AS8916 PORTFAST Portfast Ltd

PORTFAST Portfast Ltd · registered in the United Kingdom

IPv4 addresses8,7045 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#317largest network in GB by IPv4 space, of 2,074 · 0.01% of GB

Rank worldwide#9,837of 79,396 networks with IPv4

IPv68 x /32 (524,289 x /48)2 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS8916 in ASN lookup Look up an IP in this network (130.193.30.1) All networks in United Kingdom

IPv4 prefixes

All 5 prefixes, in address order.

130.193.30.0/24
188.246.192.0/20
188.246.216.0/21
193.108.199.0/24
213.5.88.0/21

IPv6 prefixes

All 2 prefixes.

2001:67c:1b8::/48
2a03:9800::/29

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

AS50889#314 GFN-EMEA NVIDIA Ltd8,960

AS198550#315 nodehost-as NODE HOST LIMITED8,960

AS41000#316 Freethought-AS Freethought Internet Limited8,704

AS205975#318 connect-fibre Fibre Assets Ltd8,704

AS8676#319 PRTSYSTEMS PRT Systems Limited8,704

AS12775#320 JPCINET JPC Infonet Ltd8,704

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