AS43927 HOSTERION HOSTERION SRL

HOSTERION HOSTERION SRL · registered in Romania

IPv4 addresses12,28812 prefixes · <0.001% of announced IPv4

Rank in Romania#28largest network in RO by IPv4 space, of 900 · 0.15% of RO

Rank worldwide#8,177of 79,396 networks with IPv4

IPv69 x /487 prefixes

CountryRomania917 ASNs registered there

Open AS43927 in ASN lookup Look up an IP in this network (77.81.240.1) All networks in Romania

IPv4 prefixes

All 12 prefixes, in address order.

77.81.240.0/21
89.32.144.0/21
89.33.197.0/24
91.188.224.0/22
92.114.98.0/24
93.113.174.0/24
185.105.32.0/22
185.125.108.0/22
185.199.172.0/22
185.250.104.0/22
188.240.47.0/24
188.241.112.0/21

IPv6 prefixes

All 7 prefixes.

2a06:cd40:1::/48
2a06:cd40:2::/47
2a06:cd40:4::/48
2a06:cd40:100::/48
2a06:cd40:200::/48
2a06:cd40:300::/47
2a06:cd40:400::/48

Similar-sized networks in Romania

ASNNameIPv4 addresses

AS44043#25 Cyber_Folks-RO-DC_CLJ Cyber_Folks SRL16,384

AS48955#26 IRM-AS Internet Resources Management SRL15,872

AS205275#27 ROMARG ROMARG SRL15,872

AS202779#29 EVOBITS EVOBITS Information Technology SRL12,032

AS34304#30 TeenTelecom Teen Telecom SRL11,008

AS6718#31 NAV NAV COMMUNICATIONS SRL10,496

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