 NL Friesland Leeuwarden
143.121.0.0/16 65.5K
1.2%
AS1103 NL Utrecht Utrecht
145.0.0.0/16 65.5K
0.4%
AS1103 NL North Holland Amsterdam
145.5.0.0/16 65.5K
28.1%
AS1103 NL South Holland Rotterdam
145.9.0.0/16 65.5K
0.0%
AS1103 NL
145.19.0.0/16 65.5K
29.1%
AS1103 NL Zeeland Flushing
145.20.0.0/16 65.5K
5.1%
AS1103 NL
145.23.0.0/16 65.5K
0.1%
AS1103 NL Utrecht Bilthoven
145.24.0.0/16 65.5K
18.4%
AS1103 NL North Holland Egmond aan den Hoef
145.33.0.0/16 65.5K
0.2%
AS1103 NL Groningen Hoogezand
145.37.0.0/16 65.5K
0.0%
AS1103 NL Groningen Groningen
145.41.0.0/16 65.5K
0.0%
AS1103 NL
145.44.0.0/16 65.5K
38.7%
AS1103 NL Overijssel Ommen
145.51.0.0/16 65.5K
0.6%
AS1103 NL
145.52.0.0/16 65.5K
1.8%
AS1103 NL South Holland The Hague
145.76.0.0/16 65.5K
0.1%
AS1103 NL Overijssel Hengelo
145.81.0.0/16 65.5K
61.1%
AS1103 NL North Holland Amsterdam
145.85.0.0/16 65.5K
0.2%
AS1103 NL North Brabant Eindhoven
145.94.0.0/16 65.5K
0.8%
AS1128 NL South Holland Delft
145.95.0.0/16 65.5K
0.0%
AS1103 NL
145.96.0.0/16 65.5K
98.5%
AS1103 NL
145.99.0.0/16 65.5K
0.0%
AS1101 NL
145.101.0.0/16 65.5K
66.1%
AS1103 NL North Brabant Breda
145.103.0.0/16 65.5K
100.0%
AS1103 NL South Holland The Hague
145.108.0.0/16 65.5K
89.8%
AS1103 NL North Holland Amstelveen
145.111.0.0/16 65.5K
0.0%
AS1199 NL
145.117.0.0/16 65.5K
100.0%
AS1103 NL North Holland Amsterdam
145.118.0.0/16 65.5K
49.9%
AS1103 NL South Holland Leiden
145.126.0.0/16 65.5K
45.0%
AS1103 NL Overijssel Enschede
145.138.0.0/16 65.5K
74.6%
AS1103 NL Overijssel Raalte
145.144.0.0/16 65.5K
0.0%
AS1103 NL Gelderland Wehl
145.147.0.0/16 65.5K
0.0%
AS1103 NL
145.220.0.0/16 65.5K
91.4%
AS1101 NL
156.83.0.0/16 65.5K
1.5%
AS1103 NL South Holland Rotterdam
192.87.0.0/16 65.5K
49.8%
AS1103 NL North Holland Amsterdam
194.171.0.0/16 65.5K
0.0%
AS1103 NL Utrecht Utrecht
195.169.0.0/16 65.5K
25.4%
AS1103 NL Utrecht Amersfoort
145.1.0.0/17 32.8K
0.0%
AS1103 NL North Holland Den Hoorn
145.97.128.0/17 32.8K
96.0%
AS1103 NL Groningen Groningen
145.98.128.0/17 32.8K
100.0%
AS1103 NL
145.100.128.0/17 32.8K
45.4%
AS1103 NL Limburg Venlo
145.107.128.0/17 32.8K
0.4%
AS1103 NL Utrecht Utrecht
145.127.0.0/17 32.8K
100.0%
AS1103 NL Limburg Maastricht
145.127.128.0/17 32.8K
97.1%
AS1147 NL Friesland Heerenveen
145.145.0.0/17 32.8K
0.0%
AS1103 NL
145.146.128.0/17 32.8K
0.0%
AS1103 NL
194.171.128.0/17 32.8K
50.2%
AS1103 NL Utrecht Utrecht
145.97.64.0/18 16.4K
74.9%
AS1103 NL Overijssel Saasveld
145.98.64.0/18 16.4K
0.3%
AS1103 NL
145.100.0.0/18 16.4K
14.1%
AS1103 NL North Holland Amsterdam
145.102.64.0/18 16.4K
64.1%
AS1103 NL North Holland Amsterdam
145.102.192.0/18 16.4K
37.5%
AS1103 NL Gelderland Nijmegen
145.107.64.0/18 16.4K
0.0%
AS1103 NL Utrecht Utrecht
145.116.64.0/18 16.4K
0.0%
AS1103 NL South Holland The Hague
145.116.128.0/18 16.4K
0.0%
AS1103 NL Gelderland Nijmegen
145.145.192.0/18 16.4K
0.0%
AS1103 NL
145.146.64.0/18 16.4K
0.0%
AS1103 NL
194.171.0.0/18 16.4K
42.7%
AS1103 NL North Holland Amsterdam
145.97.0.0/19 8.2K
31.3%
AS1103 NL Gelderland Nijmegen
145.98.32.0/19 8.2K
100.0%
AS1103 NL
145.100.64.0/19 8.2K
25.0%
AS1103 NL North Holland Amsterdam
145.102.32.0/19 8.2K
0.5%
AS1103 NL South Holland Leiden
145.102.160.0/19 8.2K
0.4%
AS1103 NL North Holland Beverwijk
145.107.32.0/19 8.2K
25.2%
AS1103 NL Limburg Horst aan de Maas Municipality

Frequently Asked Questions

SURF B.V.은(는) 몇 개의 IP 주소를 소유합니까?

SURF B.V.은(는) 156개의 CIDR 범위에 걸쳐 9.54M개의 IPv4 주소를 제어합니다. 이 조직은 The Netherlands에 등록되어 있습니다.

SURF B.V.은(는) 어떤 AS를 운영합니까?

SURF B.V.은(는) 11개의 자율 시스템을 운영합니다. 각 ASN은 SURF B.V.이 인터넷 트래픽 전달을 위해 관리하는 독립적으로 라우팅되는 네트워크를 나타냅니다.

SURF B.V.은(는) 어떤 유형의 조직입니까?

SURF B.V. is categorized as enterprise. 이 분류는 조직의 IP 주소 할당의 주요 사용을 기반으로 합니다.

최종 업데이트: 2026-07-24 10:10:32 UTC
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