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AS39122 BLACKNIGHT-AS Blacknight Internet Solutions Limited

BLACKNIGHT-AS Blacknight Internet Solutions Limited · registered in Ireland

IPv4 addresses24,57631 prefixes · <0.001% of announced IPv4
Rank in Ireland#15largest network in IE by IPv4 space, of 197 · 0.46% of IE
Rank worldwide#5,472of 79,396 networks with IPv4
IPv611 x /32 (720,897 x /48)5 prefixes
CountryIreland209 ASNs registered there
Open AS39122 in ASN lookup Look up an IP in this network (46.22.128.1) All networks in Ireland

IPv4 prefixes

All 31 prefixes, in address order.

  • 46.22.128.0/20
  • 64.96.3.0/24
  • 64.255.40.0/24
  • 69.5.186.0/24
  • 78.153.192.0/21
  • 78.153.200.0/23
  • 78.153.202.0/24
  • 78.153.203.0/24
  • 78.153.204.0/22
  • 78.153.208.0/22
  • 78.153.212.0/24
  • 78.153.213.0/24
  • 78.153.214.0/23
  • 78.153.216.0/21
  • 81.17.240.0/23
  • 81.17.242.0/24
  • 81.17.243.0/24
  • 81.17.244.0/22
  • 81.17.248.0/21
  • 91.197.234.0/23
  • 176.52.222.0/23
  • 185.2.64.0/22
  • 185.17.238.0/23
  • 185.94.44.0/23
  • 185.173.167.0/24
  • 185.204.136.0/24
  • 185.209.164.0/22
  • 193.36.43.0/24
  • 193.203.126.0/24
  • 194.9.222.0/24
  • 200.69.8.0/21

IPv6 prefixes

All 5 prefixes.

  • 2620:57:4003::/48
  • 2a01:a8::/32
  • 2a01:aa::/32
  • 2a03:dd41::/32
  • 2a0d:1f00::/29

Similar-sized networks in Ireland

ASNNameIPv4 addresses
AS16171#12 STRENCOM Fulnett Limited26,624
AS211439#13 locotorpi Jurgita Jurgaitiene trading as LOCOTORPI25,856
AS15751#14 METEORMOBILECOMMS-AS Eircom Limited24,832
AS8918#16 CARRIER1-AS Coolwave Communications Limited24,320
AS15612#17 SERVECENTRIC ServeCentric Ltd.23,552
AS207044#18 ENET-AS Enet Telecommunications Networks Limited21,760

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