AS50077 SYN-NL SYN LTD

SYN-NL SYN LTD · registered in the United Kingdom

IPv4 addresses11,77611 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#266largest network in GB by IPv4 space, of 2,074 · 0.02% of GB

Rank worldwide#8,401of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited Kingdom2,261 ASNs registered there

Open AS50077 in ASN lookup Look up an IP in this network (43.239.88.1) All networks in United Kingdom

IPv4 prefixes

All 11 prefixes, in address order.

43.239.88.0/22
91.210.64.0/22
103.206.232.0/22
107.181.156.0/22
155.254.40.0/21
155.254.50.0/23
155.254.52.0/22
155.254.56.0/22
185.135.212.0/22
198.105.96.0/22
198.105.104.0/22

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

AS33941#263 GCONNECT GConnect Technology Ltd11,776

AS42004#264 ULGRP-AS VOIP-UN LIMITED11,776

AS43545#265 TELEDATA Datum Datacentres Limited11,776

AS51713#267 WHG-LON WHG Hosting Services Ltd11,776

AS39522#268 CONVERGED Converged Communication Solutions Limited11,520

AS201002#269 PebbleHost-Customers PebbleHost Ltd11,520

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