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AS5432 PROXIMUS-ISP-AS Proximus NV

PROXIMUS-ISP-AS Proximus NV · registered in Belgium

IPv4 addresses3,917,05638 prefixes · 0.125% of announced IPv4
Rank in Belgium#1largest network in BE by IPv4 space, of 273 · 37.87% of BE
Rank worldwide#126of 79,396 networks with IPv4
IPv680 x /32 (5,242,880 x /48)3 prefixes
CountryBelgium294 ASNs registered there
Open AS5432 in ASN lookup Look up an IP in this network (23.61.4.1) All networks in Belgium

IPv4 prefixes

All 38 prefixes, in address order.

  • 23.61.4.0/22
  • 37.62.0.0/16
  • 37.184.0.0/15
  • 46.178.0.0/15
  • 62.4.128.0/17
  • 62.235.0.0/16
  • 80.200.0.0/15
  • 80.236.128.0/17
  • 81.11.128.0/17
  • 81.169.0.0/17
  • 81.240.0.0/13
  • 83.134.0.0/16
  • 87.64.0.0/14
  • 88.197.128.0/17
  • 91.176.0.0/13
  • 92.48.128.0/18
  • 109.128.0.0/12
  • 178.144.0.0/15
  • 188.5.0.0/16
  • 193.74.0.0/16
  • 193.75.128.0/17
  • 193.91.96.0/19
  • 193.121.0.0/16
  • 194.78.0.0/16
  • 194.119.224.0/19
  • 195.0.0.0/17
  • 195.13.0.0/19
  • 195.74.192.0/19
  • 195.95.0.0/17
  • 195.207.0.0/16
  • 195.238.0.0/19
  • 212.233.0.0/19
  • 212.239.128.0/17
  • 213.49.0.0/16
  • 213.137.157.0/24
  • 213.177.128.0/19
  • 213.181.32.0/19
  • 217.136.0.0/16

IPv6 prefixes

All 3 prefixes.

  • 2a02:a000::/26
  • 2a04:6c40::/29
  • 2a04:9f80::/29

Similar-sized networks in Belgium

ASNNameIPv4 addresses
AS6848#2 TELENET-AS Telenet BV2,305,280
AS47377#3 Orange_Belgium_SA Orange Belgium SA898,048
AS2611#4 BELNET BELNET866,048

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources