FIRST SERVER LIMITED
Cluster stats
Netblocks636
All fragments 1,689 blocks across 341 clusters
Cluster ID191607114
RegistryAFRINIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 46 shared RIR contact/maintainer handles
Registry names 18 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (636)

showing 50 of 636 — see all⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
45.9.72.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.9.73.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.9.75.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.43.88.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.43.90.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.86.47.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.89.65.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.90.216.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.90.217.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.90.218.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.90.219.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.95.202.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.95.203.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.132.255.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.134.12.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.134.14.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.138.73.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.138.74.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.142.122.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.144.64.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.144.65.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.144.66.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
45.144.67.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.8.96.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.8.120.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.8.122.0/23 FIRST SERVER, SOCIEDAD LIMITADA BGP ANNOUNCED ● high
46.8.126.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.8.178.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.8.179.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.8.180.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.8.182.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.8.218.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.17.104.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.17.105.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
46.17.107.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
80.76.32.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
80.76.34.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
83.147.194.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
83.147.232.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
83.147.234.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
83.147.240.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
83.147.242.0/23 FIRST SERVER, SOCIEDAD LIMITADA BGP ANNOUNCED ● high
84.252.73.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
84.252.74.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
84.252.75.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
85.209.2.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
87.239.250.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
87.239.251.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high
89.44.84.0/23 FIRST SERVER LIMITED BGP ANNOUNCED ● high
89.44.86.0/24 FIRST SERVER LIMITED BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: A how networks compare →
97.0% of checked blocks have valid RPKI ROA coverage (617 of 636)
Wholesale/transit re-announcements (21)

These blocks are registered to FIRST SERVER LIMITED but cryptographically authorized across 6 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.

2a00:2381:11ab::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2b8b::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:c3b2::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a0b:8047:ffff::/48 /48 authorized for AS209641 — IHOR HOSTING LTD
2a0c:5d00:3011::/48 /48 authorized for AS197703 — IP MARKET - FZCO
2a00:e462:ffff::/48 /48 authorized for AS23532 — IOVZ NETWORKS INC
2a03:f7c4:ffff::/48 /48 authorized for AS51722 — PIXOOF TEKNOLOJI ANONIM SIRKETI
2a0c:5c5:ffff::/48 /48 authorized for AS51722 — PIXOOF TEKNOLOJI ANONIM SIRKETI
2a0c:6983:ffff::/48 /48 authorized for AS23532 — IOVZ NETWORKS INC
2a13:97c7:ffff::/48 /48 authorized for AS23532 — IOVZ NETWORKS INC
2a00:e462:ffff::/48 /48 authorized for AS23532 — IOVZ NETWORKS INC
2a00:2381:fa4c:100::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:11ab:100::/56 /56 authorized for AS2856 — British Telecommunications PLC
132.243.30.0/23 /23 authorized for AS197703 — IP MARKET - FZCO
46.8.124.0/23 /23 authorized for AS197703 — IP MARKET - FZCO
+6 more — see the REST API

NIC Handles

AK1137-AP AS1849-MNT AS199685 AS200740 AS204154 AS204339 AS204997 AS205090 AS2068-AP AS214602 AS35196 AS50113 +34 more